libstdc++-v3/ChangeLog

   1 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
   2
   3         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
   4         -fno-show-column in default cxxflags.
   5
   6 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
   7
   8         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
   9
  10 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
  11
  12         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
  13         Custom Memory Allocation".
  14
  15 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
  16
  17         * doc/html/*: Regenerate.
  18
  19 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
  20
  21         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
  22         to https.
  23
  24 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
  25
  26         * doc/xml/manual/policy_data_structures_biblio.xml: Update
  27         link to Microsoft Component Model Object Technologies.
  28
  29 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
  30
  31         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
  32         site now uses https. Also omit the unnecessary trailing slash.
  33         * doc/xml/gnu/gpl-3.0.xml: Ditto.
  34
  35 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
  36
  37         * include/debug/functions.h
  38         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
  39         const _InputIter&, __true_type)): Use empty() rather than begin() ==
  40         end().
  41
  42 2018-09-25  Mike Crowe  <mac@mcrowe.com>
  43
  44         * include/std/condition_variable (condition_variable::wait_for): Use
  45         steady clock in overload that uses a predicate.
  46
  47 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
  48
  49         PR libstdc++/87431
  50         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
  51         Avoid runtime test when all alternatives are scalars and so cannot
  52         throw during initialization.
  53
  54 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
  55
  56         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
  57         to https.
  58
  59 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
  60
  61         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
  62         to "Priority Queues and the STL".
  63
  64 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
  65
  66         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
  67         https.
  68
  69 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
  70
  71         PR libstdc++/87135
  72         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
  73         Use __builtin_floor to compute _M_next_resize.
  74         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
  75         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
  76         Adapt.
  77
  78 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
  79
  80         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
  81         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
  82         long double unconditionally, but use lower tolerance when
  83         sizeof(long double) == sizeof(double).
  84
  85 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
  86
  87         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
  88         on arm*.
  89
  90 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
  91
  92         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
  93         Remove __glibcxx_assert statements and use map::find instead of
  94         map::operator[].
  95
  96 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
  97
  98         PR libstdc++/87135
  99         * src/c++11/hashtable_c++0x.cc:
 100         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
 101         requested size, but not necessarily greater.
 102         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
 103         strictly greater than next resize threshold.
 104         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
 105         to validate that there is no rehash as long as number of insertion is
 106         lower or equal to the reserved number of elements.
 107
 108 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
 109
 110         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
 111         checking invocable condition.
 112         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
 113         here, where types must be complete. Pass pointer to deleter as an
 114         rvalue.
 115         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
 116
 117 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
 118
 119         * include/std/variant (variant) [__clang__]: Limit workaround to
 120         Clang 7 and older.
 121
 122 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
 123
 124         PR libstdc++/87278
 125         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
 126         remove_const.
 127         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
 128
 129         Implement LWG 2905 changes to constrain unique_ptr constructors
 130         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
 131         check deleter type.
 132         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
 133         constructible constraint.
 134         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
 135         deleters of reference type and add move constructible constraint.
 136         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
 137         Disable for deleters of non-reference type. Define as deleted.
 138         (unique_ptr<T[], D>): Likewise.
 139         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
 140         directives with unstable line numbers with dg-prune-output.
 141         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
 142         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
 143         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
 144         Make deleter types invocable.
 145
 146 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
 147
 148         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
 149
 150 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
 151
 152         PR libstdc++/78179
 153         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
 154         that runs the long double part of hypot.cc.
 155         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
 156         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
 157
 158         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
 159         Return raw pointer not allocator's pointer type.
 160         (vector::_Temporary_value::_M_val): Use _M_ptr.
 161
 162         PR libstdc++/87194
 163         * include/bits/stl_map.h
 164         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
 165         (map::map(initializer_list<value_type>, const Alloc&))
 166         (map::map(InputIterator, InputIterator, const Alloc&))
 167         (map::map(InputIterator, InputIterator))
 168         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
 169         (map::insert(InputIterator, InputIterator)):
 170         Call _M_insert_range_unique instead of _M_insert_unique.
 171         * include/bits/stl_multimap.h
 172         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
 173         (multimap::multimap(initializer_list<value_type>, const A&))
 174         (multimap::multimap(InputIterator, InputIterator, const A&))
 175         (multimap::multimap(InputIterator, InputIterator))
 176         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
 177         (multimap::insert(InputIterator, InputIterator)): Call
 178         _M_insert_range_equal instead of _M_insert_equal.
 179         * include/bits/stl_multiset.h
 180         (multiset::multiset(InputIterator, InputIterator))
 181         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
 182         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
 183         (multiset::multiset(initializer_list<value_type>, const A&))
 184         (multiset::multiset(InputIterator, InputIterator, const A&))
 185         (multiset::insert(InputIterator, InputIterator)): Call
 186         _M_insert_range_equal instead of _M_insert_equal.
 187         * include/bits/stl_set.h
 188         (set::set(InputIterator, InputIterator))
 189         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
 190         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
 191         (set::set(initializer_list<value_type>, const Alloc&))
 192         (set::set(InputIterator, InputIterator, const Alloc&))
 193         (set::insert(InputIterator, InputIterator)):
 194         Call _M_insert_range_unique instead of _M_insert_unique.
 195         * include/bits/stl_tree.h
 196         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
 197         template for SFINAE constraints.
 198         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
 199         constrained overloads that either insert or emplace, depending on
 200         iterator's value_type.
 201         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
 202         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
 203         (_Rb_tree::_M_insert_range_equal): New functions replacing range
 204         versions of _M_insert_unique and _M_insert_equal.
 205         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
 206         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
 207         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
 208         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
 209         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
 210         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
 211
 212         PR libstdc++/78595
 213         * include/bits/stl_map.h (map::insert(_Pair&&))
 214         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
 215         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
 216         (multimap::insert(const_iterator, _Pair&&)): Likewise.
 217         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
 218         (unordered_map::insert(const_iterator, _Pair&&))
 219         (unordered_multimap::insert(_Pair&&))
 220         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
 221         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
 222         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
 223         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
 224         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
 225         test.
 226
 227 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
 228
 229         * include/debug/safe_iterator.h
 230         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
 231         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
 232         New.
 233         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 234         ::_OtherSelf): New.
 235         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
 236         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
 237         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
 238         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 239         ::operator+(difference_type)): Use latters, inline as friend.
 240         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 241         ::operator-(difference_type)): Likewise.
 242         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 243         Likewise.
 244         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 245         Likewise.
 246         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 247         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 248         Likewise.
 249         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 250         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 251         Likewise.
 252         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 253         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
 254         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
 255         * include/debug/safe_iterator.tcc
 256         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
 257         copy.
 258         * include/debug/safe_local_iterator.h
 259         (_Safe_local_iterator<_It, _Seq>::_Self): New.
 260         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
 261         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
 262         (operator==(const _Safe_local_iterator<>&,
 263         const _Safe_local_iterator<>&)): Use latter, inline as friend.
 264         (operator!=(const _Safe_local_iterator<>&,
 265         const _Safe_local_iterator<>&)): Likewise.
 266         * testsuite/util/testsuite_containers.h: Include utility.
 267         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
 268         parameter.
 269         (forward_members_unordered<>::forward_members_unordered(value_type&)):
 270         Add using namespace std::rel_ops.
 271         Add iterator_concept_checks on local_iterator and const_local_iterator.
 272         Add asserts on comparison between const_local_iterator and
 273         local_iterator.
 274         (struct forward_members_unordered<_Tp, false>): Remove partial
 275         specialization.
 276         * testsuite/23_containers/forward_list/types/1.cc: New.
 277         * testsuite/23_containers/list/types/1.cc: New.
 278
 279 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 280
 281         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
 282         references.
 283
 284 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
 285
 286         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
 287         Add dg-require-fileio.
 288         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
 289         Likewise.
 290         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
 291         Likewise.
 292         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
 293         Likewise.
 294         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
 295         Likewise.
 296         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 297         Likewise.
 298         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
 299         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
 300         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
 301         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
 302         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
 303         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
 304         Likewise.
 305         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
 306         Likewise.
 307         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
 308         Likewise.
 309         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 310         Likewise.
 311         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 312         Likewise.
 313         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 314         Likewise.
 315         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 316         Likewise.
 317         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 318         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 319         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 320         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 321         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 322         Likewise.
 323         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 324         Likewise.
 325         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 326         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 327         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 328         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 329         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 330         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 331         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 332         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 333         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 334         Likewise.
 335         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 336         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 337         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 338         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 339         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 340         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 341         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 342         Likewise.
 343         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 344
 345 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 346
 347         * testsuite/experimental/propagate_const/observers/1.cc: Make
 348         dependence on -fdelete-null-pointer-checks explicit.
 349
 350 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 351
 352         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 353         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 354         of the number of bits in the type.
 355         * include/std/bit (__ceil2): Avoid undefined shifts.
 356         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 357         the most signifiant bit set.
 358
 359         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 360
 361         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 362         pointer arithmetic using long long offsets.
 363         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 364         long long values.
 365
 366 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 367
 368         PR libstdc++/31413
 369         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 370         string for alternative format.
 371
 372 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 373
 374         PR libstdc++/87116
 375         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 376         a dot-dot filename, preserve an empty final component in the iteration
 377         sequence.
 378         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 379         root-directory.
 380         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 381         for more than two adjacent dot-dot filenames.
 382         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 383         preferred-separator in expected normalized strings.
 384
 385 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 386
 387         PR libstdc++/70694
 388         * configure.host (OPT_LDFLAGS): Don't append
 389         -fvisibility-inlines-hidden for newer Darwin.
 390
 391 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 392
 393         PR libstdc++/86822
 394         * libsupc++/new (operator new(size_t, nothrow_t), operator
 395         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 396         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 397
 398 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 399
 400         * include/debug/deque (std::__debug::deque): Declare.
 401         * include/debug/forward_list (std::__debug::forward_list): Declare.
 402         * include/debug/list (std::__debug::list): Declare.
 403         * include/debug/map (std::__debug::map): Declare.
 404         * include/debug/set (std::__debug::set): Declare.
 405         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 406         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 407         * include/debug/vector (std::__debug::vector): Declare.
 408         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 409         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 410         test.
 411         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 412         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 413         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 414         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 415         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 416         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 417         test.
 418         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 419         New test.
 420         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 421         New test.
 422         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 423         test.
 424         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 425         Adjust dg-error lineno.
 426         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 427         test.
 428
 429 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 430
 431         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 432         Only define when RTTI is enabled.
 433
 434         * include/debug/vector (__niter_base): Define for C++98.
 435
 436         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 437         Fix C++98 test to not use C++11 features.
 438         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 439
 440         * scripts/check_compile: Fix comments.
 441
 442         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 443         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 444         begin(), for C++98 compatibility.
 445
 446         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 447         (basic_string::__const_iterator): Change access to protected.
 448         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 449         as typedef for iterator.
 450         * include/debug/string (__const_iterator): Use typedef from base.
 451         (insert(const_iterator, _CharT))
 452         (replace(const_iterator, const_iterator, const basic_string&))
 453         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 454         (replace(const_iterator, const_iterator, const CharT*))
 455         (replace(const_iterator, const_iterator, size_type, _CharT))
 456         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 457         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 458         Change const_iterator parameters to __const_iterator.
 459         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 460         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 461         const_iterator parameter to __const_iterator.
 462         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 463         of base's member function.
 464         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 465         Likewise.
 466         (insert(const_iterator, initializer_list<_CharT>))
 467         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 468         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 469         target directive.
 470
 471         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 472         not use C++14 feature.
 473         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 474
 475         * testsuite/21_strings/basic_string/init-list.cc:
 476         Require cxx11-abi.
 477         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 478         Likewise.
 479         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 480         Likewise.
 481
 482         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 483         C++98 mode.
 484         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 485         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 486         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 487         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 488         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 489
 490 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 491
 492         PR libstdc++/87061
 493         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 494         (experimental::pmr::match_results, experimental::pmr::cmatch)
 495         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 496         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 497         because COW strings don't support C++11 allocator model.
 498         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 499         (experimental::pmr::basic_string, experimental::pmr::string)
 500         (experimental::pmr::u16string, experimental::pmr::u32string)
 501         (experimental::pmr::wstring): Likewise.
 502         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 503         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 504         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 505         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 506         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 507         cxx11-abi.
 508         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 509
 510         PR libstdc++/78448
 511         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 512         _S_check_init_len to check size.
 513         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 514         error if size would exceed max_size().
 515         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 516         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 517         size_t instead of size_type.
 518         (deq(size_type, const allocator_type&)
 519         (deq(size_type, const value_type&, const allocator_type&)
 520         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 521         (deque::max_size): Call _S_max_size.
 522         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 523         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 524         (vector(size_type, const value_type&, const allocator_type&))
 525         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 526         _S_check_init_len to check size.
 527         (vector::max_size): Call _S_max_size.
 528         (vector::_M_check_len): Prevent max from being expanded as a
 529         function-like macro.
 530         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 531         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 532         _S_check_init_len to check size.
 533         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 534         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 535
 536 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 537
 538         PR libstdc++/68222
 539         * include/debug/safe_iterator.h
 540         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 541         (_Safe_iterator<>::_Const_iterator): Remove.
 542         (_Safe_iterator<>::_IsConstant): New.
 543         (_Safe_iterator<>::_OtherIterator): New.
 544         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 545         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 546         __gnu_cxx::__enable_if condition.
 547         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 548         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 549         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 550         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 551         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 552         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 553         ::operator--()): ...here.
 554         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 555         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 556         ::operator--(int)): ...here.
 557         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 558         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 559         ::_M_decrementable()): ...here.
 560         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 561         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
 562         Move...
 563         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 564         ::operator[](const difference_type&)): ...here.
 565         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 566         Move...
 567         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 568         ::operator+=(const difference_type&)): ...here.
 569         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 570         Move...
 571         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 572         ::operator+(const difference_type&)): ...here.
 573         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 574         Move...
 575         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 576         ::operator-=(const difference_type&)): ...here.
 577         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 578         Move...
 579         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 580         ::operator-(const difference_type&)): ...here.
 581         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 582         Constraint to random access iterators.
 583         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 584         Likewise.
 585         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 586         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 587         Likewise.
 588         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 589         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 590         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 591         (__get_distance): Remove.
 592         (__get_distance_from_begin): Remove.
 593         (__get_distance_to_end): Remove.
 594         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 595         specialization.
 596         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 597         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 598         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 599         * include/debug/safe_iterator.tcc
 600         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 601         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 602         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 603         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 604         ::_M_valid_range): New.
 605         * include/debug/safe_local_iterator.h
 606         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 607         (_Safe_local_iterator<>::_IsConstant): New.
 608         (_Safe_local_iterator<>::_OtherIterator): New.
 609         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 610         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 611         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 612         with _MutIte rather than _It.
 613         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 614         (_Safe_local_iterator<>::_M_get_distance_to): New.
