libstdc++-v3/ChangeLog

   1 2018-10-02  Marc Glisse  <marc.glisse@inria.fr>
   2
   3         PR libstdc++/87258
   4         * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()):
   5         Rebuild _M_start with an explicit 0 offset.
   6
   7 2018-10-02  Jonathan Wakely  <jwakely@redhat.com>
   8
   9         * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get
  10         directly instead of get, as caller ensures correct index is used.
  11         (holds_alternative, get, get_if): Remove redundant inline specifiers.
  12         (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise.
  13
  14 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
  15
  16         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
  17         -fno-show-column in default cxxflags.
  18
  19 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
  20
  21         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
  22
  23 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
  24
  25         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
  26         Custom Memory Allocation".
  27
  28 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
  29
  30         * doc/html/*: Regenerate.
  31
  32 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
  33
  34         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
  35         to https.
  36
  37 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
  38
  39         * doc/xml/manual/policy_data_structures_biblio.xml: Update
  40         link to Microsoft Component Model Object Technologies.
  41
  42 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
  43
  44         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
  45         site now uses https. Also omit the unnecessary trailing slash.
  46         * doc/xml/gnu/gpl-3.0.xml: Ditto.
  47
  48 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
  49
  50         * include/debug/functions.h
  51         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
  52         const _InputIter&, __true_type)): Use empty() rather than begin() ==
  53         end().
  54
  55 2018-09-25  Mike Crowe  <mac@mcrowe.com>
  56
  57         * include/std/condition_variable (condition_variable::wait_for): Use
  58         steady clock in overload that uses a predicate.
  59
  60 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
  61
  62         PR libstdc++/87431
  63         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
  64         Avoid runtime test when all alternatives are scalars and so cannot
  65         throw during initialization.
  66
  67 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
  68
  69         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
  70         to https.
  71
  72 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
  73
  74         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
  75         to "Priority Queues and the STL".
  76
  77 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
  78
  79         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
  80         https.
  81
  82 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
  83
  84         PR libstdc++/87135
  85         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
  86         Use __builtin_floor to compute _M_next_resize.
  87         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
  88         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
  89         Adapt.
  90
  91 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
  92
  93         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
  94         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
  95         long double unconditionally, but use lower tolerance when
  96         sizeof(long double) == sizeof(double).
  97
  98 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
  99
 100         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
 101         on arm*.
 102
 103 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
 104
 105         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
 106         Remove __glibcxx_assert statements and use map::find instead of
 107         map::operator[].
 108
 109 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
 110
 111         PR libstdc++/87135
 112         * src/c++11/hashtable_c++0x.cc:
 113         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
 114         requested size, but not necessarily greater.
 115         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
 116         strictly greater than next resize threshold.
 117         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
 118         to validate that there is no rehash as long as number of insertion is
 119         lower or equal to the reserved number of elements.
 120
 121 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
 122
 123         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
 124         checking invocable condition.
 125         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
 126         here, where types must be complete. Pass pointer to deleter as an
 127         rvalue.
 128         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
 129
 130 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
 131
 132         * include/std/variant (variant) [__clang__]: Limit workaround to
 133         Clang 7 and older.
 134
 135 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
 136
 137         PR libstdc++/87278
 138         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
 139         remove_const.
 140         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
 141
 142         Implement LWG 2905 changes to constrain unique_ptr constructors
 143         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
 144         check deleter type.
 145         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
 146         constructible constraint.
 147         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
 148         deleters of reference type and add move constructible constraint.
 149         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
 150         Disable for deleters of non-reference type. Define as deleted.
 151         (unique_ptr<T[], D>): Likewise.
 152         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
 153         directives with unstable line numbers with dg-prune-output.
 154         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
 155         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
 156         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
 157         Make deleter types invocable.
 158
 159 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
 160
 161         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
 162
 163 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
 164
 165         PR libstdc++/78179
 166         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
 167         that runs the long double part of hypot.cc.
 168         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
 169         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
 170
 171         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
 172         Return raw pointer not allocator's pointer type.
 173         (vector::_Temporary_value::_M_val): Use _M_ptr.
