libstdc++-v3/ChangeLog

   1 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
   2
   3         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
   4         to https.
   5
   6 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
   7
   8         * doc/xml/manual/policy_data_structures_biblio.xml: Update
   9         link to Microsoft Component Model Object Technologies.
  10
  11 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
  12
  13         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
  14         site now uses https. Also omit the unnecessary trailing slash.
  15         * doc/xml/gnu/gpl-3.0.xml: Ditto.
  16
  17 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
  18
  19         * include/debug/functions.h
  20         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
  21         const _InputIter&, __true_type)): Use empty() rather than begin() ==
  22         end().
  23
  24 2018-09-25  Mike Crowe  <mac@mcrowe.com>
  25
  26         * include/std/condition_variable (condition_variable::wait_for): Use
  27         steady clock in overload that uses a predicate.
  28
  29 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
  30
  31         PR libstdc++/87431
  32         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
  33         Avoid runtime test when all alternatives are scalars and so cannot
  34         throw during initialization.
  35
  36 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
  37
  38         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
  39         to https.
  40
  41 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
  42
  43         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
  44         to "Priority Queues and the STL".
  45
  46 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
  47
  48         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
  49         https.
  50
  51 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
  52
  53         PR libstdc++/87135
  54         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
  55         Use __builtin_floor to compute _M_next_resize.
  56         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
  57         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
  58         Adapt.
  59
  60 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
  61
  62         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
  63         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
  64         long double unconditionally, but use lower tolerance when
  65         sizeof(long double) == sizeof(double).
  66
  67 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
  68
  69         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
  70         on arm*.
  71
  72 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
  73
  74         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
  75         Remove __glibcxx_assert statements and use map::find instead of
  76         map::operator[].
  77
  78 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
  79
  80         PR libstdc++/87135
  81         * src/c++11/hashtable_c++0x.cc:
  82         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
  83         requested size, but not necessarily greater.
  84         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
  85         strictly greater than next resize threshold.
  86         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
  87         to validate that there is no rehash as long as number of insertion is
  88         lower or equal to the reserved number of elements.
  89
  90 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
  91
  92         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
  93         checking invocable condition.
  94         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
  95         here, where types must be complete. Pass pointer to deleter as an
  96         rvalue.
  97         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
  98
  99 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
 100
 101         * include/std/variant (variant) [__clang__]: Limit workaround to
 102         Clang 7 and older.
 103
 104 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
 105
 106         PR libstdc++/87278
 107         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
 108         remove_const.
 109         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
 110
 111         Implement LWG 2905 changes to constrain unique_ptr constructors
 112         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
 113         check deleter type.
 114         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
 115         constructible constraint.
 116         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
 117         deleters of reference type and add move constructible constraint.
 118         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
 119         Disable for deleters of non-reference type. Define as deleted.
 120         (unique_ptr<T[], D>): Likewise.
 121         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
 122         directives with unstable line numbers with dg-prune-output.
 123         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
 124         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
 125         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
 126         Make deleter types invocable.
 127
 128 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
 129
 130         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
 131
 132 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
 133
 134         PR libstdc++/78179
 135         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
 136         that runs the long double part of hypot.cc.
 137         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
 138         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
 139
 140         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
 141         Return raw pointer not allocator's pointer type.
 142         (vector::_Temporary_value::_M_val): Use _M_ptr.
 143
 144         PR libstdc++/87194
 145         * include/bits/stl_map.h
 146         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
 147         (map::map(initializer_list<value_type>, const Alloc&))
 148         (map::map(InputIterator, InputIterator, const Alloc&))
 149         (map::map(InputIterator, InputIterator))
 150         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
 151         (map::insert(InputIterator, InputIterator)):
 152         Call _M_insert_range_unique instead of _M_insert_unique.
 153         * include/bits/stl_multimap.h
 154         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
 155         (multimap::multimap(initializer_list<value_type>, const A&))
 156         (multimap::multimap(InputIterator, InputIterator, const A&))
 157         (multimap::multimap(InputIterator, InputIterator))
 158         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
 159         (multimap::insert(InputIterator, InputIterator)): Call
 160         _M_insert_range_equal instead of _M_insert_equal.
 161         * include/bits/stl_multiset.h
 162         (multiset::multiset(InputIterator, InputIterator))
 163         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
 164         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
 165         (multiset::multiset(initializer_list<value_type>, const A&))
 166         (multiset::multiset(InputIterator, InputIterator, const A&))
 167         (multiset::insert(InputIterator, InputIterator)): Call
 168         _M_insert_range_equal instead of _M_insert_equal.
 169         * include/bits/stl_set.h
 170         (set::set(InputIterator, InputIterator))
 171         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
 172         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
 173         (set::set(initializer_list<value_type>, const Alloc&))
 174         (set::set(InputIterator, InputIterator, const Alloc&))
 175         (set::insert(InputIterator, InputIterator)):
 176         Call _M_insert_range_unique instead of _M_insert_unique.
 177         * include/bits/stl_tree.h
 178         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
 179         template for SFINAE constraints.
 180         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
 181         constrained overloads that either insert or emplace, depending on
 182         iterator's value_type.
 183         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
 184         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
 185         (_Rb_tree::_M_insert_range_equal): New functions replacing range
 186         versions of _M_insert_unique and _M_insert_equal.
 187         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
 188         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
 189         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
 190         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
 191         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
 192         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
 193
 194         PR libstdc++/78595
 195         * include/bits/stl_map.h (map::insert(_Pair&&))
 196         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
 197         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
 198         (multimap::insert(const_iterator, _Pair&&)): Likewise.
 199         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
 200         (unordered_map::insert(const_iterator, _Pair&&))
 201         (unordered_multimap::insert(_Pair&&))
 202         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
 203         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
 204         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
 205         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
 206         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
 207         test.
 208
 209 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
 210
 211         * include/debug/safe_iterator.h
 212         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
 213         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
 214         New.
 215         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 216         ::_OtherSelf): New.
 217         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
 218         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
 219         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
 220         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 221         ::operator+(difference_type)): Use latters, inline as friend.
 222         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 223         ::operator-(difference_type)): Likewise.
 224         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 225         Likewise.
 226         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 227         Likewise.
 228         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 229         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 230         Likewise.
 231         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 232         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 233         Likewise.
 234         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 235         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
 236         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
 237         * include/debug/safe_iterator.tcc
 238         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
 239         copy.
 240         * include/debug/safe_local_iterator.h
 241         (_Safe_local_iterator<_It, _Seq>::_Self): New.
 242         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
 243         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
 244         (operator==(const _Safe_local_iterator<>&,
 245         const _Safe_local_iterator<>&)): Use latter, inline as friend.
 246         (operator!=(const _Safe_local_iterator<>&,
 247         const _Safe_local_iterator<>&)): Likewise.
 248         * testsuite/util/testsuite_containers.h: Include utility.
 249         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
 250         parameter.
 251         (forward_members_unordered<>::forward_members_unordered(value_type&)):
 252         Add using namespace std::rel_ops.
 253         Add iterator_concept_checks on local_iterator and const_local_iterator.
 254         Add asserts on comparison between const_local_iterator and
 255         local_iterator.
 256         (struct forward_members_unordered<_Tp, false>): Remove partial
 257         specialization.
 258         * testsuite/23_containers/forward_list/types/1.cc: New.
 259         * testsuite/23_containers/list/types/1.cc: New.
 260
 261 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 262
 263         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
 264         references.
 265
 266 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
 267
 268         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
 269         Add dg-require-fileio.
 270         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
 271         Likewise.
 272         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
 273         Likewise.
 274         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
 275         Likewise.
 276         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
 277         Likewise.
 278         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 279         Likewise.
 280         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
 281         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
 282         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
 283         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
 284         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
 285         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
 286         Likewise.
 287         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
 288         Likewise.
 289         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
 290         Likewise.
 291         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 292         Likewise.
 293         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 294         Likewise.
 295         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 296         Likewise.
 297         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 298         Likewise.
 299         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 300         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 301         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 302         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 303         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 304         Likewise.
 305         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 306         Likewise.
 307         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 308         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 309         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 310         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 311         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 312         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 313         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 314         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 315         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 316         Likewise.
 317         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 318         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 319         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 320         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 321         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 322         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 323         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 324         Likewise.
 325         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 326
 327 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 328
 329         * testsuite/experimental/propagate_const/observers/1.cc: Make
 330         dependence on -fdelete-null-pointer-checks explicit.
 331
 332 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 333
 334         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 335         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 336         of the number of bits in the type.
 337         * include/std/bit (__ceil2): Avoid undefined shifts.
 338         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 339         the most signifiant bit set.
 340
 341         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 342
 343         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 344         pointer arithmetic using long long offsets.
 345         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 346         long long values.
 347
 348 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 349
 350         PR libstdc++/31413
 351         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 352         string for alternative format.
 353
 354 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 355
 356         PR libstdc++/87116
 357         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 358         a dot-dot filename, preserve an empty final component in the iteration
 359         sequence.
 360         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 361         root-directory.
 362         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 363         for more than two adjacent dot-dot filenames.
 364         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 365         preferred-separator in expected normalized strings.
 366
 367 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 368
 369         PR libstdc++/70694
 370         * configure.host (OPT_LDFLAGS): Don't append
 371         -fvisibility-inlines-hidden for newer Darwin.
 372
 373 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 374
 375         PR libstdc++/86822
 376         * libsupc++/new (operator new(size_t, nothrow_t), operator
 377         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 378         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 379
 380 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 381
 382         * include/debug/deque (std::__debug::deque): Declare.
 383         * include/debug/forward_list (std::__debug::forward_list): Declare.
 384         * include/debug/list (std::__debug::list): Declare.
 385         * include/debug/map (std::__debug::map): Declare.
 386         * include/debug/set (std::__debug::set): Declare.
 387         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 388         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 389         * include/debug/vector (std::__debug::vector): Declare.
 390         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 391         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 392         test.
 393         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 394         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 395         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 396         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 397         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 398         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 399         test.
 400         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 401         New test.
 402         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 403         New test.
 404         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 405         test.
 406         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 407         Adjust dg-error lineno.
 408         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 409         test.
 410
 411 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 412
 413         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 414         Only define when RTTI is enabled.
 415
 416         * include/debug/vector (__niter_base): Define for C++98.
 417
 418         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 419         Fix C++98 test to not use C++11 features.
 420         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 421
 422         * scripts/check_compile: Fix comments.
 423
 424         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 425         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 426         begin(), for C++98 compatibility.
 427
 428         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 429         (basic_string::__const_iterator): Change access to protected.
 430         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 431         as typedef for iterator.
 432         * include/debug/string (__const_iterator): Use typedef from base.
 433         (insert(const_iterator, _CharT))
 434         (replace(const_iterator, const_iterator, const basic_string&))
 435         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 436         (replace(const_iterator, const_iterator, const CharT*))
 437         (replace(const_iterator, const_iterator, size_type, _CharT))
 438         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 439         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 440         Change const_iterator parameters to __const_iterator.
 441         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 442         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 443         const_iterator parameter to __const_iterator.
 444         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 445         of base's member function.
 446         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 447         Likewise.
 448         (insert(const_iterator, initializer_list<_CharT>))
 449         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 450         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 451         target directive.
 452
 453         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 454         not use C++14 feature.
 455         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 456
 457         * testsuite/21_strings/basic_string/init-list.cc:
 458         Require cxx11-abi.
 459         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 460         Likewise.
 461         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 462         Likewise.
 463
 464         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 465         C++98 mode.
 466         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 467         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 468         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 469         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 470         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 471
 472 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 473
 474         PR libstdc++/87061
 475         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 476         (experimental::pmr::match_results, experimental::pmr::cmatch)
 477         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 478         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 479         because COW strings don't support C++11 allocator model.
 480         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 481         (experimental::pmr::basic_string, experimental::pmr::string)
 482         (experimental::pmr::u16string, experimental::pmr::u32string)
 483         (experimental::pmr::wstring): Likewise.
 484         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 485         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 486         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 487         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 488         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 489         cxx11-abi.
 490         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 491
 492         PR libstdc++/78448
 493         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 494         _S_check_init_len to check size.
 495         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 496         error if size would exceed max_size().
 497         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 498         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 499         size_t instead of size_type.
 500         (deq(size_type, const allocator_type&)
 501         (deq(size_type, const value_type&, const allocator_type&)
 502         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 503         (deque::max_size): Call _S_max_size.
 504         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 505         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 506         (vector(size_type, const value_type&, const allocator_type&))
 507         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 508         _S_check_init_len to check size.
 509         (vector::max_size): Call _S_max_size.
 510         (vector::_M_check_len): Prevent max from being expanded as a
 511         function-like macro.
 512         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 513         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 514         _S_check_init_len to check size.
 515         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 516         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 517
 518 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 519
 520         PR libstdc++/68222
 521         * include/debug/safe_iterator.h
 522         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 523         (_Safe_iterator<>::_Const_iterator): Remove.
 524         (_Safe_iterator<>::_IsConstant): New.
 525         (_Safe_iterator<>::_OtherIterator): New.
 526         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 527         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 528         __gnu_cxx::__enable_if condition.
 529         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 530         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 531         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 532         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 533         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 534         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 535         ::operator--()): ...here.
 536         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 537         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 538         ::operator--(int)): ...here.
 539         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 540         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 541         ::_M_decrementable()): ...here.
 542         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 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         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 548         Move...
 549         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 550         ::operator+=(const difference_type&)): ...here.
 551         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 552         Move...
 553         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 554         ::operator+(const difference_type&)): ...here.
 555         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 556         Move...
 557         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 558         ::operator-=(const difference_type&)): ...here.
 559         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 560         Move...
 561         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 562         ::operator-(const difference_type&)): ...here.
 563         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 564         Constraint to random access iterators.
 565         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 566         Likewise.
 567         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 568         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 569         Likewise.
 570         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 571         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 572         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 573         (__get_distance): Remove.
 574         (__get_distance_from_begin): Remove.
 575         (__get_distance_to_end): Remove.
 576         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 577         specialization.
 578         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 579         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 580         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 581         * include/debug/safe_iterator.tcc
 582         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 583         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 584         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 585         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 586         ::_M_valid_range): New.
 587         * include/debug/safe_local_iterator.h
 588         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 589         (_Safe_local_iterator<>::_IsConstant): New.
 590         (_Safe_local_iterator<>::_OtherIterator): New.
 591         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 592         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 593         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 594         with _MutIte rather than _It.
 595         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 596         (_Safe_local_iterator<>::_M_get_distance_to): New.
 597         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 598         (__get_distance(const _Safe_local_iterator<>&,
 599         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 600         (__valid_range(const _Safe_local_iterator<>&,
 601         const _Safe_local_iterator<>&)): New.
 602         * include/debug/safe_local_iterator.tcc
 603         (_Safe_local_iterator<>::_M_get_distance_to): New.
 604         * include/debug/deque (std::__debug::deque<>): Add
 605         ::__gnu_debug::_Safe_iterator<> friend declaration.