 615         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 616         (__get_distance(const _Safe_local_iterator<>&,
 617         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 618         (__valid_range(const _Safe_local_iterator<>&,
 619         const _Safe_local_iterator<>&)): New.
 620         * include/debug/safe_local_iterator.tcc
 621         (_Safe_local_iterator<>::_M_get_distance_to): New.
 622         * include/debug/deque (std::__debug::deque<>): Add
 623         ::__gnu_debug::_Safe_iterator<> friend declaration.
 624         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 625         * include/debug/list (std::__debug::list<>): Likewise.
 626         * include/debug/map.h (std::__debug::map<>): Likewise.
 627         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 628         * include/debug/set.h (std::__debug::set<>): Likewise.
 629         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 630         * include/debug/string (std::__debug::basic_string<>): Likewise.
 631         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 632         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 633         (std::__debug::unordered_multimap<>): Likewise.
 634         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 635         (std::__debug::unordered_multiset<>): Likewise.
 636         * include/debug/formatter.h: Adapt.
 637         * include/debug/helper_functions.h
 638         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 639         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 640         Pass parameter by copy.
 641         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 642         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 643         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 644         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 645         (__valid_range<>(const _Safe_iterator<>&,
 646         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 647         Declare.
 648         (__valid_range(const _Safe_local_iterator<>&,
 649         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 650         Declare.
 651         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 652         Declare.
 653         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 654         Declare.
 655         (__can_advance): Adapt.
 656         (struct __is_safe_random_iterator<>): Remove.
 657         (struct _SIter_base<>): Remove.
 658         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 659         (__check_dereferenceable): Remove.
 660         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 661         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 662         (__foreign_iterator): Adapt.
 663         * include/debug/stl_iterator.h
 664         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 665         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 666         Constraint for random access iterators.
 667         (__niter_base): Adapt.
 668         * testsuite/util/testsuite_containers.h:
 669         Include <bits/boost_concept_check.h>.
 670         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 671         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 672         latter for container iterator and const_iterator.
 673         * testsuite/23_containers/list/68222_neg.cc: New.
 674         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 675         line number.
 676         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 677         (test01): Remove.
 678         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 679         Remove.
 680
 681 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 682
 683         PR libstdc++/77854
 684         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 685         difference_type for containers.
 686         * doc/html/*: Regenerate.
 687
 688 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 689
 690         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 691         * include/debug/forward_list (forward_list::__remove_return_type):
 692         Define typedef as size_type or void, according to __cplusplus value.
 693         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 694         empty, according to __cplusplus value.
 695         (_GLIBCXX20_ONLY): Define macro.
 696         (forward_list::remove, forward_list::unique): Use typedef and macro
 697         to change return type and add abi-tag for C++2a. Return number of
 698         removed elements for C++2a.
 699         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 700         typedef to change return type for C++2a. Return number of removed
 701         elements for C++2a.
 702         * include/debug/list (list::__remove_return_type): Define typedef as
 703         size_type or void, according to __cplusplus value.
 704         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 705         empty, according to __cplusplus value.
 706         (_GLIBCXX20_ONLY): Define macro.
 707         (list::remove, list::unique): Use typedef and macro to change return
 708         type and add abi-tag for C++2a. Return number of removed elements for
 709         C++2a.
 710         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 711         to change return type for C++2a. Return number of removed elements for
 712         C++2a.
 713
 714 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
 715
 716         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
 717
 718 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
 719
 720         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
 721         redundant dg-do directive.
 722         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
 723         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
 724         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
 725         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
 726
 727 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
 728
 729         PR libstdc++/86963
 730         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
 731         (_Tuple_impl::_M_assign): New functions to perform assignment instead
 732         of assignment operators.
 733         (_Tuple_impl::_M_swap): Remove exception specification.
 734         (_Tuple_impl<_Idx, _Head>): Likewise.
 735         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
 736         (__tuple_base): Remove.
 737         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
 738         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
 739         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
 740         using __is_nothrow_swappable.
 741         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
 742
 743         * include/std/optional (_Optional_payload): Use variable templates
 744         for conditions in default template arguments and exception
 745         specifications.
 746         (optional): Likewise. Adjust indentation.
 747         (optional::__not_self, optional::__not_tag, optional::_Requires): New
 748         SFINAE helpers.
 749         (optional::optional): Use new helpers in constructor constraints.
 750         * include/std/type_traits (__or_v, __and_v): New variable templates.
 751         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
 752         dg-prune-output. Remove unused header.
 753
 754 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
 755
 756         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
 757         _GLIBCXX_DEBUG.
 758
 759 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
 760
 761         PR libstdc++/86963
 762         * include/std/tuple (__tuple_base): New class template with deleted
 763         copy assignment operator.
 764         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
 765         implicit copy/move assignment operator will be deleted/suppressed.
 766         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
 767         functions for SFINAE constraints on assignment operators.
 768         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
 769         New helper functions for exception specifications.
 770         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
 771         (tuple<_T1, _T2>::operator=(const tuple&))
 772         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
 773         __nonesuch_no_braces when the operator should be defined implicitly.
 774         Use __nothrow_assignable for exception specifications.
 775         (tuple::operator=(const tuple<_UElements...>&))
 776         (tuple::operator=(tuple<_UElements...>&&))
 777         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
 778         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
 779         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
 780         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
 781         __assignable and use __nothrow_assignable for exception
 782         specifications.
 783         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
 784         gdb.Type as first argument, instead of a string.
 785         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
 786         tuple for expected structure.
 787         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
 788         * testsuite/20_util/tuple/dr2729.cc: New test.
 789         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
 790         to dg-prune-output.
 791
 792 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
 793
 794         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
 795         about signed/unsigned comparison.
 796
 797         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
 798         deprecation warnings for using uncaught_exception().
 799
 800         PR libstdc++/86447
 801         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
 802         (logic_error::logic_error(logic_error&&))
 803         (logic_error::operator=(logic_error&&))
 804         (runtime_error::runtime_error(runtime_error&&))
 805         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
 806         moving, to avoid allocating empty reps for moved-from strings.
 807
 808 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
 809
 810         * include/experimental/regex: Remove begin/end macros for namespace.
 811         * include/experimental/string: Likewise.
 812         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
 813         New test.
 814         * testsuite/experimental/polymorphic_allocator/
 815         pmr_typedefs_forward_list.cc: New test.
 816         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
 817         New test.
 818         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
 819         New test.
 820         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 821         New test.
 822         * testsuite/experimental/polymorphic_allocator/
 823         pmr_typedefs_multimap.cc: New test.
 824         * testsuite/experimental/polymorphic_allocator/
 825         pmr_typedefs_multiset.cc: New test.
 826         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
 827         New test.
 828         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 829         New test.
 830         * testsuite/experimental/polymorphic_allocator/
 831         pmr_typedefs_unordered_map.cc: New test.
 832         * testsuite/experimental/polymorphic_allocator/
 833         pmr_typedefs_unordered_multimap.cc: New test.
 834         * testsuite/experimental/polymorphic_allocator/
 835         pmr_typedefs_unordered_multiset.cc: New test.
 836         * testsuite/experimental/polymorphic_allocator/
 837         pmr_typedefs_unordered_set.cc: New test.
 838         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
 839         New test.
 840
 841         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 842         calls to __uses_allocator_construct_impl and __use_alloc.
 843         * include/experimental/memory_resource
 844         (polymorphic_allocator::_M_construct): Remove.
 845         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 846         Qualify calls to __use_alloc.
 847         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 848         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 849         to _S_construct overloads.
 850         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 851         arguments to _S_construct_p.
 852         (polymorphic_allocator::_S_construct): Remove.
 853         (polymorphic_allocator::_S_construct_p): Return allocators by value
 854         not by reference.
 855         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 856         Qualify calls to __use_alloc.
 857         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 858         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 859         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 860         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 861         New test.
 862
 863         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 864         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 865
 866 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 867
 868         PR libstdc++/86954
 869         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 870         non-placement delete.
 871
 872         * include/std/chrono (__check_overflow): Simplify definition.
 873         (_Checked_integral_constant): Remove.
 874
 875         PR libstdc++/86846
 876         * src/c++17/default_resource.h: New file, defining default_res.
 877         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 878         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 879         using a mutex instead of atomics.
 880
 881         PR libstdc++/85343
 882         * config/abi/pre/gnu.ver: Export new symbol.
 883         * doc/xml/manual/abi.xml: Document new versions.
 884         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 885         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 886         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 887         Declare new overload.
 888         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 889         and static member function.
 890         (__throw_ios_failure(const char*, int)): Define.
 891         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 892         (__throw_ios_failure(const char*, int)): Define.
 893
 894 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 895
 896         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 897         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 898         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 899         copied/assigned rope iterators don't retain pointers to the iterator
 900         they were copied/assigned from.
 901         * testsuite/ext/rope/7.cc: New.
 902
 903 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 904
 905         PR libstdc++/45093
 906         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 907         Combine definitions to avoid --detect-odr-violations warning.
 908
 909         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 910         __is_pow2 to check for valid alignment. Avoid branching when rounding
 911         size to multiple of alignment.
 912
 913         * include/Makefile.am: Install <bit> and <version> for freestanding.
 914         * include/Makefile.in: Regenerate.
 915         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 916
 917         Revert
 918         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 919
 920         PR target/85904
 921         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 922         Newlib.
 923         * configure: Regenerate.
 924
 925 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 926
 927         PR libstdc++/68210
 928         * doc/xml/manual/intro.xml: Document LWG 206 change.
 929         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 930         * libsupc++/del_opa.cc: Likewise.
 931         * libsupc++/del_opant.cc: Likewise.
 932         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 933         of free(ptr).
 934         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 935         * libsupc++/del_opsa.cc: Likewise.
 936         * libsupc++/del_opva.cc: Likewise.
 937         * libsupc++/del_opvant.cc: Likewise.
 938         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 939         instead of operator delete(ptr).
 940         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 941         * libsupc++/del_opvsa.cc: Likewise.
 942         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 943         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 944         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 945         with noexcept.
 946         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 947         malloc(sz).
 948         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 949         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 950         operator new(sz, nothrow).
 951         * testsuite/18_support/new_nothrow.cc: New test.
 952
 953 2018-08-10  Martin Liska  <mliska@suse.cz>
 954
 955         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 956         predictor can handle that.
 957         * libsupc++/new_opa.cc: Likewise.
 958         * libsupc++/new_opnt.cc (new): Likewise.
 959
 960 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 961
 962         PR target/85904
 963         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 964         Newlib.
 965         * configure: Regenerate.
 966
 967 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 968
 969         * include/std/deque (std::pmr::deque): Declare alias.
 970         * include/std/forward_list (std::pmr::forward_list): Likewise.
 971         * include/std/list (std::pmr::list): Likewise.
 972         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 973         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 974         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 975         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 976         * include/std/string (std::pmr::basic_string, std::pmr::string)
 977         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 978         Likewise.
 979         * include/std/unordered_map (std::pmr::unordered_map)
 980         (std::pmr::unordered_multimap): Likewise.
 981         * include/std/unordered_set (std::pmr::unordered_set)
 982         (std::pmr::unordered_multiset): Likewise.
 983         * include/std/vector (std::pmr::vector): Likewise.
 984         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 985         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 986         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
 987         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
 988         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
 989         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
 990         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
 991         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
 992         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
 993         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
 994         test.
 995         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
 996         test.
 997         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
 998         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
 999         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
1000
1001 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
1002
1003         * include/bits/stl_algo.h
1004         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
1005         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
1006         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
1007         duplication...
1008         (rotate(_Ite, _Ite, _Ite)): ...here.
1009         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
1010         Simplify rotate call.
1011         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
1012         Likewise.
1013         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
1014         Likewise.
1015
1016 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
1017
1018         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
1019         avoid clashing with an ::aligned_alloc function that was not detected
1020         by configure.
1021
1022         * doc/xml/manual/using.xml: Fix markup for empty table entry.
1023         * doc/html/*: Regenerate.
1024
1025         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
1026         * doc/html/*: Regenerate.
1027
1028         PR libstdc++/86597
1029         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
1030         Clear error_code when cached type is used.
1031         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
1032
1033 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
1034
1035         PR libstdc++/86874
1036         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
1037         here instead of in _Move_assign_base.
1038         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
1039         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
1040         the contained value to another alternative.
1041         (_Move_assign_base::operator=): Likewise.
1042         (_Move_assign_base::_M_destructive_move): Remove.
1043         * testsuite/20_util/variant/86874.cc: New test.
1044
1045         PR libstdc++/86861
1046         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
1047         Replace macro with inline function.
1048         [__sun]: Increase alignment to meet memalign precondition.
1049         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
1050         (aligned_alloc): Move check for valid alignment to operator new.
1051         Remove redundant check for non-zero size, it's enforced by the caller.
1052         (operator new): Move check for valid alignment here. Use
1053         __builtin_expect on check for zero size.
1054
1055         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
1056         * include/std/memory_resource (monotonic_buffer_resource::release):
1057         Call _M_release_buffers to free buffers.
1058         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
1059         allocate a new buffer from upstream.
1060         (monotonic_buffer_resource::_M_new_buffer): Declare.
1061         (monotonic_buffer_resource::_M_release_buffers): Declare.
1062         (monotonic_buffer_resource::_Chunk): Replace definition with
1063         declaration as opaque type.
1064         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
1065         Define.
1066         (monotonic_buffer_resource::_M_new_buffer): Define.
1067         (monotonic_buffer_resource::_M_release_buffers): Define.
1068
1069 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
1070
1071         * include/bits/stl_iterator.h: Fix comment.
1072
1073 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
1074
1075         * src/c++11/system_error.cc
1076         (system_error_category::default_error_condition): Add workaround for
1077         ENOTEMPTY and EEXIST having the same value on AIX.
1078         * testsuite/19_diagnostics/error_category/system_category.cc: Add
1079         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
1080
1081 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1082
1083         * configure: Regenerate.
1084         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
1085         * src/c++11/futex.cc: Use __glibcxx_assert instead of
1086         _GLIBCXX_DEBUG_ASSERT.
1087
1088 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1089
1090         * include/std/condition_variable (wait_for): Use steady_clock.
1091
1092 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1093
1094         * include/std/condition_variable (wait_until): Only report timeout
1095         if we really have timed out when measured against the
1096         caller-supplied clock.
1097         * testsuite/30_threads/condition_variable/members/2.cc: Add test
1098         case to confirm above behaviour.
1099
1100 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1101
1102         PR libstdc++/60555
1103         * src/c++11/system_error.cc
1104         (system_error_category::default_error_condition): New override to
1105         check for POSIX errno values.
1106         * testsuite/19_diagnostics/error_category/generic_category.cc: New
1107         * testsuite/19_diagnostics/error_category/system_category.cc: New
1108         test.
1109
1110 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
1111
1112         PR libstdc++/86751
1113         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
1114         assignment operator.
1115         (pair): Derive from __pair_base.
1116         (pair::operator=): Remove deleted overload.
1117         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
1118         so that new base class isn't shown in GDB.
1119         * testsuite/20_util/pair/86751.cc: New test.