 174
 175         PR libstdc++/87194
 176         * include/bits/stl_map.h
 177         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
 178         (map::map(initializer_list<value_type>, const Alloc&))
 179         (map::map(InputIterator, InputIterator, const Alloc&))
 180         (map::map(InputIterator, InputIterator))
 181         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
 182         (map::insert(InputIterator, InputIterator)):
 183         Call _M_insert_range_unique instead of _M_insert_unique.
 184         * include/bits/stl_multimap.h
 185         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
 186         (multimap::multimap(initializer_list<value_type>, const A&))
 187         (multimap::multimap(InputIterator, InputIterator, const A&))
 188         (multimap::multimap(InputIterator, InputIterator))
 189         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
 190         (multimap::insert(InputIterator, InputIterator)): Call
 191         _M_insert_range_equal instead of _M_insert_equal.
 192         * include/bits/stl_multiset.h
 193         (multiset::multiset(InputIterator, InputIterator))
 194         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
 195         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
 196         (multiset::multiset(initializer_list<value_type>, const A&))
 197         (multiset::multiset(InputIterator, InputIterator, const A&))
 198         (multiset::insert(InputIterator, InputIterator)): Call
 199         _M_insert_range_equal instead of _M_insert_equal.
 200         * include/bits/stl_set.h
 201         (set::set(InputIterator, InputIterator))
 202         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
 203         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
 204         (set::set(initializer_list<value_type>, const Alloc&))
 205         (set::set(InputIterator, InputIterator, const Alloc&))
 206         (set::insert(InputIterator, InputIterator)):
 207         Call _M_insert_range_unique instead of _M_insert_unique.
 208         * include/bits/stl_tree.h
 209         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
 210         template for SFINAE constraints.
 211         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
 212         constrained overloads that either insert or emplace, depending on
 213         iterator's value_type.
 214         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
 215         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
 216         (_Rb_tree::_M_insert_range_equal): New functions replacing range
 217         versions of _M_insert_unique and _M_insert_equal.
 218         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
 219         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
 220         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
 221         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
 222         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
 223         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
 224
 225         PR libstdc++/78595
 226         * include/bits/stl_map.h (map::insert(_Pair&&))
 227         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
 228         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
 229         (multimap::insert(const_iterator, _Pair&&)): Likewise.
 230         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
 231         (unordered_map::insert(const_iterator, _Pair&&))
 232         (unordered_multimap::insert(_Pair&&))
 233         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
 234         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
 235         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
 236         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
 237         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
 238         test.
 239
 240 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
 241
 242         * include/debug/safe_iterator.h
 243         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
 244         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
 245         New.
 246         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 247         ::_OtherSelf): New.
 248         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
 249         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
 250         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
 251         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 252         ::operator+(difference_type)): Use latters, inline as friend.
 253         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 254         ::operator-(difference_type)): Likewise.
 255         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 256         Likewise.
 257         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 258         Likewise.
 259         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 260         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 261         Likewise.
 262         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 263         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 264         Likewise.
 265         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 266         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
 267         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
 268         * include/debug/safe_iterator.tcc
 269         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
 270         copy.
 271         * include/debug/safe_local_iterator.h
 272         (_Safe_local_iterator<_It, _Seq>::_Self): New.
 273         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
 274         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
 275         (operator==(const _Safe_local_iterator<>&,
 276         const _Safe_local_iterator<>&)): Use latter, inline as friend.
 277         (operator!=(const _Safe_local_iterator<>&,
 278         const _Safe_local_iterator<>&)): Likewise.
 279         * testsuite/util/testsuite_containers.h: Include utility.
 280         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
 281         parameter.
 282         (forward_members_unordered<>::forward_members_unordered(value_type&)):
 283         Add using namespace std::rel_ops.
 284         Add iterator_concept_checks on local_iterator and const_local_iterator.
 285         Add asserts on comparison between const_local_iterator and
 286         local_iterator.
 287         (struct forward_members_unordered<_Tp, false>): Remove partial
 288         specialization.
 289         * testsuite/23_containers/forward_list/types/1.cc: New.
 290         * testsuite/23_containers/list/types/1.cc: New.
 291
 292 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 293
 294         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
 295         references.
 296
 297 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
 298
 299         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
 300         Add dg-require-fileio.
 301         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
 302         Likewise.
 303         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
 304         Likewise.
 305         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
 306         Likewise.
 307         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
 308         Likewise.
 309         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 310         Likewise.
 311         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
 312         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
 313         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
 314         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
 315         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
 316         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
 317         Likewise.
 318         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
 319         Likewise.
 320         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
 321         Likewise.
 322         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 323         Likewise.
 324         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 325         Likewise.
 326         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 327         Likewise.
 328         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 329         Likewise.
 330         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 331         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 332         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 333         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 334         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 335         Likewise.
 336         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 337         Likewise.