 606         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 607         * include/debug/list (std::__debug::list<>): Likewise.
 608         * include/debug/map.h (std::__debug::map<>): Likewise.
 609         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 610         * include/debug/set.h (std::__debug::set<>): Likewise.
 611         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 612         * include/debug/string (std::__debug::basic_string<>): Likewise.
 613         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 614         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 615         (std::__debug::unordered_multimap<>): Likewise.
 616         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 617         (std::__debug::unordered_multiset<>): Likewise.
 618         * include/debug/formatter.h: Adapt.
 619         * include/debug/helper_functions.h
 620         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 621         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 622         Pass parameter by copy.
 623         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 624         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 625         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 626         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 627         (__valid_range<>(const _Safe_iterator<>&,
 628         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 629         Declare.
 630         (__valid_range(const _Safe_local_iterator<>&,
 631         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 632         Declare.
 633         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 634         Declare.
 635         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 636         Declare.
 637         (__can_advance): Adapt.
 638         (struct __is_safe_random_iterator<>): Remove.
 639         (struct _SIter_base<>): Remove.
 640         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 641         (__check_dereferenceable): Remove.
 642         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 643         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 644         (__foreign_iterator): Adapt.
 645         * include/debug/stl_iterator.h
 646         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 647         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 648         Constraint for random access iterators.
 649         (__niter_base): Adapt.
 650         * testsuite/util/testsuite_containers.h:
 651         Include <bits/boost_concept_check.h>.
 652         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 653         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 654         latter for container iterator and const_iterator.
 655         * testsuite/23_containers/list/68222_neg.cc: New.
 656         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 657         line number.
 658         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 659         (test01): Remove.
 660         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 661         Remove.
 662
 663 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 664
 665         PR libstdc++/77854
 666         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 667         difference_type for containers.
 668         * doc/html/*: Regenerate.
 669
 670 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 671
 672         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 673         * include/debug/forward_list (forward_list::__remove_return_type):
 674         Define typedef as size_type or void, according to __cplusplus value.
 675         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 676         empty, according to __cplusplus value.
 677         (_GLIBCXX20_ONLY): Define macro.
 678         (forward_list::remove, forward_list::unique): Use typedef and macro
 679         to change return type and add abi-tag for C++2a. Return number of
 680         removed elements for C++2a.
 681         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 682         typedef to change return type for C++2a. Return number of removed
 683         elements for C++2a.
 684         * include/debug/list (list::__remove_return_type): Define typedef as
 685         size_type or void, according to __cplusplus value.
 686         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 687         empty, according to __cplusplus value.
 688         (_GLIBCXX20_ONLY): Define macro.
 689         (list::remove, list::unique): Use typedef and macro to change return
 690         type and add abi-tag for C++2a. Return number of removed elements for
 691         C++2a.
 692         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 693         to change return type for C++2a. Return number of removed elements for
 694         C++2a.
 695
 696 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
 697
 698         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
 699
 700 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
 701
 702         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
 703         redundant dg-do directive.
 704         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
 705         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
 706         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
 707         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
 708
 709 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
 710
 711         PR libstdc++/86963
 712         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
 713         (_Tuple_impl::_M_assign): New functions to perform assignment instead
 714         of assignment operators.
 715         (_Tuple_impl::_M_swap): Remove exception specification.
 716         (_Tuple_impl<_Idx, _Head>): Likewise.
 717         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
 718         (__tuple_base): Remove.
 719         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
 720         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
 721         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
 722         using __is_nothrow_swappable.
 723         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
 724
 725         * include/std/optional (_Optional_payload): Use variable templates
 726         for conditions in default template arguments and exception
 727         specifications.
 728         (optional): Likewise. Adjust indentation.
 729         (optional::__not_self, optional::__not_tag, optional::_Requires): New
 730         SFINAE helpers.
 731         (optional::optional): Use new helpers in constructor constraints.
 732         * include/std/type_traits (__or_v, __and_v): New variable templates.
 733         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
 734         dg-prune-output. Remove unused header.
 735
 736 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
 737
 738         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
 739         _GLIBCXX_DEBUG.
 740
 741 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
 742
 743         PR libstdc++/86963
 744         * include/std/tuple (__tuple_base): New class template with deleted
 745         copy assignment operator.
 746         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
 747         implicit copy/move assignment operator will be deleted/suppressed.
 748         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
 749         functions for SFINAE constraints on assignment operators.
 750         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
 751         New helper functions for exception specifications.
 752         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
 753         (tuple<_T1, _T2>::operator=(const tuple&))
 754         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
 755         __nonesuch_no_braces when the operator should be defined implicitly.
 756         Use __nothrow_assignable for exception specifications.
 757         (tuple::operator=(const tuple<_UElements...>&))
 758         (tuple::operator=(tuple<_UElements...>&&))
 759         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
 760         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
 761         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
 762         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
 763         __assignable and use __nothrow_assignable for exception
 764         specifications.
 765         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
 766         gdb.Type as first argument, instead of a string.
 767         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
 768         tuple for expected structure.
 769         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
 770         * testsuite/20_util/tuple/dr2729.cc: New test.
 771         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
 772         to dg-prune-output.
 773
 774 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
 775
 776         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
 777         about signed/unsigned comparison.
 778
 779         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
 780         deprecation warnings for using uncaught_exception().
 781
 782         PR libstdc++/86447
 783         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
 784         (logic_error::logic_error(logic_error&&))
 785         (logic_error::operator=(logic_error&&))
 786         (runtime_error::runtime_error(runtime_error&&))
 787         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
 788         moving, to avoid allocating empty reps for moved-from strings.
 789
 790 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
 791
 792         * include/experimental/regex: Remove begin/end macros for namespace.
 793         * include/experimental/string: Likewise.
 794         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
 795         New test.
 796         * testsuite/experimental/polymorphic_allocator/
 797         pmr_typedefs_forward_list.cc: New test.
 798         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
 799         New test.
 800         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
 801         New test.
 802         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 803         New test.
 804         * testsuite/experimental/polymorphic_allocator/
 805         pmr_typedefs_multimap.cc: New test.
 806         * testsuite/experimental/polymorphic_allocator/
 807         pmr_typedefs_multiset.cc: New test.
 808         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
 809         New test.
 810         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 811         New test.
 812         * testsuite/experimental/polymorphic_allocator/
 813         pmr_typedefs_unordered_map.cc: New test.
 814         * testsuite/experimental/polymorphic_allocator/
 815         pmr_typedefs_unordered_multimap.cc: New test.
 816         * testsuite/experimental/polymorphic_allocator/
 817         pmr_typedefs_unordered_multiset.cc: New test.
 818         * testsuite/experimental/polymorphic_allocator/
 819         pmr_typedefs_unordered_set.cc: New test.
 820         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
 821         New test.
 822
 823         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 824         calls to __uses_allocator_construct_impl and __use_alloc.
 825         * include/experimental/memory_resource
 826         (polymorphic_allocator::_M_construct): Remove.
 827         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 828         Qualify calls to __use_alloc.
 829         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 830         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 831         to _S_construct overloads.
 832         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 833         arguments to _S_construct_p.
 834         (polymorphic_allocator::_S_construct): Remove.
 835         (polymorphic_allocator::_S_construct_p): Return allocators by value
 836         not by reference.
 837         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 838         Qualify calls to __use_alloc.
 839         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 840         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 841         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 842         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 843         New test.
 844
 845         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 846         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 847
 848 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 849
 850         PR libstdc++/86954
 851         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 852         non-placement delete.
 853
 854         * include/std/chrono (__check_overflow): Simplify definition.
 855         (_Checked_integral_constant): Remove.
 856
 857         PR libstdc++/86846
 858         * src/c++17/default_resource.h: New file, defining default_res.
 859         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 860         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 861         using a mutex instead of atomics.
 862
 863         PR libstdc++/85343
 864         * config/abi/pre/gnu.ver: Export new symbol.
 865         * doc/xml/manual/abi.xml: Document new versions.
 866         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 867         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 868         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 869         Declare new overload.
 870         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 871         and static member function.
 872         (__throw_ios_failure(const char*, int)): Define.
 873         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 874         (__throw_ios_failure(const char*, int)): Define.
 875
 876 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 877
 878         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 879         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 880         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 881         copied/assigned rope iterators don't retain pointers to the iterator
 882         they were copied/assigned from.
 883         * testsuite/ext/rope/7.cc: New.
 884
 885 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 886
 887         PR libstdc++/45093
 888         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 889         Combine definitions to avoid --detect-odr-violations warning.
 890
 891         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 892         __is_pow2 to check for valid alignment. Avoid branching when rounding
 893         size to multiple of alignment.
 894
 895         * include/Makefile.am: Install <bit> and <version> for freestanding.
 896         * include/Makefile.in: Regenerate.
 897         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 898
 899         Revert
 900         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 901
 902         PR target/85904
 903         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 904         Newlib.
 905         * configure: Regenerate.
 906
 907 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 908
 909         PR libstdc++/68210
 910         * doc/xml/manual/intro.xml: Document LWG 206 change.
 911         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 912         * libsupc++/del_opa.cc: Likewise.
 913         * libsupc++/del_opant.cc: Likewise.
 914         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 915         of free(ptr).
 916         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 917         * libsupc++/del_opsa.cc: Likewise.
 918         * libsupc++/del_opva.cc: Likewise.
 919         * libsupc++/del_opvant.cc: Likewise.
 920         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 921         instead of operator delete(ptr).
 922         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 923         * libsupc++/del_opvsa.cc: Likewise.
 924         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 925         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 926         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 927         with noexcept.
 928         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 929         malloc(sz).
 930         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 931         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 932         operator new(sz, nothrow).
 933         * testsuite/18_support/new_nothrow.cc: New test.
 934
 935 2018-08-10  Martin Liska  <mliska@suse.cz>
 936
 937         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 938         predictor can handle that.
 939         * libsupc++/new_opa.cc: Likewise.
 940         * libsupc++/new_opnt.cc (new): Likewise.
 941
 942 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 943
 944         PR target/85904
 945         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 946         Newlib.
 947         * configure: Regenerate.
 948
 949 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 950
 951         * include/std/deque (std::pmr::deque): Declare alias.
 952         * include/std/forward_list (std::pmr::forward_list): Likewise.
 953         * include/std/list (std::pmr::list): Likewise.
 954         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 955         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 956         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 957         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 958         * include/std/string (std::pmr::basic_string, std::pmr::string)
 959         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 960         Likewise.
 961         * include/std/unordered_map (std::pmr::unordered_map)
 962         (std::pmr::unordered_multimap): Likewise.
 963         * include/std/unordered_set (std::pmr::unordered_set)
 964         (std::pmr::unordered_multiset): Likewise.
 965         * include/std/vector (std::pmr::vector): Likewise.
 966         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 967         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 968         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
 969         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
 970         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
 971         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
 972         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
 973         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
 974         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
 975         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
 976         test.
 977         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
 978         test.
 979         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
 980         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
 981         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
 982
 983 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
 984
 985         * include/bits/stl_algo.h
 986         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
 987         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
 988         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
 989         duplication...
 990         (rotate(_Ite, _Ite, _Ite)): ...here.
 991         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
 992         Simplify rotate call.
 993         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
 994         Likewise.
 995         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
 996         Likewise.
 997
 998 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
 999
1000         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
1001         avoid clashing with an ::aligned_alloc function that was not detected
1002         by configure.
1003
1004         * doc/xml/manual/using.xml: Fix markup for empty table entry.
1005         * doc/html/*: Regenerate.
1006
1007         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
1008         * doc/html/*: Regenerate.
1009
1010         PR libstdc++/86597
1011         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
1012         Clear error_code when cached type is used.
1013         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
1014
1015 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
1016
1017         PR libstdc++/86874
1018         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
1019         here instead of in _Move_assign_base.
1020         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
1021         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
1022         the contained value to another alternative.
1023         (_Move_assign_base::operator=): Likewise.
1024         (_Move_assign_base::_M_destructive_move): Remove.
1025         * testsuite/20_util/variant/86874.cc: New test.
1026
1027         PR libstdc++/86861
1028         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
1029         Replace macro with inline function.
1030         [__sun]: Increase alignment to meet memalign precondition.
1031         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
1032         (aligned_alloc): Move check for valid alignment to operator new.
1033         Remove redundant check for non-zero size, it's enforced by the caller.
1034         (operator new): Move check for valid alignment here. Use
1035         __builtin_expect on check for zero size.
1036
1037         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
1038         * include/std/memory_resource (monotonic_buffer_resource::release):
1039         Call _M_release_buffers to free buffers.
1040         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
1041         allocate a new buffer from upstream.
1042         (monotonic_buffer_resource::_M_new_buffer): Declare.
1043         (monotonic_buffer_resource::_M_release_buffers): Declare.
1044         (monotonic_buffer_resource::_Chunk): Replace definition with
1045         declaration as opaque type.
1046         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
1047         Define.
1048         (monotonic_buffer_resource::_M_new_buffer): Define.
1049         (monotonic_buffer_resource::_M_release_buffers): Define.
1050
1051 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
1052
1053         * include/bits/stl_iterator.h: Fix comment.
1054
1055 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
1056
1057         * src/c++11/system_error.cc
1058         (system_error_category::default_error_condition): Add workaround for
1059         ENOTEMPTY and EEXIST having the same value on AIX.
1060         * testsuite/19_diagnostics/error_category/system_category.cc: Add
1061         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
1062
1063 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1064
1065         * configure: Regenerate.
1066         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
1067         * src/c++11/futex.cc: Use __glibcxx_assert instead of
1068         _GLIBCXX_DEBUG_ASSERT.
1069
1070 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1071
1072         * include/std/condition_variable (wait_for): Use steady_clock.
1073
1074 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1075
1076         * include/std/condition_variable (wait_until): Only report timeout
1077         if we really have timed out when measured against the
1078         caller-supplied clock.
1079         * testsuite/30_threads/condition_variable/members/2.cc: Add test
1080         case to confirm above behaviour.
1081
1082 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1083
1084         PR libstdc++/60555
1085         * src/c++11/system_error.cc
1086         (system_error_category::default_error_condition): New override to
1087         check for POSIX errno values.
1088         * testsuite/19_diagnostics/error_category/generic_category.cc: New
1089         * testsuite/19_diagnostics/error_category/system_category.cc: New
1090         test.
1091
1092 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
1093
1094         PR libstdc++/86751
1095         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
1096         assignment operator.
1097         (pair): Derive from __pair_base.
1098         (pair::operator=): Remove deleted overload.
1099         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
1100         so that new base class isn't shown in GDB.
1101         * testsuite/20_util/pair/86751.cc: New test.
1102         * testsuite/20_util/pair/ref_assign.cc: New test.
1103
1104         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1105         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
1106         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
1107         instead of __has_builtin.
1108         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1109         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
1110         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
1111         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
1112         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
1113         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
1114         (__cpp_lib_has_unique_object_representations): Don't define when
1115         builtin not available.