1120         * testsuite/20_util/pair/ref_assign.cc: New test.
1121
1122         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1123         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
1124         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
1125         instead of __has_builtin.
1126         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1127         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
1128         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
1129         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
1130         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
1131         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
1132         (__cpp_lib_has_unique_object_representations): Don't define when
1133         builtin not available.
1134         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
1135         Likewise.
1136         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
1137         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
1138         from here.
1139
1140         * doc/xml/manual/test.xml: Improve documentation on writing tests for
1141         newer standards.
1142         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
1143         * doc/html/*: Regenerate.
1144
1145         * include/ext/pointer.h [__cplusplus >= 201103L]
1146         (_Pointer_adapter::operator bool): Add explicit conversion operator
1147         to replace safe bool idiom.
1148
1149 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
1150
1151         PR libstdc++/86734
1152         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
1153         _S_to_pointer (LWG 1052, LWG 2118).
1154         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
1155         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
1156         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
1157
1158         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
1159         workaround for aligned_alloc bug on AIX.
1160         * testsuite/18_support/new_aligned.cc: New test.
1161
1162 2018-07-26  Marek Polacek  <polacek@redhat.com>
1163
1164         * testsuite/30_threads/condition_variable_any/cond.cc: New.
1165
1166 2018-07-26  Marek Polacek  <polacek@redhat.com>
1167
1168         * src/c++98/locale_init.cc: Fix #ifdef condition.
1169
1170 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1171
1172         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
1173         dg-require-cstdint directive.
1174         * testsuite/20_util/allocator/overaligned.cc: Likewise.
1175         * testsuite/20_util/any/cons/aligned.cc: Likewise.
1176         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
1177         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
1178         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1179         Likewise.
1180         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1181         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
1182         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
1183         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
1184         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
1185         random_device effective-target.
1186         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
1187         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
1188         * testsuite/25_algorithms/sample/2.cc: Likewise.
1189         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
1190         and random_device.
1191         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
1192         cstdint.
1193         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1194         Likewise.
1195         * testsuite/26_numerics/random/discard_block_engine/requirements/
1196         constexpr_data.cc: Likewise.
1197         * testsuite/26_numerics/random/discard_block_engine/requirements/
1198         constexpr_functions.cc: Likewise.
1199         * testsuite/26_numerics/random/independent_bits_engine/requirements/
1200         constexpr_functions.cc: Likewise.
1201         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1202         constexpr_data.cc: Likewise.
1203         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1204         constexpr_functions.cc: Likewise.
1205         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1206         constexpr_data.cc: Likewise.
1207         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1208         constexpr_functions.cc: Likewise.
1209         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1210         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1211         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1212         constexpr_data.cc: Add dg-require-cstdint directive.
1213         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1214         constexpr_functions.cc: Likewise.
1215         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1216         constexpr_data.cc: Likewise.
1217         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1218         constexpr_functions.cc: Likewise.
1219         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1220         64351.cc: Likewise.
1221         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1222         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1223         * testsuite/experimental/algorithm/sample.cc: Likewise.
1224         * testsuite/experimental/algorithm/search.cc: Likewise.
1225         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1226         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1227         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1228         Likewise.
1229         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1230         * testsuite/experimental/random/randint.cc: Likewise.
1231         * testsuite/experimental/source_location/1.cc: Likewise.
1232         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1233         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1234         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1235         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1236         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1237         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1238         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1239         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1240         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1241         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1242         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1243         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1244         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1245         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1246         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1247         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1248         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1249         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1250         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1251         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1252         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1253         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1254         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1255
1256         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1257         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1258         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1259         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1260         Likewise.
1261         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1262         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1263         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1264         Likewise.
1265         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1266         Likewise.
1267         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1268         Likewise.
1269         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1270         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1271         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1272         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1273         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1274         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1275         Likewise.
1276         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1277         Likewise.
1278         * testsuite/30_threads/recursive_timed_mutex/dest/
1279         destructor_locked.cc: Likewise.
1280         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1281         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1282         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1283         Likewise.
1284         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1285         typesizes.cc: Likewise.
1286         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1287         Likewise.
1288         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1289         Likewise.
1290         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1291         Likewise.
1292         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1293         Likewise.
1294         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1295         Likewise.
1296         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1297         Likewise.
1298         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1299         Likewise.
1300         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1301         Likewise.
1302         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1303         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1304         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1305         * testsuite/30_threads/scoped_lock/requirements/
1306         explicit_instantiation.cc: Likewise.
1307         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1308         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1309         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1310         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1311         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1312         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1313         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1314         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1315         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1316         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1317         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1318         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1319         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1320         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1321         * testsuite/30_threads/shared_future/requirements/
1322         explicit_instantiation.cc: Likewise.
1323         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1324         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1325         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1326         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1327         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1328         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1329         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1330         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1331         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1332         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1333         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1334         * testsuite/30_threads/shared_lock/requirements/
1335         explicit_instantiation.cc: Likewise.
1336         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1337         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1338         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1339         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1340         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1341         Likewise.
1342         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1343         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1344         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1345         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1346         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1347         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1348         * testsuite/30_threads/shared_timed_mutex/requirements/
1349         standard_layout.cc: Likewise.
1350         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1351         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1352         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1353         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1354         * testsuite/30_threads/this_thread/1.cc: Likewise.
1355         * testsuite/30_threads/this_thread/2.cc: Likewise.
1356         * testsuite/30_threads/this_thread/3.cc: Likewise.
1357         * testsuite/30_threads/this_thread/4.cc: Likewise.
1358         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1359         * testsuite/30_threads/thread/70503.cc: Likewise.
1360         * testsuite/30_threads/thread/84532.cc: Likewise.
1361         * testsuite/30_threads/thread/adl.cc: Likewise.
1362         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1363         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1364         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1365         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1366         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1367         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1368         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1369         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1370         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1371         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1372         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1373         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1374         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1375         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1376         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1377         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1378         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1379         * testsuite/30_threads/thread/members/1.cc: Likewise.
1380         * testsuite/30_threads/thread/members/2.cc: Likewise.
1381         * testsuite/30_threads/thread/members/3.cc: Likewise.
1382         * testsuite/30_threads/thread/members/4.cc: Likewise.
1383         * testsuite/30_threads/thread/members/5.cc: Likewise.
1384         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1385         Likewise.
1386         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1387         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1388         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1389         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1390         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1391         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1392         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1393         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1394         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1395         Likewise.
1396         * testsuite/30_threads/timed_mutex/requirements/
1397         standard_layout.cc: Likewise.
1398         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1399         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1400         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1401         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1402         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1403         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1404         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1405         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1406         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1407         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1408         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1409         * testsuite/30_threads/try_lock/1.cc: Likewise.
1410         * testsuite/30_threads/try_lock/2.cc: Likewise.
1411         * testsuite/30_threads/try_lock/3.cc: Likewise.
1412         * testsuite/30_threads/try_lock/4.cc: Likewise.
1413         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1414         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1415         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1416         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1417         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1418         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1419         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1420         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1421         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1422         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1423         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1424         * testsuite/30_threads/unique_lock/requirements/
1425         explicit_instantiation.cc: Likewise.
1426         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1427
1428         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1429         directive.
1430         * testsuite/30_threads/async/49668.cc: Likewise.
1431         * testsuite/30_threads/async/54297.cc: Likewise.
1432         * testsuite/30_threads/async/84532.cc: Likewise.
1433         * testsuite/30_threads/async/any.cc: Likewise.
1434         * testsuite/30_threads/async/async.cc: Likewise.
1435         * testsuite/30_threads/async/except.cc: Likewise.
1436         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1437         * testsuite/30_threads/async/launch.cc: Likewise.
1438         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1439         * testsuite/30_threads/async/sync.cc: Likewise.
1440         * testsuite/30_threads/call_once/39909.cc: Likewise.
1441         * testsuite/30_threads/call_once/49668.cc: Likewise.
1442         * testsuite/30_threads/call_once/60497.cc: Likewise.
1443         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1444         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1445         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1446         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1447         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1448         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1449         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1450         Likewise.
1451         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1452         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1453         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1454         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1455         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1456         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1457         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1458         Likewise.
1459         * testsuite/30_threads/condition_variable/requirements/
1460         standard_layout.cc: Likewise.
1461         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1462         * Likewise.
1463         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1464         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1465         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1466         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1467         Likewise.
1468         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1469         Likewise.
1470         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1471         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1472         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1473         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1474         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1475         * testsuite/30_threads/future/cons/default.cc: Likewise.
1476         * testsuite/30_threads/future/cons/move.cc: Likewise.
1477         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1478         * testsuite/30_threads/future/members/45133.cc: Likewise.
1479         * testsuite/30_threads/future/members/get.cc: Likewise.
1480         * testsuite/30_threads/future/members/get2.cc: Likewise.
1481         * testsuite/30_threads/future/members/share.cc: Likewise.
1482         * testsuite/30_threads/future/members/valid.cc: Likewise.
1483         * testsuite/30_threads/future/members/wait.cc: Likewise.
1484         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1485         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1486         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1487         Likewise.
1488         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1489         Likewise.
1490         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1491         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1492         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1493         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1494         * testsuite/30_threads/lock/1.cc: Likewise.
1495         * testsuite/30_threads/lock/2.cc: Likewise.
1496         * testsuite/30_threads/lock/3.cc: Likewise.
1497         * testsuite/30_threads/lock/4.cc: Likewise.
1498         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1499         * testsuite/30_threads/lock_guard/requirements/
1500         explicit_instantiation.cc: Likewise.
1501         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1502         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1503         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1504         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1505         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1506         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1507         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1508         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1509         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1510         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1511         Likewise.
1512         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1513         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1514         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1515         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1516         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1517         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1518         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1519         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1520         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1521         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1522         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1523         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1524         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1525         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1526         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1527         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1528         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1529         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1530         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1531         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1532         Likewise.
1533         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1534         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1535         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1536         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1537         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1538         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1539         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1540         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1541         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1542         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1543         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1544         * testsuite/30_threads/packaged_task/requirements/
1545         explicit_instantiation.cc: Likewise.
1546         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1547         * testsuite/30_threads/promise/60966.cc: Likewise.
1548         * testsuite/30_threads/promise/69106.cc: Likewise.
1549         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1550         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1551         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1552         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1553         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1554         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1555         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1556         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1557         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1558         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1559         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1560         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1561         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1562         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1563         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1564         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1565         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1566         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1567         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1568         * Likewise.
1569         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1570
1571         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1572         from namespace std.
1573         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1574         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1575         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1576         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1577         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1578         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1579         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1580         * testsuite/20_util/duration/cons/1.cc: Likewise.
1581         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1582         * testsuite/20_util/duration/cons/2.cc: Likewise.
1583         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1584         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1585         * testsuite/20_util/duration/requirements/explicit_instantiation/
1586         explicit_instantiation.cc: Likewise.
1587         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1588         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1589         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1590         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1591         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1592         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1593         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1594         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1595         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1596         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1597         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1598         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1599         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1600         * testsuite/20_util/system_clock/1.cc: Likewise.
1601         * testsuite/20_util/time_point/1.cc: Likewise.
1602         * testsuite/20_util/time_point/2.cc: Likewise.
1603         * testsuite/20_util/time_point/3.cc: Likewise.
1604         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1605         explicit_instantiation.cc: Likewise.
1606         * testsuite/21_strings/basic_string/requirements/
1607         explicit_instantiation/char16_t/1.cc: Likewise.
1608         * testsuite/21_strings/basic_string/requirements/
1609         explicit_instantiation/char32_t/1.cc: Likewise.
1610         * testsuite/21_strings/basic_string_view/requirements/
1611         explicit_instantiation/char16_t/1.cc: Likewise.
1612         * testsuite/21_strings/basic_string_view/requirements/
1613         explicit_instantiation/char32_t/1.cc: Likewise.
1614         * testsuite/21_strings/char_traits/requirements/
1615         explicit_instantiation/char16_t/1.cc: Likewise.
1616         * testsuite/21_strings/char_traits/requirements/
1617         explicit_instantiation/char32_t/1.cc: Likewise.
1618         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1619         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1620         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1621         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1622         Likewise.
1623         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1624         Likewise.
1625         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1626         Likewise.
1627         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1628         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1629         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1630         Likewise.
1631         * testsuite/experimental/string_view/requirements/
1632         explicit_instantiation/char16_t/1.cc: Likewise.
1633         * testsuite/experimental/string_view/requirements/
1634         explicit_instantiation/char32_t/1.cc: Likewise.
1635         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1636         1.cc: Likewise.
1637         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1638         1.cc: Likewise.
1639
1640         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1641         (random_condition, throw_value_random, throw_allocator_random)
1642         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1643         not usable.
1644         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1645         define transactional memory support when <stdint.h> is not usable.
1646
1647         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1648         implementation that doesn't depend on <stdint.h> types.
1649         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1650         std::size_t when std::uintptr_t is not usable.
1651         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1652         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1653         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1654
1655         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1656         (hash<u16string>, hash<u32string>): Remove dependency on
1657         _GLIBCXX_USE_C99_STDINT_TR1.
1658         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1659         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1660         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1661         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1662         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1663         (codecvt<char16_t, char, mbstate_t>)
1664         (codecvt<char32_t, char, mbstate_t>)
1665         (codecvt_byname<char16_t, char, mbstate_t>)
1666         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1667         on _GLIBCXX_USE_C99_STDINT_TR1.
1668         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1669         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1670         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1671         (char_traits<char16_t>, char_traits<char32_t>)
1672         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1673         on _GLIBCXX_USE_C99_STDINT_TR1.
1674         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1675         (u16string_view, u32string_view, hash<u16string_view>)
1676         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1677         (operator""sv(const char32_t, size_t)): Likewise.
1678         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1679         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1680         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1681         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1682         (__u32sso_string, __u32rc_string): Likewise.
1683         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1684         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1685         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1686         (u16string_view, u32string_view, hash<u16string_view>)
1687         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1688         (operator""sv(const char32_t, size_t)): Likewise.
1689         * src/c++11/codecvt.cc: Likewise.
1690         * src/c++98/locale_init.cc: Likewise.
1691         * src/c++98/localename.cc: Likewise.
1692
1693         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1694         (__atomic_futex_unsigned_base): Remove dependency on
1695         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1696         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1697         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1698         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1699         (uintmax_t): Define using predefined macros.
1700         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1701         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1702         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1703         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1704         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1705         long long when <stdint.h> is not usable.
1706         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1707         (condition_variable, condition_variable_any): Remove dependency on
1708         _GLIBCXX_USE_C99_STDINT_TR1.
1709         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1710         (packaged_task, async): Likewise.
1711         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1712         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1713         (once_flag, call_once): Likewise.
1714         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1715         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1716         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1717         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1718         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1719         (this_thread::sleep_until): Likewise.
1720         * src/c++11/chrono.cc: Remove dependency on
1721         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1722         * src/c++11/condition_variable.cc: Likewise.
1723         * src/c++11/futex.cc: Likewise.