 338         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 339         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 340         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 341         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 342         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 343         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 344         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 345         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 346         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 347         Likewise.
 348         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 349         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 350         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 351         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 352         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 353         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 354         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 355         Likewise.
 356         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 357
 358 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 359
 360         * testsuite/experimental/propagate_const/observers/1.cc: Make
 361         dependence on -fdelete-null-pointer-checks explicit.
 362
 363 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 364
 365         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 366         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 367         of the number of bits in the type.
 368         * include/std/bit (__ceil2): Avoid undefined shifts.
 369         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 370         the most signifiant bit set.
 371
 372         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 373
 374         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 375         pointer arithmetic using long long offsets.
 376         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 377         long long values.
 378
 379 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 380
 381         PR libstdc++/31413
 382         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 383         string for alternative format.
 384
 385 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 386
 387         PR libstdc++/87116
 388         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 389         a dot-dot filename, preserve an empty final component in the iteration
 390         sequence.
 391         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 392         root-directory.
 393         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 394         for more than two adjacent dot-dot filenames.
 395         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 396         preferred-separator in expected normalized strings.
 397
 398 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 399
 400         PR libstdc++/70694
 401         * configure.host (OPT_LDFLAGS): Don't append
 402         -fvisibility-inlines-hidden for newer Darwin.
 403
 404 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 405
 406         PR libstdc++/86822
 407         * libsupc++/new (operator new(size_t, nothrow_t), operator
 408         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 409         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 410
 411 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 412
 413         * include/debug/deque (std::__debug::deque): Declare.
 414         * include/debug/forward_list (std::__debug::forward_list): Declare.
 415         * include/debug/list (std::__debug::list): Declare.
 416         * include/debug/map (std::__debug::map): Declare.
 417         * include/debug/set (std::__debug::set): Declare.
 418         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 419         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 420         * include/debug/vector (std::__debug::vector): Declare.
 421         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 422         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 423         test.
 424         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 425         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 426         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 427         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 428         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 429         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 430         test.
 431         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 432         New test.
 433         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 434         New test.
 435         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 436         test.
 437         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 438         Adjust dg-error lineno.
 439         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 440         test.
 441
 442 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 443
 444         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 445         Only define when RTTI is enabled.
 446
 447         * include/debug/vector (__niter_base): Define for C++98.
 448
 449         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 450         Fix C++98 test to not use C++11 features.
 451         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 452
 453         * scripts/check_compile: Fix comments.
 454
 455         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 456         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 457         begin(), for C++98 compatibility.
 458
 459         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 460         (basic_string::__const_iterator): Change access to protected.
 461         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 462         as typedef for iterator.
 463         * include/debug/string (__const_iterator): Use typedef from base.
 464         (insert(const_iterator, _CharT))
 465         (replace(const_iterator, const_iterator, const basic_string&))
 466         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 467         (replace(const_iterator, const_iterator, const CharT*))
 468         (replace(const_iterator, const_iterator, size_type, _CharT))
 469         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 470         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 471         Change const_iterator parameters to __const_iterator.
 472         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 473         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 474         const_iterator parameter to __const_iterator.
 475         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 476         of base's member function.
 477         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 478         Likewise.
 479         (insert(const_iterator, initializer_list<_CharT>))
 480         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 481         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 482         target directive.
 483
 484         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 485         not use C++14 feature.
 486         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 487
 488         * testsuite/21_strings/basic_string/init-list.cc:
 489         Require cxx11-abi.
 490         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 491         Likewise.
 492         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 493         Likewise.
 494
 495         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 496         C++98 mode.
 497         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 498         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 499         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 500         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 501         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 502
 503 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 504
 505         PR libstdc++/87061
 506         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 507         (experimental::pmr::match_results, experimental::pmr::cmatch)
 508         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 509         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 510         because COW strings don't support C++11 allocator model.
 511         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 512         (experimental::pmr::basic_string, experimental::pmr::string)
 513         (experimental::pmr::u16string, experimental::pmr::u32string)
 514         (experimental::pmr::wstring): Likewise.
 515         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 516         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 517         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 518         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 519         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 520         cxx11-abi.
 521         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 522
 523         PR libstdc++/78448
 524         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 525         _S_check_init_len to check size.
 526         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 527         error if size would exceed max_size().
 528         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 529         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 530         size_t instead of size_type.
 531         (deq(size_type, const allocator_type&)
 532         (deq(size_type, const value_type&, const allocator_type&)
 533         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 534         (deque::max_size): Call _S_max_size.