1116         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
1117         Likewise.
1118         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
1119         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
1120         from here.
1121
1122         * doc/xml/manual/test.xml: Improve documentation on writing tests for
1123         newer standards.
1124         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
1125         * doc/html/*: Regenerate.
1126
1127         * include/ext/pointer.h [__cplusplus >= 201103L]
1128         (_Pointer_adapter::operator bool): Add explicit conversion operator
1129         to replace safe bool idiom.
1130
1131 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
1132
1133         PR libstdc++/86734
1134         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
1135         _S_to_pointer (LWG 1052, LWG 2118).
1136         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
1137         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
1138         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
1139
1140         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
1141         workaround for aligned_alloc bug on AIX.
1142         * testsuite/18_support/new_aligned.cc: New test.
1143
1144 2018-07-26  Marek Polacek  <polacek@redhat.com>
1145
1146         * testsuite/30_threads/condition_variable_any/cond.cc: New.
1147
1148 2018-07-26  Marek Polacek  <polacek@redhat.com>
1149
1150         * src/c++98/locale_init.cc: Fix #ifdef condition.
1151
1152 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1153
1154         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
1155         dg-require-cstdint directive.
1156         * testsuite/20_util/allocator/overaligned.cc: Likewise.
1157         * testsuite/20_util/any/cons/aligned.cc: Likewise.
1158         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
1159         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
1160         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1161         Likewise.
1162         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1163         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
1164         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
1165         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
1166         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
1167         random_device effective-target.
1168         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
1169         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
1170         * testsuite/25_algorithms/sample/2.cc: Likewise.
1171         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
1172         and random_device.
1173         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
1174         cstdint.
1175         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1176         Likewise.
1177         * testsuite/26_numerics/random/discard_block_engine/requirements/
1178         constexpr_data.cc: Likewise.
1179         * testsuite/26_numerics/random/discard_block_engine/requirements/
1180         constexpr_functions.cc: Likewise.
1181         * testsuite/26_numerics/random/independent_bits_engine/requirements/
1182         constexpr_functions.cc: Likewise.
1183         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1184         constexpr_data.cc: Likewise.
1185         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1186         constexpr_functions.cc: Likewise.
1187         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1188         constexpr_data.cc: Likewise.
1189         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1190         constexpr_functions.cc: Likewise.
1191         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1192         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1193         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1194         constexpr_data.cc: Add dg-require-cstdint directive.
1195         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1196         constexpr_functions.cc: Likewise.
1197         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1198         constexpr_data.cc: Likewise.
1199         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1200         constexpr_functions.cc: Likewise.
1201         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1202         64351.cc: Likewise.
1203         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1204         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1205         * testsuite/experimental/algorithm/sample.cc: Likewise.
1206         * testsuite/experimental/algorithm/search.cc: Likewise.
1207         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1208         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1209         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1210         Likewise.
1211         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1212         * testsuite/experimental/random/randint.cc: Likewise.
1213         * testsuite/experimental/source_location/1.cc: Likewise.
1214         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1215         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1216         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1217         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1218         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1219         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1220         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1221         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1222         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1223         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1224         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1225         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1226         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1227         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1228         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1229         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1230         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1231         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1232         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1233         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1234         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1235         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1236         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1237
1238         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1239         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1240         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1241         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1242         Likewise.
1243         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1244         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1245         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1246         Likewise.
1247         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1248         Likewise.
1249         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1250         Likewise.
1251         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1252         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1253         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1254         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1255         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1256         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1257         Likewise.
1258         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1259         Likewise.
1260         * testsuite/30_threads/recursive_timed_mutex/dest/
1261         destructor_locked.cc: Likewise.
1262         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1263         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1264         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1265         Likewise.
1266         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1267         typesizes.cc: Likewise.
1268         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1269         Likewise.
1270         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1271         Likewise.
1272         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1273         Likewise.
1274         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1275         Likewise.
1276         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1277         Likewise.
1278         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1279         Likewise.
1280         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1281         Likewise.
1282         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1283         Likewise.
1284         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1285         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1286         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1287         * testsuite/30_threads/scoped_lock/requirements/
1288         explicit_instantiation.cc: Likewise.
1289         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1290         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1291         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1292         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1293         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1294         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1295         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1296         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1297         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1298         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1299         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1300         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1301         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1302         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1303         * testsuite/30_threads/shared_future/requirements/
1304         explicit_instantiation.cc: Likewise.
1305         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1306         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1307         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1308         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1309         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1310         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1311         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1312         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1313         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1314         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1315         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1316         * testsuite/30_threads/shared_lock/requirements/
1317         explicit_instantiation.cc: Likewise.
1318         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1319         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1320         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1321         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1322         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1323         Likewise.
1324         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1325         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1326         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1327         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1328         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1329         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1330         * testsuite/30_threads/shared_timed_mutex/requirements/
1331         standard_layout.cc: Likewise.
1332         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1333         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1334         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1335         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1336         * testsuite/30_threads/this_thread/1.cc: Likewise.
1337         * testsuite/30_threads/this_thread/2.cc: Likewise.
1338         * testsuite/30_threads/this_thread/3.cc: Likewise.
1339         * testsuite/30_threads/this_thread/4.cc: Likewise.
1340         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1341         * testsuite/30_threads/thread/70503.cc: Likewise.
1342         * testsuite/30_threads/thread/84532.cc: Likewise.
1343         * testsuite/30_threads/thread/adl.cc: Likewise.
1344         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1345         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1346         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1347         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1348         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1349         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1350         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1351         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1352         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1353         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1354         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1355         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1356         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1357         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1358         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1359         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1360         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1361         * testsuite/30_threads/thread/members/1.cc: Likewise.
1362         * testsuite/30_threads/thread/members/2.cc: Likewise.
1363         * testsuite/30_threads/thread/members/3.cc: Likewise.
1364         * testsuite/30_threads/thread/members/4.cc: Likewise.
1365         * testsuite/30_threads/thread/members/5.cc: Likewise.
1366         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1367         Likewise.
1368         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1369         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1370         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1371         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1372         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1373         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1374         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1375         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1376         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1377         Likewise.
1378         * testsuite/30_threads/timed_mutex/requirements/
1379         standard_layout.cc: Likewise.
1380         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1381         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1382         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1383         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1384         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1385         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1386         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1387         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1388         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1389         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1390         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1391         * testsuite/30_threads/try_lock/1.cc: Likewise.
1392         * testsuite/30_threads/try_lock/2.cc: Likewise.
1393         * testsuite/30_threads/try_lock/3.cc: Likewise.
1394         * testsuite/30_threads/try_lock/4.cc: Likewise.
1395         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1396         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1397         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1398         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1399         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1400         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1401         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1402         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1403         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1404         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1405         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1406         * testsuite/30_threads/unique_lock/requirements/
1407         explicit_instantiation.cc: Likewise.
1408         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1409
1410         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1411         directive.
1412         * testsuite/30_threads/async/49668.cc: Likewise.
1413         * testsuite/30_threads/async/54297.cc: Likewise.
1414         * testsuite/30_threads/async/84532.cc: Likewise.
1415         * testsuite/30_threads/async/any.cc: Likewise.
1416         * testsuite/30_threads/async/async.cc: Likewise.
1417         * testsuite/30_threads/async/except.cc: Likewise.
1418         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1419         * testsuite/30_threads/async/launch.cc: Likewise.
1420         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1421         * testsuite/30_threads/async/sync.cc: Likewise.
1422         * testsuite/30_threads/call_once/39909.cc: Likewise.
1423         * testsuite/30_threads/call_once/49668.cc: Likewise.
1424         * testsuite/30_threads/call_once/60497.cc: Likewise.
1425         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1426         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1427         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1428         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1429         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1430         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1431         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1432         Likewise.
1433         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1434         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1435         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1436         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1437         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1438         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1439         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1440         Likewise.
1441         * testsuite/30_threads/condition_variable/requirements/
1442         standard_layout.cc: Likewise.
1443         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1444         * Likewise.
1445         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1446         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1447         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1448         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1449         Likewise.
1450         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1451         Likewise.
1452         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1453         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1454         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1455         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1456         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1457         * testsuite/30_threads/future/cons/default.cc: Likewise.
1458         * testsuite/30_threads/future/cons/move.cc: Likewise.
1459         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1460         * testsuite/30_threads/future/members/45133.cc: Likewise.
1461         * testsuite/30_threads/future/members/get.cc: Likewise.
1462         * testsuite/30_threads/future/members/get2.cc: Likewise.
1463         * testsuite/30_threads/future/members/share.cc: Likewise.
1464         * testsuite/30_threads/future/members/valid.cc: Likewise.
1465         * testsuite/30_threads/future/members/wait.cc: Likewise.
1466         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1467         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1468         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1469         Likewise.
1470         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1471         Likewise.
1472         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1473         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1474         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1475         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1476         * testsuite/30_threads/lock/1.cc: Likewise.
1477         * testsuite/30_threads/lock/2.cc: Likewise.
1478         * testsuite/30_threads/lock/3.cc: Likewise.
1479         * testsuite/30_threads/lock/4.cc: Likewise.
1480         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1481         * testsuite/30_threads/lock_guard/requirements/
1482         explicit_instantiation.cc: Likewise.
1483         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1484         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1485         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1486         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1487         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1488         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1489         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1490         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1491         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1492         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1493         Likewise.
1494         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1495         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1496         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1497         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1498         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1499         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1500         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1501         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1502         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1503         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1504         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1505         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1506         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1507         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1508         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1509         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1510         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1511         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1512         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1513         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1514         Likewise.
1515         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1516         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1517         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1518         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1519         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1520         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1521         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1522         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1523         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1524         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1525         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1526         * testsuite/30_threads/packaged_task/requirements/
1527         explicit_instantiation.cc: Likewise.
1528         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1529         * testsuite/30_threads/promise/60966.cc: Likewise.
1530         * testsuite/30_threads/promise/69106.cc: Likewise.
1531         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1532         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1533         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1534         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1535         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1536         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1537         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1538         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1539         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1540         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1541         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1542         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1543         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1544         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1545         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1546         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1547         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1548         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1549         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1550         * Likewise.
1551         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1552
1553         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1554         from namespace std.
1555         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1556         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1557         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1558         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1559         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1560         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1561         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1562         * testsuite/20_util/duration/cons/1.cc: Likewise.
1563         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1564         * testsuite/20_util/duration/cons/2.cc: Likewise.
1565         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1566         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1567         * testsuite/20_util/duration/requirements/explicit_instantiation/
1568         explicit_instantiation.cc: Likewise.
1569         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1570         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1571         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1572         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1573         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1574         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1575         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1576         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1577         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1578         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1579         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1580         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1581         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1582         * testsuite/20_util/system_clock/1.cc: Likewise.
1583         * testsuite/20_util/time_point/1.cc: Likewise.
1584         * testsuite/20_util/time_point/2.cc: Likewise.
1585         * testsuite/20_util/time_point/3.cc: Likewise.
1586         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1587         explicit_instantiation.cc: Likewise.
1588         * testsuite/21_strings/basic_string/requirements/
1589         explicit_instantiation/char16_t/1.cc: Likewise.
1590         * testsuite/21_strings/basic_string/requirements/
1591         explicit_instantiation/char32_t/1.cc: Likewise.
1592         * testsuite/21_strings/basic_string_view/requirements/
1593         explicit_instantiation/char16_t/1.cc: Likewise.
1594         * testsuite/21_strings/basic_string_view/requirements/
1595         explicit_instantiation/char32_t/1.cc: Likewise.
1596         * testsuite/21_strings/char_traits/requirements/
1597         explicit_instantiation/char16_t/1.cc: Likewise.
1598         * testsuite/21_strings/char_traits/requirements/
1599         explicit_instantiation/char32_t/1.cc: Likewise.
1600         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1601         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1602         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1603         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1604         Likewise.
1605         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1606         Likewise.
1607         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1608         Likewise.
1609         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1610         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1611         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1612         Likewise.
1613         * testsuite/experimental/string_view/requirements/
1614         explicit_instantiation/char16_t/1.cc: Likewise.
1615         * testsuite/experimental/string_view/requirements/
1616         explicit_instantiation/char32_t/1.cc: Likewise.
1617         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1618         1.cc: Likewise.
1619         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1620         1.cc: Likewise.
1621
1622         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1623         (random_condition, throw_value_random, throw_allocator_random)
1624         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1625         not usable.
1626         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1627         define transactional memory support when <stdint.h> is not usable.
1628
1629         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1630         implementation that doesn't depend on <stdint.h> types.
1631         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1632         std::size_t when std::uintptr_t is not usable.
1633         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1634         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1635         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1636
1637         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1638         (hash<u16string>, hash<u32string>): Remove dependency on
1639         _GLIBCXX_USE_C99_STDINT_TR1.
1640         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1641         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1642         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1643         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1644         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1645         (codecvt<char16_t, char, mbstate_t>)
1646         (codecvt<char32_t, char, mbstate_t>)
1647         (codecvt_byname<char16_t, char, mbstate_t>)
1648         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1649         on _GLIBCXX_USE_C99_STDINT_TR1.
1650         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1651         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1652         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1653         (char_traits<char16_t>, char_traits<char32_t>)
1654         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1655         on _GLIBCXX_USE_C99_STDINT_TR1.
1656         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1657         (u16string_view, u32string_view, hash<u16string_view>)
1658         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1659         (operator""sv(const char32_t, size_t)): Likewise.
1660         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1661         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1662         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1663         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1664         (__u32sso_string, __u32rc_string): Likewise.
1665         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1666         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1667         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1668         (u16string_view, u32string_view, hash<u16string_view>)
1669         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1670         (operator""sv(const char32_t, size_t)): Likewise.
1671         * src/c++11/codecvt.cc: Likewise.
1672         * src/c++98/locale_init.cc: Likewise.
1673         * src/c++98/localename.cc: Likewise.
1674
1675         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1676         (__atomic_futex_unsigned_base): Remove dependency on
1677         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1678         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1679         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1680         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1681         (uintmax_t): Define using predefined macros.
1682         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1683         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1684         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1685         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1686         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1687         long long when <stdint.h> is not usable.
1688         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1689         (condition_variable, condition_variable_any): Remove dependency on
1690         _GLIBCXX_USE_C99_STDINT_TR1.
1691         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1692         (packaged_task, async): Likewise.
1693         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1694         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1695         (once_flag, call_once): Likewise.
1696         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1697         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1698         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1699         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1700         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1701         (this_thread::sleep_until): Likewise.
1702         * src/c++11/chrono.cc: Remove dependency on
1703         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1704         * src/c++11/condition_variable.cc: Likewise.
1705         * src/c++11/futex.cc: Likewise.
1706         * src/c++11/future.cc: Likewise.
1707         * src/c++11/mutex.cc: Likewise.
1708         * src/c++11/thread.cc: Likewise.