1724         * src/c++11/future.cc: Likewise.
1725         * src/c++11/mutex.cc: Likewise.
1726         * src/c++11/thread.cc: Likewise.
1727         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1728         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1729         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1730         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1731         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1732         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1733
1734 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1735
1736         PR libstdc++/77691
1737         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1738         xfail execution on 32-bit Solaris/x86.
1739
1740 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1741
1742         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1743         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1744         (vector::_M_move_assign): Reorder the swaps.
1745
1746 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1747
1748         PR libstdc++/86676
1749         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1750         same alignment for post-release allocation.
1751
1752 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1753
1754         PR libstdc++/86676
1755         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1756         buffer being misaligned and so returned pointer not being at start.
1757
1758         * include/experimental/memory_resource: Include <cstddef> header.
1759
1760         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1761         * src/Makefile.am: Add comment.
1762         * src/c++17/Makefile.in: Regenerate.
1763
1764         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1765         * include/Makefile.in: Regenerate.
1766         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1767         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1768         (unique_lock): Move definition to ...
1769         * include/bits/unique_lock.h: New header.
1770         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1771         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1772         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1773         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1774         * include/std/condition_variable: Include <bits/unique_lock.h>.
1775         * include/std/mutex: Likewise.
1776
1777 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1778
1779         * config/abi/pre/gnu.ver: Export new symbols.
1780         * configure: Regenerate.
1781         * include/Makefile.am: Add new <memory_resource> header.
1782         * include/Makefile.in: Regenerate.
1783         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1784         * include/std/memory_resource: New header.
1785         (memory_resource, polymorphic_allocator, new_delete_resource)
1786         (null_memory_resource, set_default_resource, get_default_resource)
1787         (pool_options, monotonic_buffer_resource): Define.
1788         * src/Makefile.am: Add c++17 directory.
1789         * src/Makefile.in: Regenerate.
1790         * src/c++11/Makefile.am: Fix comment.
1791         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1792         * src/c++17/Makefile.in: Generate.
1793         * src/c++17/memory_resource.cc: New.
1794         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1795         (default_res, new_delete_resource, null_memory_resource)
1796         (set_default_resource, get_default_resource): Define.
1797         * testsuite/20_util/memory_resource/1.cc: New test.
1798         * testsuite/20_util/memory_resource/2.cc: New test.
1799         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1800         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1801         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1802         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1803         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1804         New test.
1805         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1806         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1807         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1808         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1809         Define concrete memory resource for testing.
1810         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1811         default resource.
1812
1813         PR libstdc++/86658
1814         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1815         parameter by reference, to avoid copying invalid iterators.
1816         * testsuite/25_algorithms/copy/86658.cc: New test.
1817
1818         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1819         local variables for number of digits instead of type aliases.
1820         (__log2p1): Remove redundant branch also checked in __countl_zero.
1821
1822         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1823         conditions. Add comments.
1824         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1825         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1826         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1827
1828         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1829         (__uses_allocator_helper): Check conditions directly instead of
1830         using __is_erased_or_convertible.
1831
1832         * include/experimental/memory_resource: Adjust comments and
1833         whitespace.
1834         (__resource_adaptor_imp): Add second template parameter for type of
1835         memory resource base class.
1836         (memory_resource): Define default constructor, destructor, copy
1837         constructor and copy assignment operator as defaulted.
1838
1839         PR libstdc++/70966
1840         * include/experimental/memory_resource (__get_default_resource): Use
1841         placement new to create an object with dynamic storage duration.
1842
1843 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1844
1845         PR libstdc++/70940
1846         * include/experimental/memory_resource
1847         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1848         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1849         give maximum alignment an allocator guarantees. Specialize for known
1850         allocators using new and malloc.
1851         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1852         (__resource_adaptor_imp::do_deallocate): Likewise.
1853         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1854         Check that new and delete are called with expected sizes.
1855
1856 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1857
1858         PR libstdc++/86595
1859         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1860         noexcept.
1861
1862 2018-07-20  Fangrui Song  <maskray@google.com>
1863
1864         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1865         _GLIBCXX_VISIBILITY(default).
1866
1867 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1868
1869         PR libstdc++/86603
1870         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1871
1872 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1873
1874         * include/std/type_traits (__is_member_object_pointer_helper): Use
1875         __not_<is_function<_Tp>>::type instead of integral_constant.
1876         (__is_member_function_pointer_helper): Likewise for
1877         is_function<_Tp>::type.
1878         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1879         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1880         (is_trivially_constructible): Remove redundant use of
1881         is_constructible.
1882         (__is_trivially_copy_assignable_impl): Remove redundant use of
1883         is_copy_assignable.
1884         (__is_trivially_move_assignable_impl): Remove redundant use of
1885         is_move_assignable.
1886         (is_trivially_destructible): Use __bool_constant.
1887         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1888         tests for scalar types.
1889
1890 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1891
1892         * include/bits/stl_algobase.h (__copy_move_a): Used
1893         __is_trivially_copyable.
1894         (__copy_move_backward_a): Likewise.
1895         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1896         New test.
1897
1898 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1899
1900         PR libstdc++/86450
1901         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1902         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1903         * configure: Regenerate.
1904         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1905         * doc/Makefile.in: Regenerate.
1906         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1907         * include/Makefile.in: Regenerate.
1908         * libsupc++/Makefile.in: Regenerate.
1909         * po/Makefile.in: Regenerate.
1910         * python/Makefile.in: Regenerate.
1911         * src/Makefile.in: Regenerate.
1912         * src/c++11/Makefile.in: Regenerate.
1913         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1914         from -Wabi=2 that don't affect exported symbols.
1915         * src/c++98/Makefile.in: Regenerate.
1916         * src/filesystem/Makefile.in: Regenerate.
1917         * testsuite/Makefile.in: Regenerate.
1918
1919         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1920         (_Async_state_common::_M_join): Simplify use of std::call_once and
1921         corresponding explicit instantiation.
1922         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1923         (__bind_simple): Remove definitions and explicit instantiation that
1924         are not required by exported symbols.
1925
1926 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1927
1928         * scripts/create_testsuite_files: Fix typo in comment.
1929
1930         PR libstdc++/86537
1931         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1932         non-standard partial specialization.
1933         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1934         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1935         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1936
1937 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1938
1939         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1940         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1941         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1942
1943 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1944
1945         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1946         * include/debug/string (__gnu_debug::__check_string): ... here.
1947         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1948         (__glibcxx_check_string_n_constructor): New.
1949         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1950         Use latter.
1951         (__glibcxx_check_string_constructor): New.
1952         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1953         Use latter.
1954         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1955         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1956
1957 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1958
1959         PR libstdc++/84928 use std::move in <numeric> algorithms
1960         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1961         conditionally move, according to __cplusplus value.
1962         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1963         _GLIBCXX_MOVE_IF_20.
1964         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1965         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1966         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1967         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1968
1969         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1970
1971         P0935R0 Eradicating unnecessarily explicit default constructors
1972         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1973         default constructor symbols.
1974         * include/std/sstream (basic_stringbuf, basic_istringstream)
1975         (basic_ostringstream, basic_stringstream): Remove default arguments
1976         from explicit constructors taking ios_base::openmode and add separate
1977         non-explicit default constructors.
1978         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1979         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1980         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1981         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1982         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1983
1984         * include/std/variant (__accepted_index): Use void_t.
1985
1986 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1987
1988         PR libstdc++/85831
1989         * config/abi/pre/gnu.ver: Export move constructors and move
1990         assignment operators for std::logic_error and std::runtime_error.
1991         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1992         _GLIBCXX_USE_NOEXCEPT.
1993         (logic_error, runtime_error): Declare move constructors and move
1994         assignment operators. When not declared already, define copy
1995         constructors and copy assignment operators as explicit-defaulted.
1996         (domain_error, invalid_argument, length_error, out_of_range)
1997         (overflow_error, underflow_error): Define move constructors and move
1998         assignment operators as explicitly-defaulted.
1999         * libsupc++/exception.h (exception): Likewise.
2000         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
2001         move constructors and move assignment operators as defaulted.
2002         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
2003         assignment operators are defined.
2004
2005         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
2006         COW strings.
2007         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2008         Likewise.
2009         * testsuite/21_strings/basic_string/requirements/
2010         explicit_instantiation/debug.cc: Likewise.
2011
2012         PR libstdc++/58265
2013         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2014         (basic_string::assign(basic_string&&)): Add conditional noexcept
2015         depending on the allocator's is_always_equal property (LWG 2063).
2016         * testsuite/21_strings/basic_string/modifiers/assign/char/
2017         move_assign.cc: Check for non-throwing exception specification.
2018         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2019         move_assign.cc: Likewise.
2020
2021         PR libstdc++/58265
2022         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2023         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
2024         Add GLIBCXX_NOEXCEPT.
2025         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
2026         to depend on the allocator's is_always_equal property (LWG 2063).
2027         (basic_string::swap(basic_string&)): Likewise.
2028         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
2029         (basic_string::swap(basic_string&)): Likewise.
2030         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
2031         Check is_nothrow_move_assignable.
2032         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
2033         Check is_nothrow_move_assignable.
2034         * testsuite/21_strings/basic_string/cons/char/
2035         noexcept_move_construct.cc: Likewise.
2036         * testsuite/21_strings/basic_string/cons/wchar_t/
2037         noexcept_move_construct.cc: Likewise.
2038
2039 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2040
2041         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2042         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
2043         Define.
2044         (forward_list::__remove_return_type): Define typedef as size_type or
2045         void, according to __cplusplus value.
2046         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2047         empty, according to __cplusplus value.
2048         (forward_list::remove, forward_list::unique): Use typedef and macro
2049         to change return type and add abi-tag for C++2a.
2050         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2051         typedef to change return type for C++2a.
2052         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
2053         (forward_list::remove, forward_list::remove_if<Pred>)
2054         (forward_list::unique<BinPred>): Return number of removed elements
2055         for C++2a.
2056         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
2057         (list::remove, list::unique, list::remove_if<Predicate>)
2058         (list::unique<BinaryPredicate>): Return number of removed elements
2059         for C++2a.
2060         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
2061         (list::__remove_return_type): Define typedef as size_type or
2062         void, according to __cplusplus value.
2063         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2064         empty, according to __cplusplus value.
2065         (list::remove, list::unique): Use typedef and macro to change return
2066         type and add abi-tag for C++2a.
2067         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
2068         typedef to change return type for C++2a.
2069         * include/std/version (__cpp_lib_list_remove_return_type): Define.
2070         * testsuite/23_containers/forward_list/operations/
2071         remove_cxx20_return.cc: New.
2072         * testsuite/23_containers/forward_list/operations/
2073         unique_cxx20_return.cc: New.
2074
2075         P0458R2 Checking for Existence of an Element in Associative Containers
2076         * include/bits/stl_map.h (map::contains): Add for C++2a.
2077         * include/bits/stl_multimap.h (multimap::contains): Likewise.
2078         * include/bits/stl_multiset.h (multiset::contains): Likewise.
2079         * include/bits/stl_set.h (set::contains): Likewise.
2080         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
2081         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
2082         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
2083         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
2084         * include/bits/unordered_map.h (unordered_map::contains)
2085         (unordered_multimap::contains): Add for C++2a.
2086         * include/bits/unordered_set.h (unordered_set::contains)
2087         (unordered_multiset::contains): Likewise.
2088         * testsuite/23_containers/map/operations/contains.cc: New.
2089         * testsuite/23_containers/multimap/operations/contains.cc: New.
2090         * testsuite/23_containers/multiset/operations/contains.cc: New.
2091         * testsuite/23_containers/set/operations/contains.cc: New.
2092         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
2093         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
2094         New.
2095         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
2096         New.
2097         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
2098
2099 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
2100
2101         PR libstdc++/86272
2102         * include/debug/string
2103         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
2104         Use __glibcxx_check_insert_range.
2105         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
2106         __gnu_debug::string when _GLIBCXX_DEBUG.
2107         * 21_strings/basic_string/init-list.cc: Likewise.
2108         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
2109         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
2110         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
2111         * 21_strings/basic_string/types/1.cc: Likewise.
2112
2113 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2114
2115         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
2116         target for std::random_device.
2117         * testsuite/26_numerics/random/random_device/cons/default.cc:
2118         Likewise.
2119         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2120         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2121         * testsuite/experimental/random/randint.cc: Likewise.
2122         * testsuite/lib/libstdc++.exp
2123         (check_effective_target_random_device): New proc.
2124
2125 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2126             Jakub Jelinek  <jakub@redhat.com>
2127
2128         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
2129
2130 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2131
2132         PR libstdc++/86398
2133         * include/std/type_traits (is_trivially_constructible): Check
2134         is_constructible before __is_trivially_constructible.
2135         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
2136         tests, including negative cases.
2137         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
2138         zero for dg-error lineno.
2139         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
2140         Likewise.
2141
2142         * include/std/bit (__rotl, __rotr): Avoid branch.
2143         (_If_is_unsigned_integer): Use remove_cv_t.
2144         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
2145
2146 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
2147
2148         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
2149         * include/Makefile.am: Add new header.
2150         * include/Makefile.in: Regenerate.
2151         * include/precompiled/stdc++.h: Include new header.
2152         * include/std/bit: New header.
2153         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
2154         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
2155         Define for C++14.
2156         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
2157         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
2158         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
2159         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
2160         std::byte.
2161         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
2162         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
2163         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
2164         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
2165         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
2166         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
2167         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
2168         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
2169         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
2170         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
2171
2172         * include/bits/alloc_traits.h: Remove redundant preprocessor
2173         condition.
2174
2175 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
2176
2177         * include/bits/stl_algobase.h (__niter_wrap): New.
2178         (__copy_move_a2(_II, _II, _OI)): Use latter.
2179         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
2180         (fill_n(_OI, _Size, const _Tp&)): Likewise.
2181         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
2182         * include/debug/stl_iterator.h
2183         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
2184         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
2185         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
2186         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
2187
2188 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
2189
2190         P0758R1 Implicit conversion traits
2191         * include/std/type_traits [__cplusplus > 201703]
2192         (__is_convertible_helper::__is_nothrow_type): Define new member.
2193         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
2194         noexcept.
2195         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
2196         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
2197         new members.
2198         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
2199         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
2200         * testsuite/20_util/is_nothrow_convertible/requirements/
2201         explicit_instantiation.cc: New.
2202         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
2203         New.
2204
2205         P0887R1 The identity metafunction
2206         * include/std/type_traits (type_identity, type_identity_t): Define
2207         for C++2a.
2208         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2209         * testsuite/20_util/type_identity/requirements/
2210         explicit_instantiation.cc:New.
2211         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2212
2213         * include/bits/regex.h (sub_match::operator string_type): Call str().
2214         (sub_match::compare): Use _M_str() instead of str().
2215         (sub_match::_M_compare): New public function.
2216         (sub_match::__string_view): New helper type.
2217         (sub_match::_M_str): New overloaded functions to avoid creating a
2218         string_type object when not needed.