 535         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 536         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 537         (vector(size_type, const value_type&, const allocator_type&))
 538         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 539         _S_check_init_len to check size.
 540         (vector::max_size): Call _S_max_size.
 541         (vector::_M_check_len): Prevent max from being expanded as a
 542         function-like macro.
 543         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 544         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 545         _S_check_init_len to check size.
 546         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 547         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 548
 549 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 550
 551         PR libstdc++/68222
 552         * include/debug/safe_iterator.h
 553         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 554         (_Safe_iterator<>::_Const_iterator): Remove.
 555         (_Safe_iterator<>::_IsConstant): New.
 556         (_Safe_iterator<>::_OtherIterator): New.
 557         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 558         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 559         __gnu_cxx::__enable_if condition.
 560         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 561         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 562         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 563         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 564         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 565         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 566         ::operator--()): ...here.
 567         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 568         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 569         ::operator--(int)): ...here.
 570         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 571         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 572         ::_M_decrementable()): ...here.
 573         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 574         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
 575         Move...
 576         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 577         ::operator[](const difference_type&)): ...here.
 578         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 579         Move...
 580         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 581         ::operator+=(const difference_type&)): ...here.
 582         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 583         Move...
 584         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 585         ::operator+(const difference_type&)): ...here.
 586         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 587         Move...
 588         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 589         ::operator-=(const difference_type&)): ...here.
 590         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 591         Move...
 592         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 593         ::operator-(const difference_type&)): ...here.
 594         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 595         Constraint to random access iterators.
 596         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 597         Likewise.
 598         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 599         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 600         Likewise.
 601         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 602         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 603         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 604         (__get_distance): Remove.
 605         (__get_distance_from_begin): Remove.
 606         (__get_distance_to_end): Remove.
 607         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 608         specialization.
 609         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 610         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 611         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 612         * include/debug/safe_iterator.tcc
 613         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 614         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 615         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 616         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 617         ::_M_valid_range): New.
 618         * include/debug/safe_local_iterator.h
 619         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 620         (_Safe_local_iterator<>::_IsConstant): New.
 621         (_Safe_local_iterator<>::_OtherIterator): New.
 622         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 623         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 624         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 625         with _MutIte rather than _It.
 626         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 627         (_Safe_local_iterator<>::_M_get_distance_to): New.
 628         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 629         (__get_distance(const _Safe_local_iterator<>&,
 630         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 631         (__valid_range(const _Safe_local_iterator<>&,
 632         const _Safe_local_iterator<>&)): New.
 633         * include/debug/safe_local_iterator.tcc
 634         (_Safe_local_iterator<>::_M_get_distance_to): New.
 635         * include/debug/deque (std::__debug::deque<>): Add
 636         ::__gnu_debug::_Safe_iterator<> friend declaration.
 637         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 638         * include/debug/list (std::__debug::list<>): Likewise.
 639         * include/debug/map.h (std::__debug::map<>): Likewise.
 640         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 641         * include/debug/set.h (std::__debug::set<>): Likewise.
 642         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 643         * include/debug/string (std::__debug::basic_string<>): Likewise.
 644         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 645         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 646         (std::__debug::unordered_multimap<>): Likewise.
 647         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 648         (std::__debug::unordered_multiset<>): Likewise.
 649         * include/debug/formatter.h: Adapt.
 650         * include/debug/helper_functions.h
 651         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 652         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 653         Pass parameter by copy.
 654         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 655         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 656         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 657         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 658         (__valid_range<>(const _Safe_iterator<>&,
 659         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 660         Declare.
 661         (__valid_range(const _Safe_local_iterator<>&,
 662         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 663         Declare.
 664         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 665         Declare.
 666         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 667         Declare.
 668         (__can_advance): Adapt.
 669         (struct __is_safe_random_iterator<>): Remove.
 670         (struct _SIter_base<>): Remove.
 671         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 672         (__check_dereferenceable): Remove.
 673         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 674         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 675         (__foreign_iterator): Adapt.
 676         * include/debug/stl_iterator.h
 677         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 678         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 679         Constraint for random access iterators.
 680         (__niter_base): Adapt.
 681         * testsuite/util/testsuite_containers.h:
 682         Include <bits/boost_concept_check.h>.
 683         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 684         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 685         latter for container iterator and const_iterator.
 686         * testsuite/23_containers/list/68222_neg.cc: New.
 687         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 688         line number.
 689         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 690         (test01): Remove.
 691         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 692         Remove.