1709         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1710         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1711         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1712         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1713         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1714         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1715
1716 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1717
1718         PR libstdc++/77691
1719         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1720         xfail execution on 32-bit Solaris/x86.
1721
1722 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1723
1724         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1725         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1726         (vector::_M_move_assign): Reorder the swaps.
1727
1728 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1729
1730         PR libstdc++/86676
1731         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1732         same alignment for post-release allocation.
1733
1734 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1735
1736         PR libstdc++/86676
1737         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1738         buffer being misaligned and so returned pointer not being at start.
1739
1740         * include/experimental/memory_resource: Include <cstddef> header.
1741
1742         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1743         * src/Makefile.am: Add comment.
1744         * src/c++17/Makefile.in: Regenerate.
1745
1746         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1747         * include/Makefile.in: Regenerate.
1748         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1749         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1750         (unique_lock): Move definition to ...
1751         * include/bits/unique_lock.h: New header.
1752         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1753         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1754         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1755         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1756         * include/std/condition_variable: Include <bits/unique_lock.h>.
1757         * include/std/mutex: Likewise.
1758
1759 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1760
1761         * config/abi/pre/gnu.ver: Export new symbols.
1762         * configure: Regenerate.
1763         * include/Makefile.am: Add new <memory_resource> header.
1764         * include/Makefile.in: Regenerate.
1765         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1766         * include/std/memory_resource: New header.
1767         (memory_resource, polymorphic_allocator, new_delete_resource)
1768         (null_memory_resource, set_default_resource, get_default_resource)
1769         (pool_options, monotonic_buffer_resource): Define.
1770         * src/Makefile.am: Add c++17 directory.
1771         * src/Makefile.in: Regenerate.
1772         * src/c++11/Makefile.am: Fix comment.
1773         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1774         * src/c++17/Makefile.in: Generate.
1775         * src/c++17/memory_resource.cc: New.
1776         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1777         (default_res, new_delete_resource, null_memory_resource)
1778         (set_default_resource, get_default_resource): Define.
1779         * testsuite/20_util/memory_resource/1.cc: New test.
1780         * testsuite/20_util/memory_resource/2.cc: New test.
1781         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1782         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1783         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1784         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1785         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1786         New test.
1787         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1788         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1789         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1790         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1791         Define concrete memory resource for testing.
1792         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1793         default resource.
1794
1795         PR libstdc++/86658
1796         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1797         parameter by reference, to avoid copying invalid iterators.
1798         * testsuite/25_algorithms/copy/86658.cc: New test.
1799
1800         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1801         local variables for number of digits instead of type aliases.
1802         (__log2p1): Remove redundant branch also checked in __countl_zero.
1803
1804         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1805         conditions. Add comments.
1806         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1807         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1808         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1809
1810         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1811         (__uses_allocator_helper): Check conditions directly instead of
1812         using __is_erased_or_convertible.
1813
1814         * include/experimental/memory_resource: Adjust comments and
1815         whitespace.
1816         (__resource_adaptor_imp): Add second template parameter for type of
1817         memory resource base class.
1818         (memory_resource): Define default constructor, destructor, copy
1819         constructor and copy assignment operator as defaulted.
1820
1821         PR libstdc++/70966
1822         * include/experimental/memory_resource (__get_default_resource): Use
1823         placement new to create an object with dynamic storage duration.
1824
1825 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1826
1827         PR libstdc++/70940
1828         * include/experimental/memory_resource
1829         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1830         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1831         give maximum alignment an allocator guarantees. Specialize for known
1832         allocators using new and malloc.
1833         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1834         (__resource_adaptor_imp::do_deallocate): Likewise.
1835         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1836         Check that new and delete are called with expected sizes.
1837
1838 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1839
1840         PR libstdc++/86595
1841         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1842         noexcept.
1843
1844 2018-07-20  Fangrui Song  <maskray@google.com>
1845
1846         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1847         _GLIBCXX_VISIBILITY(default).
1848
1849 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1850
1851         PR libstdc++/86603
1852         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1853
1854 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1855
1856         * include/std/type_traits (__is_member_object_pointer_helper): Use
1857         __not_<is_function<_Tp>>::type instead of integral_constant.
1858         (__is_member_function_pointer_helper): Likewise for
1859         is_function<_Tp>::type.
1860         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1861         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1862         (is_trivially_constructible): Remove redundant use of
1863         is_constructible.
1864         (__is_trivially_copy_assignable_impl): Remove redundant use of
1865         is_copy_assignable.
1866         (__is_trivially_move_assignable_impl): Remove redundant use of
1867         is_move_assignable.
1868         (is_trivially_destructible): Use __bool_constant.
1869         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1870         tests for scalar types.
1871
1872 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1873
1874         * include/bits/stl_algobase.h (__copy_move_a): Used
1875         __is_trivially_copyable.
1876         (__copy_move_backward_a): Likewise.
1877         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1878         New test.
1879
1880 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1881
1882         PR libstdc++/86450
1883         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1884         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1885         * configure: Regenerate.
1886         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1887         * doc/Makefile.in: Regenerate.
1888         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1889         * include/Makefile.in: Regenerate.
1890         * libsupc++/Makefile.in: Regenerate.
1891         * po/Makefile.in: Regenerate.
1892         * python/Makefile.in: Regenerate.
1893         * src/Makefile.in: Regenerate.
1894         * src/c++11/Makefile.in: Regenerate.
1895         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1896         from -Wabi=2 that don't affect exported symbols.
1897         * src/c++98/Makefile.in: Regenerate.
1898         * src/filesystem/Makefile.in: Regenerate.
1899         * testsuite/Makefile.in: Regenerate.
1900
1901         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1902         (_Async_state_common::_M_join): Simplify use of std::call_once and
1903         corresponding explicit instantiation.
1904         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1905         (__bind_simple): Remove definitions and explicit instantiation that
1906         are not required by exported symbols.
1907
1908 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1909
1910         * scripts/create_testsuite_files: Fix typo in comment.
1911
1912         PR libstdc++/86537
1913         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1914         non-standard partial specialization.
1915         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1916         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1917         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1918
1919 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1920
1921         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1922         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1923         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1924
1925 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1926
1927         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1928         * include/debug/string (__gnu_debug::__check_string): ... here.
1929         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1930         (__glibcxx_check_string_n_constructor): New.
1931         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1932         Use latter.
1933         (__glibcxx_check_string_constructor): New.
1934         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1935         Use latter.
1936         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1937         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1938
1939 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1940
1941         PR libstdc++/84928 use std::move in <numeric> algorithms
1942         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1943         conditionally move, according to __cplusplus value.
1944         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1945         _GLIBCXX_MOVE_IF_20.
1946         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1947         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1948         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1949         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1950
1951         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1952
1953         P0935R0 Eradicating unnecessarily explicit default constructors
1954         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1955         default constructor symbols.
1956         * include/std/sstream (basic_stringbuf, basic_istringstream)
1957         (basic_ostringstream, basic_stringstream): Remove default arguments
1958         from explicit constructors taking ios_base::openmode and add separate
1959         non-explicit default constructors.
1960         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1961         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1962         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1963         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1964         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1965
1966         * include/std/variant (__accepted_index): Use void_t.
1967
1968 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1969
1970         PR libstdc++/85831
1971         * config/abi/pre/gnu.ver: Export move constructors and move
1972         assignment operators for std::logic_error and std::runtime_error.
1973         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1974         _GLIBCXX_USE_NOEXCEPT.
1975         (logic_error, runtime_error): Declare move constructors and move
1976         assignment operators. When not declared already, define copy
1977         constructors and copy assignment operators as explicit-defaulted.
1978         (domain_error, invalid_argument, length_error, out_of_range)
1979         (overflow_error, underflow_error): Define move constructors and move
1980         assignment operators as explicitly-defaulted.
1981         * libsupc++/exception.h (exception): Likewise.
1982         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
1983         move constructors and move assignment operators as defaulted.
1984         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
1985         assignment operators are defined.
1986
1987         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
1988         COW strings.
1989         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1990         Likewise.
1991         * testsuite/21_strings/basic_string/requirements/
1992         explicit_instantiation/debug.cc: Likewise.
1993
1994         PR libstdc++/58265
1995         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1996         (basic_string::assign(basic_string&&)): Add conditional noexcept
1997         depending on the allocator's is_always_equal property (LWG 2063).
1998         * testsuite/21_strings/basic_string/modifiers/assign/char/
1999         move_assign.cc: Check for non-throwing exception specification.
2000         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2001         move_assign.cc: Likewise.
2002
2003         PR libstdc++/58265
2004         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2005         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
2006         Add GLIBCXX_NOEXCEPT.
2007         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
2008         to depend on the allocator's is_always_equal property (LWG 2063).
2009         (basic_string::swap(basic_string&)): Likewise.
2010         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
2011         (basic_string::swap(basic_string&)): Likewise.
2012         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
2013         Check is_nothrow_move_assignable.
2014         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
2015         Check is_nothrow_move_assignable.
2016         * testsuite/21_strings/basic_string/cons/char/
2017         noexcept_move_construct.cc: Likewise.
2018         * testsuite/21_strings/basic_string/cons/wchar_t/
2019         noexcept_move_construct.cc: Likewise.
2020
2021 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2022
2023         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2024         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
2025         Define.
2026         (forward_list::__remove_return_type): Define typedef as size_type or
2027         void, according to __cplusplus value.
2028         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2029         empty, according to __cplusplus value.
2030         (forward_list::remove, forward_list::unique): Use typedef and macro
2031         to change return type and add abi-tag for C++2a.
2032         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2033         typedef to change return type for C++2a.
2034         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
2035         (forward_list::remove, forward_list::remove_if<Pred>)
2036         (forward_list::unique<BinPred>): Return number of removed elements
2037         for C++2a.
2038         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
2039         (list::remove, list::unique, list::remove_if<Predicate>)
2040         (list::unique<BinaryPredicate>): Return number of removed elements
2041         for C++2a.
2042         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
2043         (list::__remove_return_type): Define typedef as size_type or
2044         void, according to __cplusplus value.
2045         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2046         empty, according to __cplusplus value.
2047         (list::remove, list::unique): Use typedef and macro to change return
2048         type and add abi-tag for C++2a.
2049         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
2050         typedef to change return type for C++2a.
2051         * include/std/version (__cpp_lib_list_remove_return_type): Define.
2052         * testsuite/23_containers/forward_list/operations/
2053         remove_cxx20_return.cc: New.
2054         * testsuite/23_containers/forward_list/operations/
2055         unique_cxx20_return.cc: New.
2056
2057         P0458R2 Checking for Existence of an Element in Associative Containers
2058         * include/bits/stl_map.h (map::contains): Add for C++2a.
2059         * include/bits/stl_multimap.h (multimap::contains): Likewise.
2060         * include/bits/stl_multiset.h (multiset::contains): Likewise.
2061         * include/bits/stl_set.h (set::contains): Likewise.
2062         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
2063         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
2064         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
2065         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
2066         * include/bits/unordered_map.h (unordered_map::contains)
2067         (unordered_multimap::contains): Add for C++2a.
2068         * include/bits/unordered_set.h (unordered_set::contains)
2069         (unordered_multiset::contains): Likewise.
2070         * testsuite/23_containers/map/operations/contains.cc: New.
2071         * testsuite/23_containers/multimap/operations/contains.cc: New.
2072         * testsuite/23_containers/multiset/operations/contains.cc: New.
2073         * testsuite/23_containers/set/operations/contains.cc: New.
2074         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
2075         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
2076         New.
2077         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
2078         New.
2079         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
2080
2081 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
2082
2083         PR libstdc++/86272
2084         * include/debug/string
2085         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
2086         Use __glibcxx_check_insert_range.
2087         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
2088         __gnu_debug::string when _GLIBCXX_DEBUG.
2089         * 21_strings/basic_string/init-list.cc: Likewise.
2090         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
2091         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
2092         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
2093         * 21_strings/basic_string/types/1.cc: Likewise.
2094
2095 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2096
2097         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
2098         target for std::random_device.
2099         * testsuite/26_numerics/random/random_device/cons/default.cc:
2100         Likewise.
2101         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2102         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2103         * testsuite/experimental/random/randint.cc: Likewise.
2104         * testsuite/lib/libstdc++.exp
2105         (check_effective_target_random_device): New proc.
2106
2107 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2108             Jakub Jelinek  <jakub@redhat.com>
2109
2110         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
2111
2112 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2113
2114         PR libstdc++/86398
2115         * include/std/type_traits (is_trivially_constructible): Check
2116         is_constructible before __is_trivially_constructible.
2117         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
2118         tests, including negative cases.
2119         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
2120         zero for dg-error lineno.
2121         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
2122         Likewise.
2123
2124         * include/std/bit (__rotl, __rotr): Avoid branch.
2125         (_If_is_unsigned_integer): Use remove_cv_t.
2126         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
2127
2128 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
2129
2130         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
2131         * include/Makefile.am: Add new header.
2132         * include/Makefile.in: Regenerate.
2133         * include/precompiled/stdc++.h: Include new header.
2134         * include/std/bit: New header.
2135         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
2136         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
2137         Define for C++14.
2138         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
2139         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
2140         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
2141         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
2142         std::byte.
2143         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
2144         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
2145         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
2146         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
2147         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
2148         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
2149         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
2150         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
2151         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
2152         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
2153
2154         * include/bits/alloc_traits.h: Remove redundant preprocessor
2155         condition.
2156
2157 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
2158
2159         * include/bits/stl_algobase.h (__niter_wrap): New.
2160         (__copy_move_a2(_II, _II, _OI)): Use latter.
2161         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
2162         (fill_n(_OI, _Size, const _Tp&)): Likewise.
2163         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
2164         * include/debug/stl_iterator.h
2165         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
2166         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
2167         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
2168         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
2169
2170 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
2171
2172         P0758R1 Implicit conversion traits
2173         * include/std/type_traits [__cplusplus > 201703]
2174         (__is_convertible_helper::__is_nothrow_type): Define new member.
2175         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
2176         noexcept.
2177         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
2178         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
2179         new members.
2180         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
2181         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
2182         * testsuite/20_util/is_nothrow_convertible/requirements/
2183         explicit_instantiation.cc: New.
2184         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
2185         New.
2186
2187         P0887R1 The identity metafunction
2188         * include/std/type_traits (type_identity, type_identity_t): Define
2189         for C++2a.
2190         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2191         * testsuite/20_util/type_identity/requirements/
2192         explicit_instantiation.cc:New.
2193         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2194
2195         * include/bits/regex.h (sub_match::operator string_type): Call str().
2196         (sub_match::compare): Use _M_str() instead of str().
2197         (sub_match::_M_compare): New public function.
2198         (sub_match::__string_view): New helper type.
2199         (sub_match::_M_str): New overloaded functions to avoid creating a
2200         string_type object when not needed.
2201         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2202         Use sub_match::_M_compare instead of creating string_type objects.
2203         Fix Doxygen comments.
2204         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2205         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2206         simplify.
2207         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2208         __enable_if_t.