2219         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2220         Use sub_match::_M_compare instead of creating string_type objects.
2221         Fix Doxygen comments.
2222         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2223         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2224         simplify.
2225         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2226         __enable_if_t.
2227         * include/std/type_traits (__enable_if_t): Define for C++11.
2228         * testsuite/28_regex/sub_match/compare.cc: New.
2229         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2230         trait.
2231         (input_iterator_wrapper): Use remove_cv for value_type argument of
2232         std::iterator base class.
2233
2234 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2235
2236         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2237         Add whitespace to dejagnu directive.
2238         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2239
2240 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2241
2242         * include/bits/stl_vector.h
2243         (struct _Vector_base<>::_Vector_impl_data): New.
2244         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2245         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2246         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2247         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2248         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2249         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2250         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2251         (_Vector_base()): Default.
2252         (_Vector_base(_Vector_base&&)): Default.
2253         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2254         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2255         (_Vector_base::_M_create_storage(size_t)): Make protected.
2256         (vector()): Default.
2257         (vector(vector&&)): Default.
2258         (vector(vector&&, const allocator_type&, true_type)): New.
2259         (vector(vector&&, const allocator_type&, false_type)): New.
2260         (vector(vector&&, const allocator_type&)): Use latters.
2261         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2262         _M_range_initialize directly.
2263         * include/debug/vector
2264         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2265         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2266         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2267         static assertions.
2268
2269 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2270
2271         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2272         (__is_byte<byte>): Define specialization for std::byte.
2273
2274         PR libstdc++/86138
2275         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2276         Declare explicit instantiations of COW empty reps and I/O functions.
2277
2278 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2279
2280         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2281         directives.
2282         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2283
2284 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2285
2286         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2287         noexcept.
2288
2289 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2290
2291         PR libstdc++/86112
2292         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2293         Replace dict comprehension.
2294
2295         PR libstdc++/81092
2296         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2297
2298         PR libstdc++/86292
2299         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2300         Add try-catch block.
2301         * testsuite/23_containers/vector/cons/86292.cc: New.
2302
2303         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2304
2305         * include/experimental/algorithm (sample, shuffle): Add new overloads
2306         using per-thread random number engine.
2307         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2308         dependencies by using __gnu_test::test_container.
2309         * testsuite/experimental/algorithm/sample-2.cc: New.
2310         * testsuite/experimental/algorithm/shuffle.cc: New.
2311
2312 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2313
2314         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2315         different size_t mangling on 32-bit targets.
2316
2317         PR libstdc++/86280
2318         * include/experimental/memory_resource
2319         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2320         enough for result of left shift.
2321
2322         PR libstdc++/86138
2323         * include/bits/basic_string.tcc:
2324         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2325         (basic_string<char>::_Rep::_S_empty_rep_storage)
2326         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2327         instantiation declarations.
2328         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2329         explicit instantiation declarations.
2330         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2331         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2332
2333 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2334
2335         PR libstdc++/83328
2336         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2337         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2338         * configure: Regenerate.
2339         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2340         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2341         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2342         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2343         definition.
2344         * include/debug/string (basic_string::insert(iterator, C)): Change
2345         first parameter to const_iterator.
2346         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2347         return type to iterator.
2348         (basic_string::insert(iterator, InputIterator, InputIterator)):
2349         Likewise.
2350         (basic_string::insert(iterator, initializer_list<C>)): Change first
2351         parameter to const_iterator and return type to iterator.
2352         * src/c++11/string-inst.cc: Extend comment.
2353         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2354         New.
2355         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2356         New.
2357         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2358
2359         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2360
2361         PR libstdc++/70940
2362         * include/experimental/memory_resource
2363         (__resource_adaptor_imp::do_deallocate): Add missing return.
2364         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2365         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2366         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2367         __gnu_cxx::malloc_allocator.
2368
2369         PR libstdc++/70940
2370         * include/experimental/memory_resource (__resource_adaptor_common):
2371         New base class.
2372         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2373         pointer from unaligned, and vice versa.
2374         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2375         allocated pointer to meet alignment request.
2376         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2377         original pointer for deallocation.
2378         (__resource_adaptor_imp::do_is_equal): Reformat.
2379         (__resource_adaptor_imp::_S_aligned_size): Remove.
2380         (__resource_adaptor_imp::_S_supported): Remove.
2381         (new_delete_resource): Use __gnu_cxx::new_allocator.
2382         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2383         extended alignments and use debug_allocator to check for matching
2384         allocate/deallocate pairs.
2385
2386 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2387
2388         * include/debug/safe_iterator.h
2389         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2390         Compare __x base iterator with a value-initialized iterator of the
2391         same type.
2392
2393 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2394
2395         PR libstdc++/70966
2396         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2397         static assertions to enforce requirements on pointer types.
2398         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2399         (new_delete_resource, null_memory_resource): Return address of an
2400         object with dynamic storage duration.
2401         (__null_memory_resource): Remove.
2402         * testsuite/experimental/memory_resource/70966.cc: New.
2403
2404         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2405         missed from recent commit.
2406
2407 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2408
2409         * include/std/utility: Remove unused <exception> header.
2410
2411 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2412
2413         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2414         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2415         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2416         a specialization of std::pair.
2417         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2418         pair elements are constructed correctly.
2419
2420         LWG 2989 hide path iostream operators from normal lookup
2421         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2422         friends.
2423         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2424
2425         LWG 3050 Fix cv-qualification of convertibility constraints
2426         * include/std/chrono (duration, operator*, operator/, operator%): Use
2427         const-qualified type as source type in is_convertible constraints.
2428         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2429         * testsuite/20_util/duration/cons/dr3050.cc: New.
2430         * testsuite/20_util/duration/literals/range.cc: Rename to...
2431         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2432         dg-error lineno.
2433
2434 2018-06-18  Maya Rashish  <coypu@sdf.org>
2435
2436         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2437         * configure: Rebuilt.
2438
2439 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2440
2441         P0754R2 <version> header
2442         * include/Makefile.am: Add new header.
2443         * include/Makefile.in: Regenerate.
2444         * include/bits/c++config: Change doxygen comment to suggest <version>
2445         instead of <iosfwd>.
2446         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2447         unconditionally.  Add C++17 and C++20 headers.
2448         * include/std/version: New header.
2449         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2450         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2451         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2452         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2453         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2454         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2455         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2456         New.
2457         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2458         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2459         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2460         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2461         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2462         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2463         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2464         New.
2465         * testsuite/18_support/headers/version/macros.cc: New.
2466         * testsuite/18_support/headers/version/macros.cc: New.
2467
2468         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2469         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2470         symlink.
2471         * config.h.in: Regenerate.
2472         * configure: Regenerate.
2473         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2474
2475         LWG 3035. std::allocator's constructors should be constexpr
2476         * include/bits/allocator.h (allocator): Add constexpr to constructors
2477         for C++2a. Replace dynamic exception specifications with NOTHROW
2478         macro.
2479         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2480         NOTHROW.
2481         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2482         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2483         to constructors for C++2a.
2484         * include/ext/new_allocator.h (new_allocator): Likewise.
2485
2486 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2487
2488         LWG 3076 basic_string CTAD ambiguity
2489         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2490         * include/bits/basic_string.h
2491         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2492         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2493         template constrained by _RequireAllocator.
2494         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2495         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2496         Define.
2497         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2498         deduction
2499         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2500         Likewise.
2501
2502 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2503
2504         PR libstdc++/86169
2505         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2506         (basic_string::data()): Unshare string.
2507         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2508         New.
2509
2510         * include/std/string_view (basic_string_view(const CharT*)): Remove
2511         check for null pointer and add nonnull attribute.
2512         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2513         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2514         (find_first_of(const CharT*, size_type))
2515         (find_last_of(const CharT*, size_type))
2516         (find_first_not_of(const CharT*, size_type))
2517         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2518         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2519         * testsuite/21_strings/basic_string_view/operations/compare/char/
2520         nonnull.cc: New.
2521         * testsuite/21_strings/basic_string_view/operations/find/char/
2522         nonnull.cc: New.
2523         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2524         nonnull.cc: New.
2525
2526         PR libstdc++/86168
2527         * include/bits/random.h (random_device(const string&)): Remove
2528         default argument.
2529
2530         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2531         define for C++17 and above.
2532
2533         LWG 2993 reference_wrapper<T> conversion from T&&
2534         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2535         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2536         (reference_wrapper(_Tp&&)): Remove.
2537         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2538         template.
2539         (reference_wrapper): Add deduction guide.
2540         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2541         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2542
2543         LWG 3039 Unnecessary decay in thread and packaged_task
2544         * include/std/future (__constrain_pkgdtask): Replace with ...
2545         (packaged_task::__not_same): New alias template, using
2546         __remove_cvref_t instead of decay.
2547         * include/std/thread (thread::__not_same): Add comment.
2548
2549 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2550
2551         LWG 3075 basic_string needs deduction guides from basic_string_view
2552         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2553         deduction from string views.
2554         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2555         Likewise.
2556
2557         LWG 3074 make scalar types non-deduced in valarray non-member functions
2558         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2559         scalar parameters to be a non-deduced context.
2560         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2561         whitespace.
2562         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2563         * testsuite/26_numerics/valarray/transcend.cc: New.
2564
2565         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2566         Move back to <utility>.
2567         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2568         Restore to here.
2569
2570         P0935R0 Eradicating unnecessarily explicit default constructors
2571         * include/backward/strstream (strstreambuf): Add non-explicit default
2572         constructor.
2573         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2574         Likewise.
2575         * include/bits/regex.h (match_results): Likewise.
2576         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2577         default constructor.
2578         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2579         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2580         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2581
2582         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2583         macro from <utility> and change type to long.
2584         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2585         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2586         macro.
2587
2588         P0935R0 Eradicating unnecessarily explicit default constructors
2589         * include/bits/random.h (uniform_real_distribution::param_type)
2590         (normal_distribution::param_type, lognormal_distribution::param_type)
2591         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2592         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2593         (student_t_distribution::param_type)
2594         (bernoulli_distribution::param_type)
2595         (binomial_distribution::param_type)
2596         (geometric_distribution::param_type)
2597         (negative_binomial_distribution::param_type)
2598         (poisson_distribution::param_type)
2599         (exponential_distribution::param_type)
2600         (weibull_distribution::param_type)
2601         (extreme_value_distribution::param_type): Add non-explicit default
2602         constructors. Remove default argument for first parameter of explicit
2603         constructors.
2604         * include/bits/uniform_int_dist.h
2605         (uniform_int_distribution::param_type): Likewise.
2606         * include/ext/random
2607         (beta_distribution::param_type, rice_distribution::param_type)
2608         (nakagami_distribution::param_type, pareto_distribution::param_type)
2609         (k_distribution::param_type, arcsine_distribution::param_type)
2610         (hoyt_distribution::param_type, triangular_distribution::param_type)
2611         (von_mises_distribution::param_type)
2612         (hypergeometric_distribution::param_type)
2613         (logistic_distribution::param_type)
2614         (uniform_inside_sphere_distribution::param_type): Likewise.
2615         (uniform_on_sphere_distribution::param_type): Make default constructor
2616         non-explicit.
2617         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2618         Test param_type for non-explicit default constructor.
2619         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2620         Likewise.
2621         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2622         Likewise.
2623         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2624         Likewise.
2625         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2626         Likewise.
2627         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2628         Likewise.
2629         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2630         Likewise.
2631         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2632         Likewise.
2633         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2634         Likewise.
2635         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2636         Likewise.
2637         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2638         Likewise.
2639         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2640         Likewise.
2641         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2642         Likewise.
2643         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2644         Likewise.
2645         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2646         Likewise.
2647         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2648         Likewise.
2649         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2650         Likewise.
2651         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2652         Likewise.
2653         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2654         Likewise.
2655         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2656         Likewise.
2657         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2658         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2659         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2660         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2661         Likewise.
2662         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2663         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2664         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2665         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2666         Likewise.
2667         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2668         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2669         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2670         Likewise.
2671         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2672         Likewise.
2673         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2674         Likewise.
2675         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2676         Likewise.
2677
2678 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2679             Jonathan Wakely  <jwakely@redhat.com>
2680
2681         PR libstdc++/83982
2682         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2683         Default-construct new elements before moving existing ones.
2684         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2685         New.
2686
2687 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2688
2689         PR libstdc++/86127
2690         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2691         unused typedef.
2692         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2693         Use node allocator to create and destroy elements.
2694         (forward_list::_Tp_alloc_type): Remove unused typedef.
2695         (forward_list::_Alloc_traits): Use allocator_traits instead of
2696         __gnu_cxx::__alloc_traits.
2697
2698 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2699
2700         * include/debug/helper_functions.h
2701         (__gnu_debug::_Safe_iterator<>): Add declaration.
2702         (__can_advance(_Ite, _Size)): New.
2703         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2704         * include/debug/functions.h
2705         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2706         * include/debug/stl_iterator.h
2707         (__can_advance(const _Safe_iterator<>&)): New definition.
2708         * include/debug/stl_iterator.h
2709         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2710         (__can_advance(const std::move_iterator<>&, _Size)): New.
2711         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2712         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2713         * include/bits/stl_algobase.h (fill_n): Use latter.
2714         * testsuite/25_algorithms/fill_n/2.cc: New.
2715         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2716         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2717         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2718         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2719
2720         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2721         (__glibcxx_requires_can_decrement_range): New.
2722
2723 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2724
2725         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2726         (__glibcxx_check_can_decrement_range): New.
2727         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2728         __glibcxx_requires_can_increment_range.
2729         (std::move(_II, _II, _OI)): Likewise.
2730         (std::copy_backward(_BI, _BI, _BI2)): Use
2731         __glibcxx_requires_can_decrement_range.
2732         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2733         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2734         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2735         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2736         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2737         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2738         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2739
2740 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2741
2742         P0935R0 Eradicating unnecessarily explicit default constructors
2743         * include/bits/random.h (linear_congruential_engine)
2744         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2745         (uniform_real_distribution, normal_distribution)
2746         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2747         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2748         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2749         (negative_binomial_distribution, exponential_distribution)
2750         (weibull_distribution, extreme_value_distribution): Add non-explicit
2751         default constructors. Remove default argument for first parameter of
2752         explicit constructors.
2753         (piecewise_constant_distribution, piecewise_linear_distribution):
2754         Make default constructor non-explicit.
2755         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2756         non-explicit default constructors. Remove default argument for first
2757         parameter of explicit constructor.
2758         * include/ext/random
2759         (simd_fast_mersenne_twister_engine, beta_distribution)
2760         (rice_distribution, nakagami_distribution, pareto_distribution)
2761         (k_distribution, arcsine_distribution, hoyt_distribution)
2762         (triangular_distribution, von_mises_distribution)
2763         (hypergeometric_distribution, logistic_distribution)
2764         (uniform_inside_sphere_distribution): Likewise.
2765         (uniform_on_sphere_distribution): Make default constructor
2766         non-explicit.
2767         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2768         Test for non-explicit default constructor. Fix references to standard.
2769         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2770         Likewise.
2771         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2772         Likewise.
2773         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2774         Likewise.
2775         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2776         Likewise.
2777         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2778         Likewise.
2779         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2780         Likewise.
2781         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2782         Likewise.
2783         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2784         Likewise.
2785         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2786         Likewise.
2787         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2788         Likewise.
2789         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2790         Likewise.
2791         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2792         Likewise.
2793         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2794         Likewise.
2795         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2796         Likewise.
2797         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2798         Likewise.
2799         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2800         Likewise.
2801         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2802         Likewise.
2803         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2804         Likewise.
2805         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2806         Likewise.
2807         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2808         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2809         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2810         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2811         Likewise.
2812         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2813         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2814         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2815         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2816         Likewise.
2817         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2818         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2819         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2820         Likewise.
2821         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2822         Likewise.
2823         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2824         Likewise.
2825         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2826         Likewise.
2827         * testsuite/util/testsuite_common_types.h
2828         (implicitly_default_constructible): New helper.
2829
2830 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2831
2832         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2833         (ios::Init::operator=): Define as defaulted.
2834         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2835         Likewise.
2836         * include/bits/stream_iterator.h (istream_iterator::operator=)
2837         (ostream_iterator::operator=): Likewise.
2838         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2839         Likewise.
2840         * include/std/bitset (bitset::reference::reference(const reference&)):
2841         Likewise.
2842         * include/std/complex (complex<float>::complex(const complex&))
2843         (complex<double>::complex(const complex&))
2844         (complex<long double>::complex(const complex&)): Likewise.
2845
2846 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2847
2848         * include/bits/regex.h (sub_match): Add noexcept to default
2849         constructor and length observer.
2850         (match_results): Add noexcept to default constructor and observers
2851         with no preconditions. Define destructor as defaulted.
2852         (operator==, operator!=, swap): Add noexcept.
2853         (regex_iterator): Add default member initializers and define default
2854         constructor and destructor as defaulted. Add noexcept to equality
2855         and dereference operators.
2856
2857 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2858
2859         * src/c++11/debug.cc
2860         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2861         (_Safe_iterator_base::_M_detach_single()): Likewise.
2862         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2863         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2864
2865 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2866
2867         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2868         move of const value.
2869
2870 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2871
2872         PR c++/86068
2873         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2874         rather than __cpp_transactional_memory >= 201505L.
2875
2876 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2877
2878         PR libstdc++/86008
2879         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2880         Define new partial specialization.
2881         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2882         new overload.
2883         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2884         value not reference for iteration.
2885         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2886         comment.
2887         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2888         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2889         comment.
2890
2891 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2892
2893         * include/std/type_traits: Fix comment typos.
2894
2895         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2896         mingw* targets.
2897         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2898         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2899         Likewise.
2900
2901 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2902
2903         * include/bits/stl_tempbuf.h
2904         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2905         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2906         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2907         * include/bits/stl_algo.h (__stable_partition): Adapt.
2908         (__inplace_merge): Adapt.
2909         (__stable_sort): Adapt.
2910
2911 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2912
2913         PR libstdc++/85930
2914         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2915         unconditionally. Remove redundant declaration.
2916         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2917         alignment-specifier.
2918
2919         * include/bits/postypes.h (fpos): Define special members as defaulted.
2920
2921         PR libstdc++/85930
2922         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2923         the static variable correctly.
2924
2925 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2926
2927         PR libstdc++/78870 support std::filesystem on Windows
2928         * config.h.in: Regenerate.
2929         * configure: Regenerate.
2930         * configure.ac: Check for link, readlink and symlink.
2931         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2932         definition out of class body.
2933         (path::is_absolute(), path::_M_append(path)): Likewise.
2934         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2935         (operator>>(basic_istream, path&)): Likewise.
2936         (u8path): Reorder definitions and fix Windows implementation.
2937         (path::is_absolute()): Define inline and fix for Windows.
2938         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2939         Define POSIX version inline.
2940         (path::_M_append(path)): Define inline.
2941         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2942         definition out of class body.
2943         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2944         escape characters.
2945         (operator>>(basic_istream, path&)): Likewise.
2946         (path::is_absolute()): Define inline and fix for Windows.
2947         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2948         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2949         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2950         Define as adaptors for Windows functions/types or as
2951         using-declarations for POSIX functions/types.
2952         (_Dir_base, get_file_type): Qualify names to use declarations from
2953         __gnu_posix namespace.
2954         (_Dir_base::is_dor_or_dotdot): New helper functions.
2955         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2956         names to use declarations from __gnu_posix namespace.
2957         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2958         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2959         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2960         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2961         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2962         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2963         Define as adaptors for Windows functions/types or as
2964         using-declarations for POSIX functions/types.
2965         (stat_type, do_copy_file): Qualify names to use declarations from
2966         __gnu_posix namespace.
2967         (do_space): Declare new function.
2968         (make_file_type): Only use S_ISLNK if defined.
2969         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2970         path::value_type not char.
2971         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2972         names to use declarations from __gnu_posix namespace.
2973         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2974         add implementation for Windows.
2975         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2976         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2977         [!_PC_PATH_MAX]: Don't use pathconf.
2978         [PATH_MAX]: Use if defined.
2979         (filesystem::current_path(const path&, error_code&))
2980         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2981         (filesystem::last_write_time, filesystem::permissions): Use names
2982         from __gnu_posix.
2983         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2984         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2985         implementation for Windows.
2986         (filesystem::rename, filesystem::resize_file): Use names from
2987         __gnu_posix.
2988         (filesystem::space): Use do_space.
2989         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2990         (filesystem::status, filesystem::symlink_status): Use names from
2991         __gnu_posix.
2992         (filesystem::temp_directory_path): Add implementation for Windows.
2993         * src/filesystem/path.cc (dot): Define constant.
2994         (path::replace_extension): Use dot.
2995         (path::_M_find_extension): Likewise. Use path::string_type not
2996         std::string.
2997         (path::_M_split_cmpts): Use dot.
2998         (filesystem_error::_M_get_what): Use u8string() not native().
2999         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
3000         Qualify names to use declarations from __gnu_posix namespace.
3001         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
3002         correct error_code.
3003         (filesystem::absolute(const path&, error_code&)): Add implementation
3004         for Windows.
3005         (char_ptr, filesystem::canonical): Use path::value_type not char.
3006         (do_copy_file): Use names from __gnu_posix.
3007         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
3008         sendfile.
3009         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3010         names to use declarations from __gnu_posix namespace.
3011         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3012         add implementation for Windows.
3013         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3014         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3015         [!_PC_PATH_MAX]: Don't use pathconf.
3016         [PATH_MAX]: Use if defined.
3017         (filesystem::current_path(const path&, error_code&))
3018         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3019         (filesystem::last_write_time, filesystem::permissions): Use names
3020         from __gnu_posix.
3021         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3022         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3023         implementation for Windows.
3024         (filesystem::rename, filesystem::resize_file): Use names from
3025         __gnu_posix.
3026         (do_space): Define.
3027         (filesystem::space): Use do_space.
3028         (filesystem::status, filesystem::symlink_status): Use names from
3029         __gnu_posix.
3030         (filesystem::temp_directory_path): Add implementation for Windows.
3031         * src/filesystem/std-path.cc
3032         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3033         Define for Windows.
3034         (dot): Define constant.
3035         (path::replace_extension, is_dot): Use dot.
3036         (path::lexically_normal): Check _M_type instead of calling
3037         non-existent function.
3038         (path::_M_find_extension): Use dot. Use path::string_type not
3039         std::string.
3040         (path::_M_split_cmpts): Use dot.
3041         (filesystem_error::_M_get_what): Use u8string() not native().
3042         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
3043         use symlinks.
3044         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3045         Likewise.
3046         * testsuite/27_io/filesystem/operations/absolute.cc: Use
3047         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
3048         * testsuite/27_io/filesystem/operations/canonical.cc: Use
3049         path::string() to get narrow string, not path::native().
3050         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
3051         with std::filesystem::path not std::basic_string.
3052         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3053         * testsuite/27_io/filesystem/operations/exists.cc: Use
3054         __gnu_test::root_path() instead of "/".
3055         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
3056         fstreams with std::filesystem::path not std::basic_string.
3057         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
3058         path::string() to get narrow string.
3059         * testsuite/27_io/filesystem/operations/space.cc: Check results for
3060         errors, expect sensible values otherwise.
3061         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
3062         helpers for adjusting the environment on Windows.
3063         * testsuite/27_io/filesystem/path/append/path.cc: Test
3064         Windows-specific behaviour.
3065         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
3066         of path::string_type objects.
3067         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
3068         string to wide string on Windows.
3069         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
3070         for backslash as root-directory.
3071         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
3072         path::string() to get narrow string.
3073         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
3074         paths.
3075         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
3076         not std::string.
3077         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
3078         different definintion of absolute paths on Windows.
3079         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3080         Do not use symlinks.
3081         * testsuite/experimental/filesystem/operations/absolute.cc: Test
3082         Windows behaviour.
3083         * testsuite/experimental/filesystem/operations/copy.cc: Construct
3084         fstreams with NTCTS not std::basic_string.
3085         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3086         * testsuite/experimental/filesystem/operations/exists.cc: Use
3087         __gnu_test::root_path() instead of "/".
3088         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
3089         fstreams with NTCTS not std::basic_string.
3090         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3091         Use path::string() to get narrow string.
3092         * testsuite/experimental/filesystem/operations/space.cc: Use
3093         __gnu_test::root_path() instead of "/".
3094         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3095         Add helpers for adjusting the environment on Windows.
3096         * testsuite/experimental/filesystem/path/append/path.cc: Use
3097         path::string() to get narrow strings for comparisons.
3098         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3099         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3100         Likewise.
3101         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3102         * testsuite/experimental/filesystem/path/native/string.cc: Use
3103         string_type not std::string.
3104         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
3105         Adjust for different definintion of absolute paths on Windows.
3106         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
3107         function.
3108         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
3109         std::basic_string.
3110
3111 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
3112
3113         PR libstdc++/85951
3114         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
3115         uint_least16_t and uint_least32_t.
3116         (__make_unsigned<wchar_t>): Define unconditionally.
3117         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
3118         typedefs.
3119         (__make_unsigned_selector_base): New type to provide helper templates.
3120         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
3121         __make_unsigned_selector_base helpers.
3122         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
3123         (__make_signed_selector<_Tp, true, false>): Remove intermediate
3124         typedefs.
3125         (__make_signed<wchar_t>, __make_signed<char16_t>)
3126         (__make_signed<char32_t>)): Define unconditionally.
3127         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
3128         wchar_t, char16_t and char32_t are transformed correctly.
3129         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
3130         dg-error lineno.
3131         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
3132         wchar_t, char16_t and char32_t are transformed correctly.
3133         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
3134         dg-error lineno.
3135
3136 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
3137
3138         * include/std/variant (__erased_dtor): Qualify call to __get.
3139
3140 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
3141
3142         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
3143         (_Rb_tree(const allocator_type&)): Use latter.
3144         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
3145         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
3146         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3147         * include/bits/stl_multimap.h
3148         (multimap(const allocator_type&)): Likewise.
3149         (multimap(initializer_list<value_type>, const allocator_type&)):
3150         Likewise.
3151         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
3152         Likewise.
3153         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
3154         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
3155         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3156         * include/bits/stl_multiset.h
3157         (multiset(const allocator_type&)): Likewise.
3158         (multiset(initializer_list<value_type>, const allocator_type&)):
3159         Likewise.
3160         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
3161         Likewise.
3162
3163 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
3164
3165         PR libstdc++/85768
3166         * src/c++11/debug.cc: Remove backtrace usage.
3167
3168 2018-05-24  Maya Rashish  <coypu@sdf.org>
3169
3170         PR target/85904
3171         * crossconfig.m4: Test for aligned_alloc on netbsd.
3172         * configure: Regenerate.
3173
3174 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3175
3176         PR libstdc++/69769
3177         PR libstdc++/85886
3178         * include/bits/atomic_base.h (__atomic_base::value_type)
3179         (__atomic_base::difference_type): Add new typedefs.
3180         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
3181         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
3182         (atomic<T*>::operator++, atomic<T*>::operator--)
3183         (atomic<T*>::operator+=, atomic<T*>::operator-=)
3184         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
3185         to enforce C++17 requirement on pointer arithmetic.
3186         (__atomic_val_t, __atomic_diff_t): New alias templates.
3187         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
3188         (atomic_compare_exchange_weak_explicit)
3189         (atomic_compare_exchange_strong_explicit, atomic_store)
3190         (atomic_exchange, atomic_compare_exchange_weak)
3191         (atomic_compare_exchange_strong): Use __atomic_val_t to make
3192         scalar parameters be non-deduced contexts.
3193         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3194         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
3195         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
3196         parameters.
3197         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
3198         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
3199         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
3200         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3201         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
3202         address types.
3203         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
3204         * testsuite/29_atomics/atomic/69769.cc: New test.
3205         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
3206         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3207         Disable test for C++17 and later.
3208         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3209         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3210         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3211         test.
3212
3213 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3214
3215         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3216         template to alias template.
3217         (path::__value_type_is_char): Use remove_const_t.
3218         (path:_S_string_from_iter): New helper function.
3219         (path::_S_convert(InputIter, __null_terminated))
3220         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3221         Use _S_string_from_iter.
3222         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3223         rep for COW strings.
3224         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3225         Change from class template to alias template.
3226         (path::__value_type_is_char): Use remove_const.
3227         (path:_S_string_from_iter): New helper function.
3228         (path::_S_convert(InputIter, __null_terminated))
3229         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3230         Use _S_string_from_iter.
3231         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3232         wide strings.
3233         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3234         string equality, not path equivalence.
3235         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3236         construction from std::string and std::wstring and input iterators.
3237         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3238         construction from iterators.
3239         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3240         exact string equality, not path equivalence.
3241         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3242         construction from iterators.
3243
3244         * include/bits/fs_path.h (path::_M_type): Change default member
3245         initializer to _Filename.
3246         (path::begin): Create past-the-end iterator for empty path.
3247         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3248         debugging check.
3249         (path::has_relative_path()): Return false for empty filenames.
3250         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3251         Fix offset of empty final component.
3252         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3253         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3254
3255 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3256
3257         Add support for opening file streams from wide character strings.
3258         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3259         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3260         Define new overload.
3261         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3262         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3263         Declare new overload.
3264         * configure.ac: Check for _wfopen.
3265         * crossconfig.m4: Likewise.
3266         * configure: Regenerate.
3267         * config.h.in: Regenerate.
3268         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3269         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3270         Define new overload.
3271         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3272         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3273         Declare new overload.
3274         [_GLIBCXX_HAVE__WFOPEN]
3275         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3276         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3277         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3278         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3279         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3280         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3281         new overloads.
3282         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3283         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3284         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3285         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3286         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3287         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3288         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3289
3290 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3291
3292         PR libstdc++/85845
3293         * include/bits/stl_tree.h
3294         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3295         qualification.