2209         * include/std/type_traits (__enable_if_t): Define for C++11.
2210         * testsuite/28_regex/sub_match/compare.cc: New.
2211         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2212         trait.
2213         (input_iterator_wrapper): Use remove_cv for value_type argument of
2214         std::iterator base class.
2215
2216 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2217
2218         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2219         Add whitespace to dejagnu directive.
2220         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2221
2222 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2223
2224         * include/bits/stl_vector.h
2225         (struct _Vector_base<>::_Vector_impl_data): New.
2226         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2227         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2228         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2229         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2230         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2231         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2232         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2233         (_Vector_base()): Default.
2234         (_Vector_base(_Vector_base&&)): Default.
2235         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2236         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2237         (_Vector_base::_M_create_storage(size_t)): Make protected.
2238         (vector()): Default.
2239         (vector(vector&&)): Default.
2240         (vector(vector&&, const allocator_type&, true_type)): New.
2241         (vector(vector&&, const allocator_type&, false_type)): New.
2242         (vector(vector&&, const allocator_type&)): Use latters.
2243         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2244         _M_range_initialize directly.
2245         * include/debug/vector
2246         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2247         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2248         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2249         static assertions.
2250
2251 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2252
2253         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2254         (__is_byte<byte>): Define specialization for std::byte.
2255
2256         PR libstdc++/86138
2257         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2258         Declare explicit instantiations of COW empty reps and I/O functions.
2259
2260 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2261
2262         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2263         directives.
2264         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2265
2266 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2267
2268         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2269         noexcept.
2270
2271 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2272
2273         PR libstdc++/86112
2274         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2275         Replace dict comprehension.
2276
2277         PR libstdc++/81092
2278         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2279
2280         PR libstdc++/86292
2281         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2282         Add try-catch block.
2283         * testsuite/23_containers/vector/cons/86292.cc: New.
2284
2285         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2286
2287         * include/experimental/algorithm (sample, shuffle): Add new overloads
2288         using per-thread random number engine.
2289         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2290         dependencies by using __gnu_test::test_container.
2291         * testsuite/experimental/algorithm/sample-2.cc: New.
2292         * testsuite/experimental/algorithm/shuffle.cc: New.
2293
2294 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2295
2296         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2297         different size_t mangling on 32-bit targets.
2298
2299         PR libstdc++/86280
2300         * include/experimental/memory_resource
2301         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2302         enough for result of left shift.
2303
2304         PR libstdc++/86138
2305         * include/bits/basic_string.tcc:
2306         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2307         (basic_string<char>::_Rep::_S_empty_rep_storage)
2308         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2309         instantiation declarations.
2310         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2311         explicit instantiation declarations.
2312         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2313         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2314
2315 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2316
2317         PR libstdc++/83328
2318         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2319         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2320         * configure: Regenerate.
2321         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2322         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2323         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2324         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2325         definition.
2326         * include/debug/string (basic_string::insert(iterator, C)): Change
2327         first parameter to const_iterator.
2328         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2329         return type to iterator.
2330         (basic_string::insert(iterator, InputIterator, InputIterator)):
2331         Likewise.
2332         (basic_string::insert(iterator, initializer_list<C>)): Change first
2333         parameter to const_iterator and return type to iterator.
2334         * src/c++11/string-inst.cc: Extend comment.
2335         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2336         New.
2337         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2338         New.
2339         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2340
2341         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2342
2343         PR libstdc++/70940
2344         * include/experimental/memory_resource
2345         (__resource_adaptor_imp::do_deallocate): Add missing return.
2346         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2347         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2348         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2349         __gnu_cxx::malloc_allocator.
2350
2351         PR libstdc++/70940
2352         * include/experimental/memory_resource (__resource_adaptor_common):
2353         New base class.
2354         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2355         pointer from unaligned, and vice versa.
2356         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2357         allocated pointer to meet alignment request.
2358         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2359         original pointer for deallocation.
2360         (__resource_adaptor_imp::do_is_equal): Reformat.
2361         (__resource_adaptor_imp::_S_aligned_size): Remove.
2362         (__resource_adaptor_imp::_S_supported): Remove.
2363         (new_delete_resource): Use __gnu_cxx::new_allocator.
2364         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2365         extended alignments and use debug_allocator to check for matching
2366         allocate/deallocate pairs.
2367
2368 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2369
2370         * include/debug/safe_iterator.h
2371         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2372         Compare __x base iterator with a value-initialized iterator of the
2373         same type.
2374
2375 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2376
2377         PR libstdc++/70966
2378         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2379         static assertions to enforce requirements on pointer types.
2380         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2381         (new_delete_resource, null_memory_resource): Return address of an
2382         object with dynamic storage duration.
2383         (__null_memory_resource): Remove.
2384         * testsuite/experimental/memory_resource/70966.cc: New.
2385
2386         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2387         missed from recent commit.
2388
2389 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2390
2391         * include/std/utility: Remove unused <exception> header.
2392
2393 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2394
2395         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2396         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2397         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2398         a specialization of std::pair.
2399         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2400         pair elements are constructed correctly.
2401
2402         LWG 2989 hide path iostream operators from normal lookup
2403         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2404         friends.
2405         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2406
2407         LWG 3050 Fix cv-qualification of convertibility constraints
2408         * include/std/chrono (duration, operator*, operator/, operator%): Use
2409         const-qualified type as source type in is_convertible constraints.
2410         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2411         * testsuite/20_util/duration/cons/dr3050.cc: New.
2412         * testsuite/20_util/duration/literals/range.cc: Rename to...
2413         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2414         dg-error lineno.
2415
2416 2018-06-18  Maya Rashish  <coypu@sdf.org>
2417
2418         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2419         * configure: Rebuilt.
2420
2421 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2422
2423         P0754R2 <version> header
2424         * include/Makefile.am: Add new header.
2425         * include/Makefile.in: Regenerate.
2426         * include/bits/c++config: Change doxygen comment to suggest <version>
2427         instead of <iosfwd>.
2428         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2429         unconditionally.  Add C++17 and C++20 headers.
2430         * include/std/version: New header.
2431         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2432         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2433         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2434         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2435         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2436         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2437         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2438         New.
2439         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2440         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2441         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2442         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2443         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2444         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2445         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2446         New.
2447         * testsuite/18_support/headers/version/macros.cc: New.
2448         * testsuite/18_support/headers/version/macros.cc: New.
2449
2450         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2451         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2452         symlink.
2453         * config.h.in: Regenerate.
2454         * configure: Regenerate.
2455         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2456
2457         LWG 3035. std::allocator's constructors should be constexpr
2458         * include/bits/allocator.h (allocator): Add constexpr to constructors
2459         for C++2a. Replace dynamic exception specifications with NOTHROW
2460         macro.
2461         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2462         NOTHROW.
2463         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2464         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2465         to constructors for C++2a.
2466         * include/ext/new_allocator.h (new_allocator): Likewise.
2467
2468 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2469
2470         LWG 3076 basic_string CTAD ambiguity
2471         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2472         * include/bits/basic_string.h
2473         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2474         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2475         template constrained by _RequireAllocator.
2476         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2477         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2478         Define.
2479         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2480         deduction
2481         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2482         Likewise.
2483
2484 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2485
2486         PR libstdc++/86169
2487         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2488         (basic_string::data()): Unshare string.
2489         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2490         New.
2491
2492         * include/std/string_view (basic_string_view(const CharT*)): Remove
2493         check for null pointer and add nonnull attribute.
2494         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2495         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2496         (find_first_of(const CharT*, size_type))
2497         (find_last_of(const CharT*, size_type))
2498         (find_first_not_of(const CharT*, size_type))
2499         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2500         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2501         * testsuite/21_strings/basic_string_view/operations/compare/char/
2502         nonnull.cc: New.
2503         * testsuite/21_strings/basic_string_view/operations/find/char/
2504         nonnull.cc: New.
2505         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2506         nonnull.cc: New.
2507
2508         PR libstdc++/86168
2509         * include/bits/random.h (random_device(const string&)): Remove
2510         default argument.
2511
2512         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2513         define for C++17 and above.
2514
2515         LWG 2993 reference_wrapper<T> conversion from T&&
2516         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2517         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2518         (reference_wrapper(_Tp&&)): Remove.
2519         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2520         template.
2521         (reference_wrapper): Add deduction guide.
2522         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2523         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2524
2525         LWG 3039 Unnecessary decay in thread and packaged_task
2526         * include/std/future (__constrain_pkgdtask): Replace with ...
2527         (packaged_task::__not_same): New alias template, using
2528         __remove_cvref_t instead of decay.
2529         * include/std/thread (thread::__not_same): Add comment.
2530
2531 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2532
2533         LWG 3075 basic_string needs deduction guides from basic_string_view
2534         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2535         deduction from string views.
2536         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2537         Likewise.
2538
2539         LWG 3074 make scalar types non-deduced in valarray non-member functions
2540         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2541         scalar parameters to be a non-deduced context.
2542         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2543         whitespace.
2544         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2545         * testsuite/26_numerics/valarray/transcend.cc: New.
2546
2547         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2548         Move back to <utility>.
2549         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2550         Restore to here.
2551
2552         P0935R0 Eradicating unnecessarily explicit default constructors
2553         * include/backward/strstream (strstreambuf): Add non-explicit default
2554         constructor.
2555         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2556         Likewise.
2557         * include/bits/regex.h (match_results): Likewise.
2558         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2559         default constructor.
2560         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2561         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2562         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2563
2564         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2565         macro from <utility> and change type to long.
2566         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2567         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2568         macro.
2569
2570         P0935R0 Eradicating unnecessarily explicit default constructors
2571         * include/bits/random.h (uniform_real_distribution::param_type)
2572         (normal_distribution::param_type, lognormal_distribution::param_type)
2573         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2574         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2575         (student_t_distribution::param_type)
2576         (bernoulli_distribution::param_type)
2577         (binomial_distribution::param_type)
2578         (geometric_distribution::param_type)
2579         (negative_binomial_distribution::param_type)
2580         (poisson_distribution::param_type)
2581         (exponential_distribution::param_type)
2582         (weibull_distribution::param_type)
2583         (extreme_value_distribution::param_type): Add non-explicit default
2584         constructors. Remove default argument for first parameter of explicit
2585         constructors.
2586         * include/bits/uniform_int_dist.h
2587         (uniform_int_distribution::param_type): Likewise.
2588         * include/ext/random
2589         (beta_distribution::param_type, rice_distribution::param_type)
2590         (nakagami_distribution::param_type, pareto_distribution::param_type)
2591         (k_distribution::param_type, arcsine_distribution::param_type)
2592         (hoyt_distribution::param_type, triangular_distribution::param_type)
2593         (von_mises_distribution::param_type)
2594         (hypergeometric_distribution::param_type)
2595         (logistic_distribution::param_type)
2596         (uniform_inside_sphere_distribution::param_type): Likewise.
2597         (uniform_on_sphere_distribution::param_type): Make default constructor
2598         non-explicit.
2599         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2600         Test param_type for non-explicit default constructor.
2601         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2602         Likewise.
2603         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2604         Likewise.
2605         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2606         Likewise.
2607         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2608         Likewise.
2609         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2610         Likewise.
2611         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2612         Likewise.
2613         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2614         Likewise.
2615         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2616         Likewise.
2617         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2618         Likewise.
2619         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2620         Likewise.
2621         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2622         Likewise.
2623         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2624         Likewise.
2625         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2626         Likewise.
2627         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2628         Likewise.
2629         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2630         Likewise.
2631         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2632         Likewise.
2633         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2634         Likewise.
2635         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2636         Likewise.
2637         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2638         Likewise.
2639         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2640         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2641         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2642         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2643         Likewise.
2644         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2645         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2646         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2647         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2648         Likewise.
2649         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2650         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2651         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2652         Likewise.
2653         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2654         Likewise.
2655         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2656         Likewise.
2657         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2658         Likewise.
2659
2660 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2661             Jonathan Wakely  <jwakely@redhat.com>
2662
2663         PR libstdc++/83982
2664         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2665         Default-construct new elements before moving existing ones.
2666         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2667         New.
2668
2669 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2670
2671         PR libstdc++/86127
2672         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2673         unused typedef.
2674         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2675         Use node allocator to create and destroy elements.
2676         (forward_list::_Tp_alloc_type): Remove unused typedef.
2677         (forward_list::_Alloc_traits): Use allocator_traits instead of
2678         __gnu_cxx::__alloc_traits.
2679
2680 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2681
2682         * include/debug/helper_functions.h
2683         (__gnu_debug::_Safe_iterator<>): Add declaration.
2684         (__can_advance(_Ite, _Size)): New.
2685         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2686         * include/debug/functions.h
2687         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2688         * include/debug/stl_iterator.h
2689         (__can_advance(const _Safe_iterator<>&)): New definition.
2690         * include/debug/stl_iterator.h
2691         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2692         (__can_advance(const std::move_iterator<>&, _Size)): New.
2693         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2694         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2695         * include/bits/stl_algobase.h (fill_n): Use latter.
2696         * testsuite/25_algorithms/fill_n/2.cc: New.
2697         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2698         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2699         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2700         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2701
2702         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2703         (__glibcxx_requires_can_decrement_range): New.
2704
2705 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2706
2707         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2708         (__glibcxx_check_can_decrement_range): New.
2709         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2710         __glibcxx_requires_can_increment_range.
2711         (std::move(_II, _II, _OI)): Likewise.
2712         (std::copy_backward(_BI, _BI, _BI2)): Use
2713         __glibcxx_requires_can_decrement_range.
2714         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2715         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2716         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2717         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2718         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2719         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2720         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2721
2722 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2723
2724         P0935R0 Eradicating unnecessarily explicit default constructors
2725         * include/bits/random.h (linear_congruential_engine)
2726         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2727         (uniform_real_distribution, normal_distribution)
2728         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2729         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2730         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2731         (negative_binomial_distribution, exponential_distribution)
2732         (weibull_distribution, extreme_value_distribution): Add non-explicit
2733         default constructors. Remove default argument for first parameter of
2734         explicit constructors.
2735         (piecewise_constant_distribution, piecewise_linear_distribution):
2736         Make default constructor non-explicit.
2737         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2738         non-explicit default constructors. Remove default argument for first
2739         parameter of explicit constructor.
2740         * include/ext/random
2741         (simd_fast_mersenne_twister_engine, beta_distribution)
2742         (rice_distribution, nakagami_distribution, pareto_distribution)
2743         (k_distribution, arcsine_distribution, hoyt_distribution)
2744         (triangular_distribution, von_mises_distribution)
2745         (hypergeometric_distribution, logistic_distribution)
2746         (uniform_inside_sphere_distribution): Likewise.
2747         (uniform_on_sphere_distribution): Make default constructor
2748         non-explicit.
2749         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2750         Test for non-explicit default constructor. Fix references to standard.
2751         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2752         Likewise.
2753         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2754         Likewise.
2755         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2756         Likewise.
2757         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2758         Likewise.
2759         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2760         Likewise.
2761         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2762         Likewise.
2763         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2764         Likewise.
2765         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2766         Likewise.
2767         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2768         Likewise.
2769         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2770         Likewise.
2771         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2772         Likewise.
2773         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2774         Likewise.
2775         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2776         Likewise.
2777         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2778         Likewise.
2779         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2780         Likewise.
2781         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2782         Likewise.
2783         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2784         Likewise.
2785         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2786         Likewise.
2787         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2788         Likewise.
2789         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2790         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2791         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2792         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2793         Likewise.
2794         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2795         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2796         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2797         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2798         Likewise.
2799         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2800         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2801         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2802         Likewise.
2803         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2804         Likewise.
2805         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2806         Likewise.
2807         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2808         Likewise.
2809         * testsuite/util/testsuite_common_types.h
2810         (implicitly_default_constructible): New helper.
2811
2812 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2813
2814         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2815         (ios::Init::operator=): Define as defaulted.
2816         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2817         Likewise.
2818         * include/bits/stream_iterator.h (istream_iterator::operator=)
2819         (ostream_iterator::operator=): Likewise.
2820         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2821         Likewise.
2822         * include/std/bitset (bitset::reference::reference(const reference&)):
2823         Likewise.
2824         * include/std/complex (complex<float>::complex(const complex&))
2825         (complex<double>::complex(const complex&))
2826         (complex<long double>::complex(const complex&)): Likewise.
2827
2828 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2829
2830         * include/bits/regex.h (sub_match): Add noexcept to default
2831         constructor and length observer.
2832         (match_results): Add noexcept to default constructor and observers
2833         with no preconditions. Define destructor as defaulted.
2834         (operator==, operator!=, swap): Add noexcept.
2835         (regex_iterator): Add default member initializers and define default
2836         constructor and destructor as defaulted. Add noexcept to equality
2837         and dereference operators.
2838
2839 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2840
2841         * src/c++11/debug.cc
2842         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2843         (_Safe_iterator_base::_M_detach_single()): Likewise.
2844         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2845         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2846
2847 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2848
2849         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2850         move of const value.
2851
2852 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2853
2854         PR c++/86068
2855         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2856         rather than __cpp_transactional_memory >= 201505L.
2857
2858 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2859
2860         PR libstdc++/86008
2861         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2862         Define new partial specialization.
2863         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2864         new overload.
2865         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2866         value not reference for iteration.
2867         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2868         comment.
2869         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2870         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2871         comment.
2872
2873 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2874
2875         * include/std/type_traits: Fix comment typos.
2876
2877         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2878         mingw* targets.
2879         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2880         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2881         Likewise.
2882
2883 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2884
2885         * include/bits/stl_tempbuf.h
2886         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2887         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2888         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2889         * include/bits/stl_algo.h (__stable_partition): Adapt.
2890         (__inplace_merge): Adapt.
2891         (__stable_sort): Adapt.
2892
2893 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2894
2895         PR libstdc++/85930
2896         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2897         unconditionally. Remove redundant declaration.
2898         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2899         alignment-specifier.
2900
2901         * include/bits/postypes.h (fpos): Define special members as defaulted.
2902
2903         PR libstdc++/85930
2904         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2905         the static variable correctly.
2906
2907 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2908
2909         PR libstdc++/78870 support std::filesystem on Windows
2910         * config.h.in: Regenerate.
2911         * configure: Regenerate.
2912         * configure.ac: Check for link, readlink and symlink.
2913         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2914         definition out of class body.
2915         (path::is_absolute(), path::_M_append(path)): Likewise.
2916         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2917         (operator>>(basic_istream, path&)): Likewise.
2918         (u8path): Reorder definitions and fix Windows implementation.
2919         (path::is_absolute()): Define inline and fix for Windows.
2920         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2921         Define POSIX version inline.
2922         (path::_M_append(path)): Define inline.
2923         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2924         definition out of class body.
2925         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2926         escape characters.
2927         (operator>>(basic_istream, path&)): Likewise.
2928         (path::is_absolute()): Define inline and fix for Windows.
2929         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2930         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2931         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2932         Define as adaptors for Windows functions/types or as
2933         using-declarations for POSIX functions/types.
2934         (_Dir_base, get_file_type): Qualify names to use declarations from
2935         __gnu_posix namespace.
2936         (_Dir_base::is_dor_or_dotdot): New helper functions.
2937         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2938         names to use declarations from __gnu_posix namespace.
2939         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2940         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2941         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2942         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2943         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2944         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2945         Define as adaptors for Windows functions/types or as
2946         using-declarations for POSIX functions/types.
2947         (stat_type, do_copy_file): Qualify names to use declarations from
2948         __gnu_posix namespace.
2949         (do_space): Declare new function.
2950         (make_file_type): Only use S_ISLNK if defined.
2951         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2952         path::value_type not char.
2953         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2954         names to use declarations from __gnu_posix namespace.
2955         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2956         add implementation for Windows.
2957         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2958         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2959         [!_PC_PATH_MAX]: Don't use pathconf.
2960         [PATH_MAX]: Use if defined.
2961         (filesystem::current_path(const path&, error_code&))
2962         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2963         (filesystem::last_write_time, filesystem::permissions): Use names
2964         from __gnu_posix.
2965         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2966         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2967         implementation for Windows.
2968         (filesystem::rename, filesystem::resize_file): Use names from
2969         __gnu_posix.
2970         (filesystem::space): Use do_space.
2971         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2972         (filesystem::status, filesystem::symlink_status): Use names from
2973         __gnu_posix.
2974         (filesystem::temp_directory_path): Add implementation for Windows.
2975         * src/filesystem/path.cc (dot): Define constant.
2976         (path::replace_extension): Use dot.
2977         (path::_M_find_extension): Likewise. Use path::string_type not
2978         std::string.
2979         (path::_M_split_cmpts): Use dot.
2980         (filesystem_error::_M_get_what): Use u8string() not native().
2981         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
2982         Qualify names to use declarations from __gnu_posix namespace.
2983         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
2984         correct error_code.
2985         (filesystem::absolute(const path&, error_code&)): Add implementation
2986         for Windows.
2987         (char_ptr, filesystem::canonical): Use path::value_type not char.
2988         (do_copy_file): Use names from __gnu_posix.
2989         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
2990         sendfile.
2991         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2992         names to use declarations from __gnu_posix namespace.
2993         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2994         add implementation for Windows.
2995         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2996         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2997         [!_PC_PATH_MAX]: Don't use pathconf.
2998         [PATH_MAX]: Use if defined.
2999         (filesystem::current_path(const path&, error_code&))
3000         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3001         (filesystem::last_write_time, filesystem::permissions): Use names
3002         from __gnu_posix.
3003         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3004         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3005         implementation for Windows.
3006         (filesystem::rename, filesystem::resize_file): Use names from
3007         __gnu_posix.
3008         (do_space): Define.
3009         (filesystem::space): Use do_space.
3010         (filesystem::status, filesystem::symlink_status): Use names from
3011         __gnu_posix.
3012         (filesystem::temp_directory_path): Add implementation for Windows.
3013         * src/filesystem/std-path.cc
3014         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3015         Define for Windows.
3016         (dot): Define constant.
3017         (path::replace_extension, is_dot): Use dot.
3018         (path::lexically_normal): Check _M_type instead of calling
3019         non-existent function.
3020         (path::_M_find_extension): Use dot. Use path::string_type not
3021         std::string.
3022         (path::_M_split_cmpts): Use dot.
3023         (filesystem_error::_M_get_what): Use u8string() not native().
3024         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
3025         use symlinks.
3026         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3027         Likewise.
3028         * testsuite/27_io/filesystem/operations/absolute.cc: Use
3029         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
3030         * testsuite/27_io/filesystem/operations/canonical.cc: Use
3031         path::string() to get narrow string, not path::native().
3032         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
3033         with std::filesystem::path not std::basic_string.
3034         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3035         * testsuite/27_io/filesystem/operations/exists.cc: Use
3036         __gnu_test::root_path() instead of "/".
3037         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
3038         fstreams with std::filesystem::path not std::basic_string.
3039         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
3040         path::string() to get narrow string.
3041         * testsuite/27_io/filesystem/operations/space.cc: Check results for
3042         errors, expect sensible values otherwise.
3043         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
3044         helpers for adjusting the environment on Windows.
3045         * testsuite/27_io/filesystem/path/append/path.cc: Test
3046         Windows-specific behaviour.
3047         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
3048         of path::string_type objects.
3049         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
3050         string to wide string on Windows.
3051         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
3052         for backslash as root-directory.
3053         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
3054         path::string() to get narrow string.
3055         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
3056         paths.
3057         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
3058         not std::string.
3059         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
3060         different definintion of absolute paths on Windows.
3061         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3062         Do not use symlinks.
3063         * testsuite/experimental/filesystem/operations/absolute.cc: Test
3064         Windows behaviour.
3065         * testsuite/experimental/filesystem/operations/copy.cc: Construct
3066         fstreams with NTCTS not std::basic_string.
3067         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3068         * testsuite/experimental/filesystem/operations/exists.cc: Use
3069         __gnu_test::root_path() instead of "/".
3070         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
3071         fstreams with NTCTS not std::basic_string.
3072         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3073         Use path::string() to get narrow string.
3074         * testsuite/experimental/filesystem/operations/space.cc: Use
3075         __gnu_test::root_path() instead of "/".
3076         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3077         Add helpers for adjusting the environment on Windows.
3078         * testsuite/experimental/filesystem/path/append/path.cc: Use
3079         path::string() to get narrow strings for comparisons.
3080         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3081         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3082         Likewise.
3083         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3084         * testsuite/experimental/filesystem/path/native/string.cc: Use
3085         string_type not std::string.
3086         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
3087         Adjust for different definintion of absolute paths on Windows.
3088         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
3089         function.
3090         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
3091         std::basic_string.
3092
3093 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
3094
3095         PR libstdc++/85951
3096         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
3097         uint_least16_t and uint_least32_t.
3098         (__make_unsigned<wchar_t>): Define unconditionally.
3099         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
3100         typedefs.
3101         (__make_unsigned_selector_base): New type to provide helper templates.
3102         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
3103         __make_unsigned_selector_base helpers.
3104         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
3105         (__make_signed_selector<_Tp, true, false>): Remove intermediate
3106         typedefs.
3107         (__make_signed<wchar_t>, __make_signed<char16_t>)
3108         (__make_signed<char32_t>)): Define unconditionally.
3109         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
3110         wchar_t, char16_t and char32_t are transformed correctly.
3111         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
3112         dg-error lineno.
3113         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
3114         wchar_t, char16_t and char32_t are transformed correctly.
3115         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
3116         dg-error lineno.
3117
3118 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
3119
3120         * include/std/variant (__erased_dtor): Qualify call to __get.
3121
3122 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
3123
3124         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
3125         (_Rb_tree(const allocator_type&)): Use latter.
3126         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
3127         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
3128         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3129         * include/bits/stl_multimap.h
3130         (multimap(const allocator_type&)): Likewise.
3131         (multimap(initializer_list<value_type>, const allocator_type&)):
3132         Likewise.
3133         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
3134         Likewise.
3135         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
3136         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
3137         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3138         * include/bits/stl_multiset.h
3139         (multiset(const allocator_type&)): Likewise.
3140         (multiset(initializer_list<value_type>, const allocator_type&)):
3141         Likewise.
3142         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
3143         Likewise.
3144
3145 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
3146
3147         PR libstdc++/85768
3148         * src/c++11/debug.cc: Remove backtrace usage.
3149
3150 2018-05-24  Maya Rashish  <coypu@sdf.org>
3151
3152         PR target/85904
3153         * crossconfig.m4: Test for aligned_alloc on netbsd.
3154         * configure: Regenerate.
3155
3156 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3157
3158         PR libstdc++/69769
3159         PR libstdc++/85886
3160         * include/bits/atomic_base.h (__atomic_base::value_type)
3161         (__atomic_base::difference_type): Add new typedefs.
3162         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
3163         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
3164         (atomic<T*>::operator++, atomic<T*>::operator--)
3165         (atomic<T*>::operator+=, atomic<T*>::operator-=)
3166         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
3167         to enforce C++17 requirement on pointer arithmetic.
3168         (__atomic_val_t, __atomic_diff_t): New alias templates.
3169         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
3170         (atomic_compare_exchange_weak_explicit)
3171         (atomic_compare_exchange_strong_explicit, atomic_store)
3172         (atomic_exchange, atomic_compare_exchange_weak)
3173         (atomic_compare_exchange_strong): Use __atomic_val_t to make
3174         scalar parameters be non-deduced contexts.
3175         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3176         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
3177         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
3178         parameters.
3179         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
3180         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
3181         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
3182         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3183         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
3184         address types.
3185         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
3186         * testsuite/29_atomics/atomic/69769.cc: New test.
3187         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
3188         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3189         Disable test for C++17 and later.
3190         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3191         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3192         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3193         test.
3194
3195 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3196
3197         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3198         template to alias template.
3199         (path::__value_type_is_char): Use remove_const_t.
3200         (path:_S_string_from_iter): New helper function.
3201         (path::_S_convert(InputIter, __null_terminated))
3202         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3203         Use _S_string_from_iter.
3204         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3205         rep for COW strings.
3206         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3207         Change from class template to alias template.
3208         (path::__value_type_is_char): Use remove_const.
3209         (path:_S_string_from_iter): New helper function.
3210         (path::_S_convert(InputIter, __null_terminated))
3211         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3212         Use _S_string_from_iter.
3213         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3214         wide strings.
3215         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3216         string equality, not path equivalence.
3217         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3218         construction from std::string and std::wstring and input iterators.
3219         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3220         construction from iterators.
3221         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3222         exact string equality, not path equivalence.
3223         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3224         construction from iterators.
3225
3226         * include/bits/fs_path.h (path::_M_type): Change default member
3227         initializer to _Filename.
3228         (path::begin): Create past-the-end iterator for empty path.
3229         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3230         debugging check.
3231         (path::has_relative_path()): Return false for empty filenames.
3232         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3233         Fix offset of empty final component.
3234         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3235         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3236
3237 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3238
3239         Add support for opening file streams from wide character strings.
3240         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3241         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3242         Define new overload.
3243         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3244         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3245         Declare new overload.
3246         * configure.ac: Check for _wfopen.
3247         * crossconfig.m4: Likewise.
3248         * configure: Regenerate.
3249         * config.h.in: Regenerate.
3250         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3251         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3252         Define new overload.
3253         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3254         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3255         Declare new overload.
3256         [_GLIBCXX_HAVE__WFOPEN]
3257         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3258         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3259         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3260         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3261         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3262         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3263         new overloads.
3264         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3265         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3266         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3267         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3268         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3269         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3270         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3271
3272 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3273
3274         PR libstdc++/85845
3275         * include/bits/stl_tree.h
3276         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3277         qualification.