3296
3297 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3298
3299         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3300         paths.
3301         (weakly_canonical(const path&)): Do not call canonical on empty path.
3302         (weakly_canonical(const path&, error_code&)): Likewise.
3303         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3304
3305         PR libstdc++/85818
3306         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3307         dg-require-filesystem-ts.
3308
3309         PR libstdc++/85843
3310         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3311         initialize base class to avoid warnings.
3312
3313 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3314
3315         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3316         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3317         little_endian element in bitmask.
3318         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3319         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3320
3321 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3322
3323         * include/bits/stl_tree.h
3324         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3325         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3326         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3327         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3328         * include/debug/map.h
3329         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3330         * include/debug/multimap.h
3331         (multimap(multimap&&, const_allocator_type&)): Likewise.
3332         * include/debug/set.h
3333         (set(set&&, const_allocator_type&)): Likewise.
3334         * include/debug/multiset.h
3335         (multiset(multiset&&, const_allocator_type&)): Likewise.
3336         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3337         Add checks.
3338         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3339         Add checks.
3340         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3341         Add checks.
3342         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3343         Add checks.
3344         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3345         Add checks.
3346         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3347         Add checks.
3348         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3349         Add checks.
3350         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3351         Add checks.
3352
3353 2018-05-18  Jason Merrill  <jason@redhat.com>
3354
3355         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3356         for conversion to const_iterator.  Add defaulted copy ops.
3357         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3358         * libsupc++/exception.h (exception): Add defaulted copy ops.
3359         * include/std/system_error (system_error): Add defaulted copy ops.
3360         * include/std/stdexcept (domain_error, invalid_argument)
3361         (length_error, out_of_range, range_error, overflow_error)
3362         (underflow_error): Add defaulted copy ops.
3363         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3364         copy assignment.
3365         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3366         * include/ext/throw_allocator.h (condition_base): Add defaulted
3367         default and copy ctor and copy assignment.
3368
3369 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3370
3371         PR libstdc++/85098
3372         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3373         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3374         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3375         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3376         definitions.
3377         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3378         whitespace.
3379         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3380         braces around body of do-while.
3381         * testsuite/28_regex/basic_regex/85098.cc: New
3382
3383 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3384
3385         PR libstdc++/85818
3386         * src/filesystem/path.cc (path::preferred_separator): Add used
3387         attribute.
3388         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3389
3390         PR libstdc++/85812
3391         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3392         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3393         Refactor to separate non-throwing and throwing implementations.
3394         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3395         if constructing the object throws.
3396
3397 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3398
3399         PR libstdc++/85749
3400         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3401         (linear_congruential_engine, mersenne_twister_engine)
3402         (subtract_with_carry_engine, discard_block_engine)
3403         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3404         constrain function templates taking seed sequences.
3405         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3406         (mersenne_twister_engine::seed(_Sseq&))
3407         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3408         match declarations.
3409         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3410         __is_seed_seq to constrain function templates taking seed sequences.
3411         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3412         Change return type to match declaration.
3413         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3414         New.
3415         * testsuite/26_numerics/random/independent_bits_engine/cons/
3416         seed_seq2.cc: New.
3417         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3418         seed_seq2.cc: New.
3419         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3420         seed_seq2.cc: New.
3421         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3422         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3423         New.
3424         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3425         seed_seq2.cc: New.
3426         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3427         seed_seq2.cc: New.
3428
3429         PR libstdc++/83891
3430         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3431         for all operating systems.
3432         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3433         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3434         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3435         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3436
3437         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3438         unused <vector> header.
3439         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3440         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3441         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3442         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3443         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3444         Likewise.
3445         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3446         Likewise.
3447         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3448         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3449         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3450         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3451         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3452         Likewise.
3453         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3454         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3455         Likewise.
3456         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3457         Likewise.
3458         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3459         Likewise.
3460         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3461         Likewise.
3462         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3463         Likewise.
3464         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3465         Likewise.
3466         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3467         Likewise.
3468         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3469         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3470         Likewise.
3471
3472         PR libstdc++/84159
3473         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3474         temporary path before calling _M_append.
3475         (path::_M_append): Change parameter to path and implement C++17
3476         semantics.
3477         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3478         and more examples from the standard.
3479         * testsuite/27_io/filesystem/path/append/source.cc: New.
3480         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3481         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3482
3483         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3484         __invoke to prevent ADL.
3485
3486 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3487
3488         PR libstdc++/81256
3489         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3490         exceptions from _M_terminate_output().
3491         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3492         exceptions from close().
3493         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3494
3495         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3496         (__valarray_get_storage): Call operator new directly. Remove ignored
3497         top-level restrict qualifier and add malloc attribute instead.
3498         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3499
3500         PR libstdc++/67554
3501         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3502         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3503
3504         PR libstdc++/82966
3505         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3506         instead of type.
3507         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3508
3509 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3510
3511         PR libstdc++/80165
3512         * testsuite/20_util/variant/80165.cc: New.
3513
3514 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3515
3516         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3517         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3518         of C++11 containers with Debug Mode support.
3519         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3520         * doc/html/*: Regenerate.
3521
3522 2018-05-10  Jason Merrill  <jason@redhat.com>
3523
3524         * include/bits/regex_compiler.h (_S_cache_size): Change from
3525         function to variable.
3526
3527 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3528
3529         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3530         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3531         argument defaulted to +1.  Doxy comments on same.
3532         * testsuite/special_functions/02_assoc_legendre/
3533         check_value.cc: Regen.
3534         * testsuite/tr1/5_numerical_facilities/special_functions/
3535         02_assoc_legendre/check_value.cc: Regen.
3536
3537 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3538
3539         PR libstdc++/85729
3540         * include/bits/c++config.h (__replacement_assert): Add linkage
3541         specification.
3542         * include/bits/std_abs.h: Add comment to closing brace of block.
3543         * include/c_global/cstddef: Add linkage specification.
3544         * include/c_global/cstring: Likewise.
3545         * include/c_global/cwchar: Likewise.
3546
3547 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3548
3549         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3550         Rename in...
3551         (_Safe_iterator<>::_S_constant()): ...that.
3552         * include/debug/safe_local_iterator.h
3553         (_Safe_local_iterator<>::_M_constant()): Rename in...
3554         (_Safe_local_iterator<>::_S_constant()): ...that.
3555         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3556         (_Iterator_state::__rbegin): New.
3557         (_Iterator_state::__rmiddle): New.
3558         (_Iterator_state::__rend): New.
3559         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3560         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3561         iterator type.
3562         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3563         _Is_iterator)): Likewise.
3564         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3565         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3566         _Is_iterator)): New.
3567         (_Parameter(std::reverse_iterator<> const&, const char*,
3568         _Is_iterator)): New.
3569         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3570         const char*, _Is_iterator)): New.
3571         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3572         New.
3573         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3574         _Is_iterator)): New.
3575         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3576         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3577         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3578
3579 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3580
3581         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3582         Use constexpr if in C++17 mode.
3583         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3584         Copy from const object.
3585         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3586
3587 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3588
3589         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3590         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3591         backtrace.
3592
3593         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3594         * include/debug/functions.h (__check_valid_range): Use latter.
3595         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3596         use latter.
3597         * include/debug/deque
3598         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3599         * include/debug/forward_list
3600         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3601         Likewise.
3602         * include/debug/list
3603         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3604         * include/debug/list
3605         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3606         * include/debug/map.h
3607         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3608         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3609         Likewise.
3610         * include/debug/multimap.h
3611         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3612         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3613         const _Alloc&)): Likewise.
3614         * include/debug/set.h
3615         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3616         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3617         Likewise.
3618         * include/debug/multiset.h
3619         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3620         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3621         const _Alloc&)): Likewise.
3622         * include/debug/string
3623         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3624         Likewise.
3625         * include/debug/unordered_map
3626         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3627         Likewise.
3628         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3629         const _Alloc&)): Likewise.
3630         * include/debug/unordered_set
3631         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3632         Likewise.
3633         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3634         const _Alloc&)): Likewise.
3635         * include/debug/vector
3636         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3637
3638         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3639         (_Error_formatter(const char*, unsigned int)): Adapt.
3640         (_Error_formatter::_M_at): Rename in...
3641         (_Error_formatter::_S_at): ...that and adapt.
3642         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3643         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3644         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3645         when available.
3646
3647 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3648
3649         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3650         Use normal std::vector even in Debug Mode.
3651
3652         PR libstdc++/85672
3653         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3654         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3655         * include/Makefile.in: Regenerate.
3656         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3657         within conditional block.
3658
3659 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3660
3661         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3662         C++17 Filesystem implementation also needs -lstdc++fs.
3663
3664         PR libstdc++/85671
3665         * include/bits/fs_path.h (operator/): Permit copy elision.
3666         * include/experimental/bits/fs_path.h (operator/): Likewise.
3667
3668 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3669
3670         Moar PR libstdc++/80506
3671         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3672         Fix magic number used in loop condition.
3673
3674 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3675
3676         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3677         * include/std/optional (_Optional_payload): Add noexcept to default
3678         constructor. Re-indent.
3679         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3680         constructor for copying disengaged payloads.
3681         (_Optional_payload<_Tp, true, false, true>): Likewise.
3682         (_Optional_payload<_Tp, true, true, false>): Likewise.
3683         (_Optional_payload<_Tp, true, false, false>): Likewise.
3684         * testsuite/20_util/optional/cons/85642.cc: New.
3685         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3686
3687 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3688
3689         PR libstdc++/82644
3690         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3691         inline definitions instead of using-declarations.
3692         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3693         * testsuite/tr1/5_numerical_facilities/special_functions/
3694         07_conf_hyperg/compile_cxx17.cc: New.
3695         * testsuite/tr1/5_numerical_facilities/special_functions/
3696         17_hyperg/compile_cxx17.cc: New.
3697
3698         PR libstdc++/84769
3699         * include/std/variant (visit): Qualify std::get call.
3700
3701         PR libstdc++/85632 use uintmax_t for arithmetic
3702         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3703         arithmetic in result type.
3704         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3705         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3706         is greater than free space.
3707         * testsuite/experimental/filesystem/operations/space.cc: New.
3708
3709         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3710         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3711         New.
3712         * testsuite/20_util/remove_cvref/value.cc: New.
3713         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3714
3715         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3716         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
3717         (append(const basic_string&, size_type, size_type)
3718         (assign(const basic_string&, size_type, size_type)
3719         (insert(size_type, const basic_string&, size_type, size_type)
3720         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3721         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3722         Add default arguments (LWG 2268).
3723         [_GLIBCXX_USE_CXX11_ABI=0]
3724         (append(const basic_string&, size_type, size_type)
3725         (assign(const basic_string&, size_type, size_type)
3726         (insert(size_type, const basic_string&, size_type, size_type)
3727         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3728         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3729         Likewise.
3730         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3731
3732         PR libstdc++/84535
3733         * include/std/thread (thread::__not_same): New SFINAE helper.
3734         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3735         first argument is not a std::thread. Add static assertion to check
3736         INVOKE expression is valid.
3737         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3738         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3739         __invoke_result for return types and remove exception specifications.
3740         * testsuite/30_threads/thread/cons/84535.cc: New.
3741
3742         * include/std/future (__async_result_of): Use __invoke_result instead
3743         of result_of.
3744
3745         * include/std/any (any_cast): Use __remove_cvref_t.
3746         * include/std/tuple (__make_tuple): Likewise.
3747         * include/std/type_traits (__remove_cvref_t): Define.
3748         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3749         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3750         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3751
3752 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3753
3754         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3755         ensure overloaded comma not used.
3756         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3757         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3758         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3759         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3760         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3761         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3762         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3763
3764 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3765
3766         PR libstdc++/68197
3767         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3768         indices to unsigned.
3769         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3770         as failure. Refactor error handling.
3771         * testsuite/27_io/ios_base/storage/68197.cc: New.
3772
3773         PR libstdc++/57997
3774         PR libstdc++/83860
3775         * include/bits/gslice_array.h (gslice_array): Define default
3776         constructor as deleted, as per C++11 standard.
3777         * include/bits/mask_array.h (mask_array): Likewise.
3778         * include/bits/slice_array.h (slice_array): Likewise.
3779         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3780         to namespace __detail.
3781         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3782         members.
3783         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3784         of data members in closure objects.
3785         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3786         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3787         __detail.
3788         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3789         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3790         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3791         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3792         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3793         using-declarations to namespace std.
3794         * testsuite/26_numerics/valarray/83860.cc: New.
3795
3796         * testsuite/backward/strstream_move.cc: Remove duplicate function
3797         call.
3798
3799         PR libstdc++/69608
3800         * include/backward/strstream (strstreambuf): Define move constructor
3801         and move assignment operator.
3802         (istrstream, ostrstream, strstream): Likewise.
3803         * testsuite/backward/strstream_move.cc: New.
3804
3805 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3806
3807         PR libstdc++/84654
3808         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3809         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3810         * configure: Regenerate.
3811         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3812         based on ENABLE_FLOAT128.
3813         * include/Makefile.in: Regenerate.
3814         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3815         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3816         _GLIBCXX_USE_FLOAT128.
3817
3818 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3819
3820         * configure: Regenerated.
3821
3822 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3823
3824         * configure: Regenerated.
3825
3826 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3827             Jakub Jelinek  <jakub@redhat.com>
3828
3829         PR libstdc++/85442
3830         * src/c++11/Makefile.am: Don't generate debuginfo again for
3831         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3832         * src/c++11/Makefile.in: Regenerate.
3833
3834 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3835
3836         PR libstdc++/84442
3837         * testsuite/30_threads/thread/cons/terminate.cc
3838         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3839
3840 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3841
3842         PR jit/85384
3843         * configure: Regenerate.
3844
3845 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3846
3847         * testsuite/experimental/filesystem/file_status/1.cc: Add
3848         -DUSE_FILESYSTEM_TS to dg-options.
3849         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3850         Likewise.
3851         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3852         * testsuite/experimental/filesystem/iterators/
3853         recursive_directory_iterator.cc: Likewise.
3854         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3855         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3856         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3857         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3858         * testsuite/experimental/filesystem/operations/create_directories.cc:
3859         Likewise.
3860         * testsuite/experimental/filesystem/operations/create_directory.cc:
3861         Likewise.
3862         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3863         Likewise.
3864         * testsuite/experimental/filesystem/operations/current_path.cc:
3865         Likewise.
3866         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3867         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3868         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3869         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3870         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3871         Likewise.
3872         * testsuite/experimental/filesystem/operations/permissions.cc:
3873         Likewise.
3874         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3875         Likewise.
3876         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3877         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3878         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3879         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3880         Likewise.
3881         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3882         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3883         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3884         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3885         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3886         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3887         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3888         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3889         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3890         * testsuite/experimental/filesystem/path/construct/default.cc:
3891         Likewise.
3892         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3893         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3894         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3895         Likewise.
3896         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3897         Likewise.
3898         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3899         Likewise.