3278
3279 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3280
3281         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3282         paths.
3283         (weakly_canonical(const path&)): Do not call canonical on empty path.
3284         (weakly_canonical(const path&, error_code&)): Likewise.
3285         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3286
3287         PR libstdc++/85818
3288         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3289         dg-require-filesystem-ts.
3290
3291         PR libstdc++/85843
3292         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3293         initialize base class to avoid warnings.
3294
3295 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3296
3297         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3298         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3299         little_endian element in bitmask.
3300         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3301         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3302
3303 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3304
3305         * include/bits/stl_tree.h
3306         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3307         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3308         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3309         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3310         * include/debug/map.h
3311         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3312         * include/debug/multimap.h
3313         (multimap(multimap&&, const_allocator_type&)): Likewise.
3314         * include/debug/set.h
3315         (set(set&&, const_allocator_type&)): Likewise.
3316         * include/debug/multiset.h
3317         (multiset(multiset&&, const_allocator_type&)): Likewise.
3318         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3319         Add checks.
3320         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3321         Add checks.
3322         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3323         Add checks.
3324         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3325         Add checks.
3326         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3327         Add checks.
3328         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3329         Add checks.
3330         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3331         Add checks.
3332         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3333         Add checks.
3334
3335 2018-05-18  Jason Merrill  <jason@redhat.com>
3336
3337         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3338         for conversion to const_iterator.  Add defaulted copy ops.
3339         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3340         * libsupc++/exception.h (exception): Add defaulted copy ops.
3341         * include/std/system_error (system_error): Add defaulted copy ops.
3342         * include/std/stdexcept (domain_error, invalid_argument)
3343         (length_error, out_of_range, range_error, overflow_error)
3344         (underflow_error): Add defaulted copy ops.
3345         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3346         copy assignment.
3347         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3348         * include/ext/throw_allocator.h (condition_base): Add defaulted
3349         default and copy ctor and copy assignment.
3350
3351 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3352
3353         PR libstdc++/85098
3354         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3355         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3356         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3357         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3358         definitions.
3359         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3360         whitespace.
3361         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3362         braces around body of do-while.
3363         * testsuite/28_regex/basic_regex/85098.cc: New
3364
3365 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3366
3367         PR libstdc++/85818
3368         * src/filesystem/path.cc (path::preferred_separator): Add used
3369         attribute.
3370         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3371
3372         PR libstdc++/85812
3373         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3374         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3375         Refactor to separate non-throwing and throwing implementations.
3376         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3377         if constructing the object throws.
3378
3379 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3380
3381         PR libstdc++/85749
3382         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3383         (linear_congruential_engine, mersenne_twister_engine)
3384         (subtract_with_carry_engine, discard_block_engine)
3385         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3386         constrain function templates taking seed sequences.
3387         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3388         (mersenne_twister_engine::seed(_Sseq&))
3389         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3390         match declarations.
3391         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3392         __is_seed_seq to constrain function templates taking seed sequences.
3393         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3394         Change return type to match declaration.
3395         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3396         New.
3397         * testsuite/26_numerics/random/independent_bits_engine/cons/
3398         seed_seq2.cc: New.
3399         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3400         seed_seq2.cc: New.
3401         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3402         seed_seq2.cc: New.
3403         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3404         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3405         New.
3406         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3407         seed_seq2.cc: New.
3408         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3409         seed_seq2.cc: New.
3410
3411         PR libstdc++/83891
3412         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3413         for all operating systems.
3414         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3415         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3416         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3417         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3418
3419         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3420         unused <vector> header.
3421         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3422         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3423         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3424         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3425         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3426         Likewise.
3427         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3428         Likewise.
3429         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3430         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3431         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3432         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3433         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3434         Likewise.
3435         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3436         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3437         Likewise.
3438         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3439         Likewise.
3440         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3441         Likewise.
3442         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3443         Likewise.
3444         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3445         Likewise.
3446         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3447         Likewise.
3448         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3449         Likewise.
3450         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3451         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3452         Likewise.
3453
3454         PR libstdc++/84159
3455         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3456         temporary path before calling _M_append.
3457         (path::_M_append): Change parameter to path and implement C++17
3458         semantics.
3459         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3460         and more examples from the standard.
3461         * testsuite/27_io/filesystem/path/append/source.cc: New.
3462         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3463         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3464
3465         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3466         __invoke to prevent ADL.
3467
3468 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3469
3470         PR libstdc++/81256
3471         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3472         exceptions from _M_terminate_output().
3473         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3474         exceptions from close().
3475         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3476
3477         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3478         (__valarray_get_storage): Call operator new directly. Remove ignored
3479         top-level restrict qualifier and add malloc attribute instead.
3480         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3481
3482         PR libstdc++/67554
3483         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3484         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3485
3486         PR libstdc++/82966
3487         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3488         instead of type.
3489         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3490
3491 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3492
3493         PR libstdc++/80165
3494         * testsuite/20_util/variant/80165.cc: New.
3495
3496 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3497
3498         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3499         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3500         of C++11 containers with Debug Mode support.
3501         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3502         * doc/html/*: Regenerate.
3503
3504 2018-05-10  Jason Merrill  <jason@redhat.com>
3505
3506         * include/bits/regex_compiler.h (_S_cache_size): Change from
3507         function to variable.
3508
3509 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3510
3511         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3512         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3513         argument defaulted to +1.  Doxy comments on same.
3514         * testsuite/special_functions/02_assoc_legendre/
3515         check_value.cc: Regen.
3516         * testsuite/tr1/5_numerical_facilities/special_functions/
3517         02_assoc_legendre/check_value.cc: Regen.
3518
3519 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3520
3521         PR libstdc++/85729
3522         * include/bits/c++config.h (__replacement_assert): Add linkage
3523         specification.
3524         * include/bits/std_abs.h: Add comment to closing brace of block.
3525         * include/c_global/cstddef: Add linkage specification.
3526         * include/c_global/cstring: Likewise.
3527         * include/c_global/cwchar: Likewise.
3528
3529 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3530
3531         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3532         Rename in...
3533         (_Safe_iterator<>::_S_constant()): ...that.
3534         * include/debug/safe_local_iterator.h
3535         (_Safe_local_iterator<>::_M_constant()): Rename in...
3536         (_Safe_local_iterator<>::_S_constant()): ...that.
3537         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3538         (_Iterator_state::__rbegin): New.
3539         (_Iterator_state::__rmiddle): New.
3540         (_Iterator_state::__rend): New.
3541         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3542         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3543         iterator type.
3544         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3545         _Is_iterator)): Likewise.
3546         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3547         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3548         _Is_iterator)): New.
3549         (_Parameter(std::reverse_iterator<> const&, const char*,
3550         _Is_iterator)): New.
3551         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3552         const char*, _Is_iterator)): New.
3553         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3554         New.
3555         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3556         _Is_iterator)): New.
3557         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3558         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3559         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3560
3561 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3562
3563         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3564         Use constexpr if in C++17 mode.
3565         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3566         Copy from const object.
3567         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3568
3569 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3570
3571         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3572         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3573         backtrace.
3574
3575         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3576         * include/debug/functions.h (__check_valid_range): Use latter.
3577         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3578         use latter.
3579         * include/debug/deque
3580         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3581         * include/debug/forward_list
3582         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3583         Likewise.
3584         * include/debug/list
3585         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3586         * include/debug/list
3587         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3588         * include/debug/map.h
3589         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3590         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3591         Likewise.
3592         * include/debug/multimap.h
3593         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3594         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3595         const _Alloc&)): Likewise.
3596         * include/debug/set.h
3597         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3598         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3599         Likewise.
3600         * include/debug/multiset.h
3601         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3602         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3603         const _Alloc&)): Likewise.
3604         * include/debug/string
3605         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3606         Likewise.
3607         * include/debug/unordered_map
3608         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3609         Likewise.
3610         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3611         const _Alloc&)): Likewise.
3612         * include/debug/unordered_set
3613         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3614         Likewise.
3615         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3616         const _Alloc&)): Likewise.
3617         * include/debug/vector
3618         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3619
3620         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3621         (_Error_formatter(const char*, unsigned int)): Adapt.
3622         (_Error_formatter::_M_at): Rename in...
3623         (_Error_formatter::_S_at): ...that and adapt.
3624         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3625         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3626         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3627         when available.
3628
3629 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3630
3631         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3632         Use normal std::vector even in Debug Mode.
3633
3634         PR libstdc++/85672
3635         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3636         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3637         * include/Makefile.in: Regenerate.
3638         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3639         within conditional block.
3640
3641 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3642
3643         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3644         C++17 Filesystem implementation also needs -lstdc++fs.
3645
3646         PR libstdc++/85671
3647         * include/bits/fs_path.h (operator/): Permit copy elision.
3648         * include/experimental/bits/fs_path.h (operator/): Likewise.
3649
3650 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3651
3652         Moar PR libstdc++/80506
3653         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3654         Fix magic number used in loop condition.
3655
3656 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3657
3658         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3659         * include/std/optional (_Optional_payload): Add noexcept to default
3660         constructor. Re-indent.
3661         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3662         constructor for copying disengaged payloads.
3663         (_Optional_payload<_Tp, true, false, true>): Likewise.
3664         (_Optional_payload<_Tp, true, true, false>): Likewise.
3665         (_Optional_payload<_Tp, true, false, false>): Likewise.
3666         * testsuite/20_util/optional/cons/85642.cc: New.
3667         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3668
3669 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3670
3671         PR libstdc++/82644
3672         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3673         inline definitions instead of using-declarations.
3674         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3675         * testsuite/tr1/5_numerical_facilities/special_functions/
3676         07_conf_hyperg/compile_cxx17.cc: New.
3677         * testsuite/tr1/5_numerical_facilities/special_functions/
3678         17_hyperg/compile_cxx17.cc: New.
3679
3680         PR libstdc++/84769
3681         * include/std/variant (visit): Qualify std::get call.
3682
3683         PR libstdc++/85632 use uintmax_t for arithmetic
3684         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3685         arithmetic in result type.
3686         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3687         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3688         is greater than free space.
3689         * testsuite/experimental/filesystem/operations/space.cc: New.
3690
3691         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3692         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3693         New.
3694         * testsuite/20_util/remove_cvref/value.cc: New.
3695         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3696
3697         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3698         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
3699         (append(const basic_string&, size_type, size_type)
3700         (assign(const basic_string&, size_type, size_type)
3701         (insert(size_type, const basic_string&, size_type, size_type)
3702         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3703         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3704         Add default arguments (LWG 2268).
3705         [_GLIBCXX_USE_CXX11_ABI=0]
3706         (append(const basic_string&, size_type, size_type)
3707         (assign(const basic_string&, size_type, size_type)
3708         (insert(size_type, const basic_string&, size_type, size_type)
3709         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3710         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3711         Likewise.
3712         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3713
3714         PR libstdc++/84535
3715         * include/std/thread (thread::__not_same): New SFINAE helper.
3716         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3717         first argument is not a std::thread. Add static assertion to check
3718         INVOKE expression is valid.
3719         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3720         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3721         __invoke_result for return types and remove exception specifications.
3722         * testsuite/30_threads/thread/cons/84535.cc: New.
3723
3724         * include/std/future (__async_result_of): Use __invoke_result instead
3725         of result_of.
3726
3727         * include/std/any (any_cast): Use __remove_cvref_t.
3728         * include/std/tuple (__make_tuple): Likewise.
3729         * include/std/type_traits (__remove_cvref_t): Define.
3730         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3731         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3732         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3733
3734 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3735
3736         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3737         ensure overloaded comma not used.
3738         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3739         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3740         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3741         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3742         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3743         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3744         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3745
3746 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3747
3748         PR libstdc++/68197
3749         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3750         indices to unsigned.
3751         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3752         as failure. Refactor error handling.
3753         * testsuite/27_io/ios_base/storage/68197.cc: New.
3754
3755         PR libstdc++/57997
3756         PR libstdc++/83860
3757         * include/bits/gslice_array.h (gslice_array): Define default
3758         constructor as deleted, as per C++11 standard.
3759         * include/bits/mask_array.h (mask_array): Likewise.
3760         * include/bits/slice_array.h (slice_array): Likewise.
3761         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3762         to namespace __detail.
3763         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3764         members.
3765         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3766         of data members in closure objects.
3767         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3768         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3769         __detail.
3770         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3771         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3772         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3773         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3774         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3775         using-declarations to namespace std.
3776         * testsuite/26_numerics/valarray/83860.cc: New.
3777
3778         * testsuite/backward/strstream_move.cc: Remove duplicate function
3779         call.
3780
3781         PR libstdc++/69608
3782         * include/backward/strstream (strstreambuf): Define move constructor
3783         and move assignment operator.
3784         (istrstream, ostrstream, strstream): Likewise.
3785         * testsuite/backward/strstream_move.cc: New.
3786
3787 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3788
3789         PR libstdc++/84654
3790         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3791         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3792         * configure: Regenerate.
3793         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3794         based on ENABLE_FLOAT128.
3795         * include/Makefile.in: Regenerate.
3796         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3797         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3798         _GLIBCXX_USE_FLOAT128.
3799
3800 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3801
3802         * configure: Regenerated.
3803
3804 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3805
3806         * configure: Regenerated.
3807
3808 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3809             Jakub Jelinek  <jakub@redhat.com>
3810
3811         PR libstdc++/85442
3812         * src/c++11/Makefile.am: Don't generate debuginfo again for
3813         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3814         * src/c++11/Makefile.in: Regenerate.
3815
3816 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3817
3818         PR libstdc++/84442
3819         * testsuite/30_threads/thread/cons/terminate.cc
3820         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3821
3822 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3823
3824         PR jit/85384
3825         * configure: Regenerate.
3826
3827 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3828
3829         * testsuite/experimental/filesystem/file_status/1.cc: Add
3830         -DUSE_FILESYSTEM_TS to dg-options.
3831         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3832         Likewise.
3833         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3834         * testsuite/experimental/filesystem/iterators/
3835         recursive_directory_iterator.cc: Likewise.
3836         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3837         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3838         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3839         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3840         * testsuite/experimental/filesystem/operations/create_directories.cc:
3841         Likewise.
3842         * testsuite/experimental/filesystem/operations/create_directory.cc:
3843         Likewise.
3844         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3845         Likewise.
3846         * testsuite/experimental/filesystem/operations/current_path.cc:
3847         Likewise.
3848         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3849         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3850         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3851         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3852         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3853         Likewise.
3854         * testsuite/experimental/filesystem/operations/permissions.cc:
3855         Likewise.
3856         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3857         Likewise.
3858         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3859         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3860         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3861         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3862         Likewise.
3863         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3864         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3865         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3866         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3867         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3868         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3869         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3870         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3871         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3872         * testsuite/experimental/filesystem/path/construct/default.cc:
3873         Likewise.
3874         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3875         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3876         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3877         Likewise.
3878         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3879         Likewise.
3880         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3881         Likewise.
3882         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3883         Likewise.
3884         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3885         Likewise.
3886         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3887         Likewise.
3888         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3889         Likewise.
3890         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3891         Likewise.
3892         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3893         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3894         Likewise.
3895         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3896         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3897         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3898         Likewise.
3899         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3900         Likewise.
3901         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3902         Likewise.
3903         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3904         Likewise.
3905         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3906         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3907         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3908         Likewise.
3909         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3910         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3911         Likewise.
3912         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3913         Likewise.
3914         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3915         Likewise.
3916         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3917         Likewise.
3918         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3919         Likewise.
3920         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3921         Likewise.
3922         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3923         Likewise.
3924         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3925         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3926         Likewise.
3927
3928 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3929
3930         * src/c++11/Makefile.am: Fix sed command.
3931         * src/c++11/Makefile.in: Regenerate.
3932
3933         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3934         handle mangled names starting with double underscores on darwin.
3935         * src/c++11/Makefile.in: Regenerate.
3936
3937 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3938
3939         * src/c++11/Makefile.am: Fix comment.
3940         * src/c++11/Makefile.in: Regenerate.
3941         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3942         * src/c++98/ios_failure.cc: Likewise.
3943
3944         * src/c++11/ios.cc: Remove redundant macro definition.
3945
3946 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3947
3948         * doc/xml/manual/abi.xml: Document header locations in recent
3949         releases.
3950         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3951         * doc/xml/manual/spine.xml: Update copyright years.
3952         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3953         undefined behaviour.
3954         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3955         * doc/html/*: Regenerate.
3956
3957 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3958
3959         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3960         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3961         * doc/xml/manual/containers.xml: Likewise.
3962         * doc/xml/manual/debug_mode.xml: Likewise.
3963         * doc/xml/manual/extensions.xml: Likewise.
3964         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3965         * doc/xml/manual/using.xml: Likewise.
3966         * doc/xml/manual/utilities.xml: Likewise.
3967
3968         PR libstdc++/85222
3969         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3970         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3971         * src/c++11/Makefile.in: Regenerate.
3972         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3973         New types.
3974         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3975         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3976         * src/c++98/ios_failure.cc (__construct_ios_failure)
3977         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3978         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3979         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3980         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3981         handler types, to always catch std::ios_base::failure.
3982         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3983         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3984         exceptions_failbit.cc: Likewise.
3985         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3986         exceptions_failbit.cc: Likewise.
3987         * testsuite/27_io/basic_istream/extractors_other/char/
3988         exceptions_null.cc: Likewise.
3989         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3990         exceptions_null.cc: Likewise.
3991         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3992         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3993         * testsuite/27_io/basic_ostream/inserters_other/char/
3994         exceptions_null.cc: Likewise.
3995         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3996         exceptions_null.cc: Likewise.
3997         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3998
3999 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
4000
4001         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
4002         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
4003
4004 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
4005
4006         PR libstdc++/85183
4007         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
4008         value categories.
4009         * testsuite/20_util/variant/85183.cc: New.
4010
4011 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
4012
4013         * include/std/variant (__get): Qualify calls to avoid ADL.
4014         (__select_index): Adjust whitespace.
4015         (variant): Add using-declaration to workaround Clang bug.
4016
4017 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
4018
4019         PR libstdc++/85040
4020         * include/bits/stl_function.h (greater::__not_overloaded)
4021         (less::__not_overloaded, greater_equal::__not_overloaded)
4022         (less_equal::__not_overloaded): Fix ambiguous specializations.
4023         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
4024         tests for type with overloaded operators.
4025
4026 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4027
4028         PR libstdc++/77691
4029         * testsuite/experimental/memory_resource/resource_adaptor.cc:
4030         xfail execution on 32-bit Solaris/x86.
4031
4032 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
4033
4034         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
4035         VERIFY instead of assert.
4036         * testsuite/20_util/hash/84998.cc: New test.
4037         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
4038         copy of test adjusted for Debug Mode.
4039         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
4040         test in Debug Mode.
4041
4042 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
4043
4044         PR libstdc++/84998
4045         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
4046         * include/std/bitset: Likewise.
4047         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
4048         declaration.
4049         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
4050         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
4051         * include/bits/stl_set.h (std::set<>): Likewise.
4052         * include/bits/unordered_map.h (std::unordered_map<>): Fix
4053         _Hash_merge_helper friend declaration.
4054         (std::unordered_multimap<>): Likewise.
4055         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
4056         (std::unordered_multiset<>): Likewise.
4057
4058 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4059
4060         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
4061         trailing slash for domain level link.
4062         * doc/xml/faq.xml: Ditto.
4063         * doc/xml/manual/appendix_free.xml (software): Ditto.
4064         * doc/xml/manual/intro.xml: Ditto.
4065         * doc/xml/manual/spine.xml: Ditto.
4066         * doc/xml/spine.xml: Ditto.
4067
4068 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4069
4070         * doc/xml/manual/documentation_hacking.xml: Adjust link to
4071         docbook.org.
4072
4073 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
4074
4075         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
4076         to compile as C++98.
4077
4078 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
4079
4080         PR libstdc++/78420
4081         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
4082         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
4083         to ensure total order for pointers.
4084         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
4085         Add operator() overloads for pointer arguments and make generic
4086         overloads dispatch to new _S_cmp functions when comparisons would
4087         use built-in operators for pointers.
4088         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
4089
4090 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
4091
4092         PR libstdc++/84773
4093         PR libstdc++/83662
4094         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
4095         * configure: Regenerate.
4096         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
4097         (aligned_alloc): Add using-declaration.
4098         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
4099
4100 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
4101
4102         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
4103         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
4104         registration.
4105
4106 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
4107
4108         PR libstdc++/84769
4109         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
4110         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
4111
4112         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
4113         src/filesystem/std-ops.cc (create_dir): Likewise.
4114
4115 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
4116
4117         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
4118         (StdListIteratorPrinter): Inherit from latter.
4119         (StdFwdListIteratorPrinter): New, inherit from latter.
4120         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
4121         when iterator has no associated container.
4122         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
4123         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
4124         registrations.
4125         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
4126         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
4127
4128 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
4129
4130         PR libstdc++/84601
4131         * include/std/optional (_Optional_payload): Split into multiple
4132         specializations that can handle different cases of trivial or
4133         non-trivial assignment operators.
4134         * testsuite/20_util/optional/84601.cc: New.
4135         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4136
4137 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
4138
4139         PR libstdc++/84671
4140         * include/bits/parse_numbers.h (_Number_help): Add partial
4141         specialization to handle digit separators. Adjust partial
4142         specialization for recursion temrination to require _Pow == 1ULL.
4143         * testsuite/20_util/duration/literals/84671.cc: New
4144
4145 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
4146
4147         Implement the missing bits of LWG 2769
4148         * include/std/any (any_cast(const any&)): Add static_assert.
4149         (any_cast(any&)): Likewise.
4150         (any_cast(any&&)): Likewise, and remove the handling
4151         for copyable-but-not-movable type.
4152         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
4153         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
4154         add new tests.
4155
4156 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
4157
4158         PR libstdc++/84532
4159         * include/std/thread (thread::__make_invoker): Construct tuple
4160         directly instead of using make_tuple.
4161         * testsuite/30_threads/async/84532.cc: New.
4162         * testsuite/30_threads/thread/84532.cc: New.
4163
4164 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
4165
4166         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
4167         (template<> __aligned_buffer): Define as __aligned_membuf alias.
4168
4169 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4170
4171         PR target/84148
4172         * configure: Regenerate.
4173
4174 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
4175
4176         PR libstdc++/81797
4177         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
4178         * configure: Regenerate.
4179         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
4180         defined.
4181         * include/Makefile.in: Regenerate.
4182
4183 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
4184
4185         PR libstdc++/83833
4186         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
4187         Add -ffloat-store to options for m68k and ia32.
4188
4189         * doc/xml/faq.xml: Update copyright years.
4190         * doc/html/*: Regenerate.
4191
4192         PR libstdc++/83658
4193         * include/std/any (any::__do_emplace): Only set _M_manager after
4194         constructing the contained object.
4195         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4196         * testsuite/20_util/any/modifiers/83658.cc: New test.
4197
4198 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4199
4200         PR libstdc++/81076
4201         * include/c_global/cstddef (__byte_operand): Define primary template.
4202         * testsuite/18_support/byte/81076.cc: New test.
4203
4204 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4205
4206         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4207         dg-options and dg-add-options order.
4208         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4209         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4210         Likewise.
4211         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4212         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4213         Likewise.
4214         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4215         Likewise.
4216         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4217         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4218         Likewise.
4219         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4220         Likewise.
4221         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4222         Likewise.
4223         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4224         Likewise.
4225         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4226         Likewise.
4227         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4228         Likewise.
4229         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4230         Likewise.
4231         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4232         Likewise.
4233         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4234         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4235         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4236         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4237         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4238         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4239         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4240         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4241         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4242         Likewise.
4243         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4244         Likewise.
4245         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4246         Likewise.
4247         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4248         Likewise.
4249
4250 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4251
4252         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4253         include linux/types.h when checking linux/random.h header.
4254         * config.h.in: Regenerate.
4255         * configure: Ditto.
4256         * src/c++11/random.cc: Conditionally include linux/types.h.
4257
4258 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4259
4260         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4261
4262 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4263
4264         PR libstdc++/83834
4265         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4266         pattern with exact match for std::cerr.
4267
4268 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4269
4270         PR libstdc++/83833
4271         * include/bits/random.h (chi_squared_distribution::param): Update
4272         gamma distribution parameter.
4273         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4274         test.
4275
4276         PR libstdc++/83830
4277         * include/std/type_traits (has_unique_object_representations_v): Add
4278         variable template.
4279         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4280         variable template.
4281
4282 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4283
4284         Make optional conditionally
4285         trivially_{copy,move}_{constructible,assignable}
4286         * include/std/optional (_Optional_payload): Fix the comment in
4287         the class head and turn into a primary and one specialization.
4288         (_Optional_payload::_M_engaged): Strike the NSDMI.
4289         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4290         New.
4291         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4292         Likewise.
4293         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4294         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4295         (_Optional_base_impl): Likewise.
4296         (_Optional_base): Turn into a primary and three specializations.
4297         (optional(nullopt)): Change the base init.
4298         * testsuite/20_util/optional/assignment/8.cc: New.
4299         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4300         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4301
4302 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4303
4304         PR libstdc++/80276
4305         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4306         (get_template_arg_list): New.
4307         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4308         instead.
4309         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4310         of strings and regular expressions.
4311         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4312         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4313         strip_inline_namespaces instead of strip_versioned_namespace.
4314         (add_one_type_printer): Prepend namespace to match argument.
4315         (register_type_printers): Add type printers for char16_t and char32_t
4316         string types and for types using cxx11 ABI. Update calls to
4317         add_one_template_type_printer to provide default argument dicts.
4318         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4319         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4320         basic_string<unsigned char> and basic_string<signed char>.
4321         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4322         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4323
4324 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4325
4326         PR libstdc++/81092
4327         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4328
4329 2018-01-13  Tim Shen  <timshen@google.com>
4330
4331         PR libstdc++/83601
4332         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4333         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4334         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4335
4336 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4337
4338         PR libstdc++/64054
4339         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4340         Remove dg-xfail-run-if.
4341
4342 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4343
4344         * include/bits/forward_list.h
4345         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4346         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4347         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4348         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4349         (_Fwd_list_impl()): Add noexcept qualification.
4350         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4351         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4352         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4353         (_Fwd_list_base()): Default.
4354         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4355         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4356         (forward_list<>()): Default.
4357         (forward_list<>(forward_list&&)): Default.
4358         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4359         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4360         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4361         * include/bits/forward_list.tcc
4362         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4363         _M_impl._M_head move assignment.
4364         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4365         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4366
4367 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4368
4369         PR libstdc++/80276
4370         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4371         (UniquePointerPrinter): Print correct template argument, not type of
4372         the pointer.
4373         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4374         a type.
4375         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4376         array type.
4377         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4378         weak_ptr of array types.
4379
4380 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4381
4382         PR libstdc++/83709
4383         * include/bits/hashtable_policy.h
4384         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4385         __first != __last.
4386         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4387         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4388         Add false_type parameter.
4389         (_Insert_base::insert): Adapt.
4390         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4391         Adapt.
4392         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4393          Add __n_elt parameter, defaulted to 1.
4394         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4395         policy _M_need_rehash.
4396         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4397         produce only 1 rehash if necessary.
4398         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4399         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4400
4401 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4402             Jonathan Wakely  <jwakely@redhat.com>
4403
4404         PR libstdc++/59253 (partial)
4405         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4406         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4407         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4408         children.
4409         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4410         of unique_ptr printer.
4411         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4412         output of shared_ptr printer.
4413
4414 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4415
4416         PR libstdc++/83626
4417         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4418         unnecessary symlink_status call.
4419         (remove_all(const path&, error_code&)): Use filesystem::remove.
4420         * src/filesystem/std-ops.cc: Likewise.
4421
4422         PR libstdc++/83279
4423         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4424         sendfile.
4425
4426         PR libstdc++/83626
4427         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4428         report an error for ENOENT.
4429         (remove_all(const path&)): Fix type of result variable.
4430         (remove_all(const path&, error_code&)): Use non-throwing increment
4431         for directory iterator. Call POSIX remove directly to avoid redundant
4432         calls to symlink_status. Do not report errors for ENOENT.
4433         * src/filesystem/std-ops.cc: Likewise.
4434         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4435         overload.
4436         * testsuite/experimental/filesystem/operations/remove_all.cc:
4437         Likewise.
4438
4439 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4440
4441         PR libstdc++/83626
4442         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4443         redundant call to ec.clear().
4444         (remove_all(const path&, error_code&))): Do not return an error for
4445         non-existent paths.
4446         * src/filesystem/std-ops.cc: Likewise.
4447         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4448         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4449         results for non-existent paths.
4450         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4451         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4452         expected results for non-existent paths.
4453
4454         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4455         check status_known once.
4456         * include/experimental/bits/fs_ops.h: Likewise.
4457
4458         PR libstdc++/83607
4459         * include/std/functional (__is_byte_like): New trait.
4460         (__is_std_equal_to): Remove.
4461         (__boyer_moore_base_t): Use __is_byte_like instead of
4462         __is_std_equal_to.
4463         * include/experimental/functional (__is_std_equal_to): Remove.
4464         (__boyer_moore_base_t): Use __is_byte_like instead of
4465         __is_std_equal_to.
4466         * testsuite/20_util/function_objects/83607.cc: New test.
4467
4468 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4469
4470         Protect optional's deduction guide with the feature macro
4471         * include/std/optional: Use the feature macro.
4472
4473 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4474
4475         Update copyright years.
4476 \f
4477 Copyright (C) 2018 Free Software Foundation, Inc.
4478
4479 Copying and distribution of this file, with or without modification,
4480 are permitted in any medium without royalty provided the copyright
4481 notice and this notice are preserved.