3900         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3901         Likewise.
3902         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3903         Likewise.
3904         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3905         Likewise.
3906         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3907         Likewise.
3908         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3909         Likewise.
3910         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3911         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3912         Likewise.
3913         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3914         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3915         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3916         Likewise.
3917         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3918         Likewise.
3919         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3920         Likewise.
3921         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3922         Likewise.
3923         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3924         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3925         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3926         Likewise.
3927         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3928         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3929         Likewise.
3930         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3931         Likewise.
3932         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3933         Likewise.
3934         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3935         Likewise.
3936         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3937         Likewise.
3938         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3939         Likewise.
3940         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3941         Likewise.
3942         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3943         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3944         Likewise.
3945
3946 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3947
3948         * src/c++11/Makefile.am: Fix sed command.
3949         * src/c++11/Makefile.in: Regenerate.
3950
3951         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3952         handle mangled names starting with double underscores on darwin.
3953         * src/c++11/Makefile.in: Regenerate.
3954
3955 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3956
3957         * src/c++11/Makefile.am: Fix comment.
3958         * src/c++11/Makefile.in: Regenerate.
3959         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3960         * src/c++98/ios_failure.cc: Likewise.
3961
3962         * src/c++11/ios.cc: Remove redundant macro definition.
3963
3964 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3965
3966         * doc/xml/manual/abi.xml: Document header locations in recent
3967         releases.
3968         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3969         * doc/xml/manual/spine.xml: Update copyright years.
3970         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3971         undefined behaviour.
3972         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3973         * doc/html/*: Regenerate.
3974
3975 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3976
3977         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3978         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3979         * doc/xml/manual/containers.xml: Likewise.
3980         * doc/xml/manual/debug_mode.xml: Likewise.
3981         * doc/xml/manual/extensions.xml: Likewise.
3982         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3983         * doc/xml/manual/using.xml: Likewise.
3984         * doc/xml/manual/utilities.xml: Likewise.
3985
3986         PR libstdc++/85222
3987         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3988         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3989         * src/c++11/Makefile.in: Regenerate.
3990         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3991         New types.
3992         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3993         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3994         * src/c++98/ios_failure.cc (__construct_ios_failure)
3995         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3996         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3997         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3998         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3999         handler types, to always catch std::ios_base::failure.
4000         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
4001         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
4002         exceptions_failbit.cc: Likewise.
4003         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
4004         exceptions_failbit.cc: Likewise.
4005         * testsuite/27_io/basic_istream/extractors_other/char/
4006         exceptions_null.cc: Likewise.
4007         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
4008         exceptions_null.cc: Likewise.
4009         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
4010         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
4011         * testsuite/27_io/basic_ostream/inserters_other/char/
4012         exceptions_null.cc: Likewise.
4013         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
4014         exceptions_null.cc: Likewise.
4015         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
4016
4017 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
4018
4019         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
4020         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
4021
4022 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
4023
4024         PR libstdc++/85183
4025         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
4026         value categories.
4027         * testsuite/20_util/variant/85183.cc: New.
4028
4029 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
4030
4031         * include/std/variant (__get): Qualify calls to avoid ADL.
4032         (__select_index): Adjust whitespace.
4033         (variant): Add using-declaration to workaround Clang bug.
4034
4035 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
4036
4037         PR libstdc++/85040
4038         * include/bits/stl_function.h (greater::__not_overloaded)
4039         (less::__not_overloaded, greater_equal::__not_overloaded)
4040         (less_equal::__not_overloaded): Fix ambiguous specializations.
4041         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
4042         tests for type with overloaded operators.
4043
4044 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4045
4046         PR libstdc++/77691
4047         * testsuite/experimental/memory_resource/resource_adaptor.cc:
4048         xfail execution on 32-bit Solaris/x86.
4049
4050 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
4051
4052         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
4053         VERIFY instead of assert.
4054         * testsuite/20_util/hash/84998.cc: New test.
4055         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
4056         copy of test adjusted for Debug Mode.
4057         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
4058         test in Debug Mode.
4059
4060 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
4061
4062         PR libstdc++/84998
4063         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
4064         * include/std/bitset: Likewise.
4065         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
4066         declaration.
4067         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
4068         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
4069         * include/bits/stl_set.h (std::set<>): Likewise.
4070         * include/bits/unordered_map.h (std::unordered_map<>): Fix
4071         _Hash_merge_helper friend declaration.
4072         (std::unordered_multimap<>): Likewise.
4073         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
4074         (std::unordered_multiset<>): Likewise.
4075
4076 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4077
4078         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
4079         trailing slash for domain level link.
4080         * doc/xml/faq.xml: Ditto.
4081         * doc/xml/manual/appendix_free.xml (software): Ditto.
4082         * doc/xml/manual/intro.xml: Ditto.
4083         * doc/xml/manual/spine.xml: Ditto.
4084         * doc/xml/spine.xml: Ditto.
4085
4086 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4087
4088         * doc/xml/manual/documentation_hacking.xml: Adjust link to
4089         docbook.org.
4090
4091 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
4092
4093         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
4094         to compile as C++98.
4095
4096 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
4097
4098         PR libstdc++/78420
4099         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
4100         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
4101         to ensure total order for pointers.
4102         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
4103         Add operator() overloads for pointer arguments and make generic
4104         overloads dispatch to new _S_cmp functions when comparisons would
4105         use built-in operators for pointers.
4106         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
4107
4108 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
4109
4110         PR libstdc++/84773
4111         PR libstdc++/83662
4112         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
4113         * configure: Regenerate.
4114         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
4115         (aligned_alloc): Add using-declaration.
4116         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
4117
4118 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
4119
4120         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
4121         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
4122         registration.
4123
4124 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
4125
4126         PR libstdc++/84769
4127         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
4128         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
4129
4130         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
4131         src/filesystem/std-ops.cc (create_dir): Likewise.
4132
4133 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
4134
4135         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
4136         (StdListIteratorPrinter): Inherit from latter.
4137         (StdFwdListIteratorPrinter): New, inherit from latter.
4138         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
4139         when iterator has no associated container.
4140         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
4141         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
4142         registrations.
4143         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
4144         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
4145
4146 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
4147
4148         PR libstdc++/84601
4149         * include/std/optional (_Optional_payload): Split into multiple
4150         specializations that can handle different cases of trivial or
4151         non-trivial assignment operators.
4152         * testsuite/20_util/optional/84601.cc: New.
4153         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4154
4155 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
4156
4157         PR libstdc++/84671
4158         * include/bits/parse_numbers.h (_Number_help): Add partial
4159         specialization to handle digit separators. Adjust partial
4160         specialization for recursion temrination to require _Pow == 1ULL.
4161         * testsuite/20_util/duration/literals/84671.cc: New
4162
4163 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
4164
4165         Implement the missing bits of LWG 2769
4166         * include/std/any (any_cast(const any&)): Add static_assert.
4167         (any_cast(any&)): Likewise.
4168         (any_cast(any&&)): Likewise, and remove the handling
4169         for copyable-but-not-movable type.
4170         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
4171         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
4172         add new tests.
4173
4174 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
4175
4176         PR libstdc++/84532
4177         * include/std/thread (thread::__make_invoker): Construct tuple
4178         directly instead of using make_tuple.
4179         * testsuite/30_threads/async/84532.cc: New.
4180         * testsuite/30_threads/thread/84532.cc: New.
4181
4182 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
4183
4184         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
4185         (template<> __aligned_buffer): Define as __aligned_membuf alias.
4186
4187 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4188
4189         PR target/84148
4190         * configure: Regenerate.
4191
4192 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
4193
4194         PR libstdc++/81797
4195         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
4196         * configure: Regenerate.
4197         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
4198         defined.
4199         * include/Makefile.in: Regenerate.
4200
4201 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
4202
4203         PR libstdc++/83833
4204         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
4205         Add -ffloat-store to options for m68k and ia32.
4206
4207         * doc/xml/faq.xml: Update copyright years.
4208         * doc/html/*: Regenerate.
4209
4210         PR libstdc++/83658
4211         * include/std/any (any::__do_emplace): Only set _M_manager after
4212         constructing the contained object.
4213         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4214         * testsuite/20_util/any/modifiers/83658.cc: New test.
4215
4216 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4217
4218         PR libstdc++/81076
4219         * include/c_global/cstddef (__byte_operand): Define primary template.
4220         * testsuite/18_support/byte/81076.cc: New test.
4221
4222 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4223
4224         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4225         dg-options and dg-add-options order.
4226         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4227         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4228         Likewise.
4229         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4230         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4231         Likewise.
4232         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4233         Likewise.
4234         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4235         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4236         Likewise.
4237         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4238         Likewise.
4239         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4240         Likewise.
4241         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4242         Likewise.
4243         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4244         Likewise.
4245         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4246         Likewise.
4247         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4248         Likewise.
4249         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4250         Likewise.
4251         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4252         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4253         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4254         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4255         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4256         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4257         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4258         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4259         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4260         Likewise.
4261         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4262         Likewise.
4263         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4264         Likewise.
4265         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4266         Likewise.
4267
4268 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4269
4270         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4271         include linux/types.h when checking linux/random.h header.
4272         * config.h.in: Regenerate.
4273         * configure: Ditto.
4274         * src/c++11/random.cc: Conditionally include linux/types.h.
4275
4276 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4277
4278         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4279
4280 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4281
4282         PR libstdc++/83834
4283         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4284         pattern with exact match for std::cerr.
4285
4286 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4287
4288         PR libstdc++/83833
4289         * include/bits/random.h (chi_squared_distribution::param): Update
4290         gamma distribution parameter.
4291         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4292         test.
4293
4294         PR libstdc++/83830
4295         * include/std/type_traits (has_unique_object_representations_v): Add
4296         variable template.
4297         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4298         variable template.
4299
4300 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4301
4302         Make optional conditionally
4303         trivially_{copy,move}_{constructible,assignable}
4304         * include/std/optional (_Optional_payload): Fix the comment in
4305         the class head and turn into a primary and one specialization.
4306         (_Optional_payload::_M_engaged): Strike the NSDMI.
4307         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4308         New.
4309         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4310         Likewise.
4311         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4312         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4313         (_Optional_base_impl): Likewise.
4314         (_Optional_base): Turn into a primary and three specializations.
4315         (optional(nullopt)): Change the base init.
4316         * testsuite/20_util/optional/assignment/8.cc: New.
4317         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4318         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4319
4320 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4321
4322         PR libstdc++/80276
4323         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4324         (get_template_arg_list): New.
4325         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4326         instead.
4327         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4328         of strings and regular expressions.
4329         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4330         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4331         strip_inline_namespaces instead of strip_versioned_namespace.
4332         (add_one_type_printer): Prepend namespace to match argument.
4333         (register_type_printers): Add type printers for char16_t and char32_t
4334         string types and for types using cxx11 ABI. Update calls to
4335         add_one_template_type_printer to provide default argument dicts.
4336         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4337         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4338         basic_string<unsigned char> and basic_string<signed char>.
4339         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4340         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4341
4342 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4343
4344         PR libstdc++/81092
4345         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4346
4347 2018-01-13  Tim Shen  <timshen@google.com>
4348
4349         PR libstdc++/83601
4350         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4351         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4352         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4353
4354 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4355
4356         PR libstdc++/64054
4357         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4358         Remove dg-xfail-run-if.
4359
4360 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4361
4362         * include/bits/forward_list.h
4363         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4364         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4365         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4366         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4367         (_Fwd_list_impl()): Add noexcept qualification.
4368         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4369         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4370         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4371         (_Fwd_list_base()): Default.
4372         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4373         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4374         (forward_list<>()): Default.
4375         (forward_list<>(forward_list&&)): Default.
4376         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4377         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4378         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4379         * include/bits/forward_list.tcc
4380         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4381         _M_impl._M_head move assignment.
4382         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4383         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4384
4385 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4386
4387         PR libstdc++/80276
4388         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4389         (UniquePointerPrinter): Print correct template argument, not type of
4390         the pointer.
4391         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4392         a type.
4393         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4394         array type.
4395         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4396         weak_ptr of array types.
4397
4398 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4399
4400         PR libstdc++/83709
4401         * include/bits/hashtable_policy.h
4402         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4403         __first != __last.
4404         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4405         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4406         Add false_type parameter.
4407         (_Insert_base::insert): Adapt.
4408         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4409         Adapt.
4410         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4411          Add __n_elt parameter, defaulted to 1.
4412         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4413         policy _M_need_rehash.
4414         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4415         produce only 1 rehash if necessary.
4416         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4417         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4418
4419 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4420             Jonathan Wakely  <jwakely@redhat.com>
4421
4422         PR libstdc++/59253 (partial)
4423         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4424         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4425         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4426         children.
4427         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4428         of unique_ptr printer.
4429         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4430         output of shared_ptr printer.
4431
4432 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4433
4434         PR libstdc++/83626
4435         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4436         unnecessary symlink_status call.
4437         (remove_all(const path&, error_code&)): Use filesystem::remove.
4438         * src/filesystem/std-ops.cc: Likewise.
4439
4440         PR libstdc++/83279
4441         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4442         sendfile.
4443
4444         PR libstdc++/83626
4445         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4446         report an error for ENOENT.
4447         (remove_all(const path&)): Fix type of result variable.
4448         (remove_all(const path&, error_code&)): Use non-throwing increment
4449         for directory iterator. Call POSIX remove directly to avoid redundant
4450         calls to symlink_status. Do not report errors for ENOENT.
4451         * src/filesystem/std-ops.cc: Likewise.
4452         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4453         overload.
4454         * testsuite/experimental/filesystem/operations/remove_all.cc:
4455         Likewise.
4456
4457 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4458
4459         PR libstdc++/83626
4460         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4461         redundant call to ec.clear().
4462         (remove_all(const path&, error_code&))): Do not return an error for
4463         non-existent paths.
4464         * src/filesystem/std-ops.cc: Likewise.
4465         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4466         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4467         results for non-existent paths.
4468         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4469         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4470         expected results for non-existent paths.
4471
4472         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4473         check status_known once.
4474         * include/experimental/bits/fs_ops.h: Likewise.
4475
4476         PR libstdc++/83607
4477         * include/std/functional (__is_byte_like): New trait.
4478         (__is_std_equal_to): Remove.
4479         (__boyer_moore_base_t): Use __is_byte_like instead of
4480         __is_std_equal_to.
4481         * include/experimental/functional (__is_std_equal_to): Remove.
4482         (__boyer_moore_base_t): Use __is_byte_like instead of
4483         __is_std_equal_to.
4484         * testsuite/20_util/function_objects/83607.cc: New test.
4485
4486 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4487
4488         Protect optional's deduction guide with the feature macro
4489         * include/std/optional: Use the feature macro.
4490
4491 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4492
4493         Update copyright years.
4494 \f
4495 Copyright (C) 2018 Free Software Foundation, Inc.
4496
4497 Copying and distribution of this file, with or without modification,
4498 are permitted in any medium without royalty provided the copyright
4499 notice and this notice are preserved.