 693
 694 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 695
 696         PR libstdc++/77854
 697         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 698         difference_type for containers.
 699         * doc/html/*: Regenerate.
 700
 701 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 702
 703         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 704         * include/debug/forward_list (forward_list::__remove_return_type):
 705         Define typedef as size_type or void, according to __cplusplus value.
 706         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 707         empty, according to __cplusplus value.
 708         (_GLIBCXX20_ONLY): Define macro.
 709         (forward_list::remove, forward_list::unique): Use typedef and macro
 710         to change return type and add abi-tag for C++2a. Return number of
 711         removed elements for C++2a.
 712         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 713         typedef to change return type for C++2a. Return number of removed
 714         elements for C++2a.
 715         * include/debug/list (list::__remove_return_type): Define typedef as
 716         size_type or void, according to __cplusplus value.
 717         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 718         empty, according to __cplusplus value.
 719         (_GLIBCXX20_ONLY): Define macro.
 720         (list::remove, list::unique): Use typedef and macro to change return
 721         type and add abi-tag for C++2a. Return number of removed elements for
 722         C++2a.
 723         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 724         to change return type for C++2a. Return number of removed elements for
 725         C++2a.
 726
 727 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
 728
 729         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
 730
 731 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
 732
 733         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
 734         redundant dg-do directive.
 735         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
 736         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
 737         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
 738         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
 739
 740 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
 741
 742         PR libstdc++/86963
 743         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
 744         (_Tuple_impl::_M_assign): New functions to perform assignment instead
 745         of assignment operators.
 746         (_Tuple_impl::_M_swap): Remove exception specification.
 747         (_Tuple_impl<_Idx, _Head>): Likewise.
 748         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
 749         (__tuple_base): Remove.
 750         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
 751         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
 752         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
 753         using __is_nothrow_swappable.
 754         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
 755
 756         * include/std/optional (_Optional_payload): Use variable templates
 757         for conditions in default template arguments and exception
 758         specifications.
 759         (optional): Likewise. Adjust indentation.
 760         (optional::__not_self, optional::__not_tag, optional::_Requires): New
 761         SFINAE helpers.
 762         (optional::optional): Use new helpers in constructor constraints.
 763         * include/std/type_traits (__or_v, __and_v): New variable templates.
 764         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
 765         dg-prune-output. Remove unused header.
 766
 767 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
 768
 769         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
 770         _GLIBCXX_DEBUG.
 771
 772 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
 773
 774         PR libstdc++/86963
 775         * include/std/tuple (__tuple_base): New class template with deleted
 776         copy assignment operator.
 777         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
 778         implicit copy/move assignment operator will be deleted/suppressed.
 779         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
 780         functions for SFINAE constraints on assignment operators.
 781         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
 782         New helper functions for exception specifications.
 783         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
 784         (tuple<_T1, _T2>::operator=(const tuple&))
 785         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
 786         __nonesuch_no_braces when the operator should be defined implicitly.
 787         Use __nothrow_assignable for exception specifications.
 788         (tuple::operator=(const tuple<_UElements...>&))
 789         (tuple::operator=(tuple<_UElements...>&&))
 790         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
 791         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
 792         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
 793         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
 794         __assignable and use __nothrow_assignable for exception
 795         specifications.
 796         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
 797         gdb.Type as first argument, instead of a string.
 798         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
 799         tuple for expected structure.
 800         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
 801         * testsuite/20_util/tuple/dr2729.cc: New test.
 802         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
 803         to dg-prune-output.
 804
 805 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
 806
 807         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
 808         about signed/unsigned comparison.
 809
 810         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
 811         deprecation warnings for using uncaught_exception().
 812
 813         PR libstdc++/86447
 814         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
 815         (logic_error::logic_error(logic_error&&))
 816         (logic_error::operator=(logic_error&&))
 817         (runtime_error::runtime_error(runtime_error&&))
 818         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
 819         moving, to avoid allocating empty reps for moved-from strings.
 820
 821 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
 822
 823         * include/experimental/regex: Remove begin/end macros for namespace.
 824         * include/experimental/string: Likewise.
 825         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
 826         New test.
 827         * testsuite/experimental/polymorphic_allocator/
 828         pmr_typedefs_forward_list.cc: New test.
 829         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
 830         New test.
 831         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
 832         New test.
 833         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 834         New test.
 835         * testsuite/experimental/polymorphic_allocator/
 836         pmr_typedefs_multimap.cc: New test.
 837         * testsuite/experimental/polymorphic_allocator/
 838         pmr_typedefs_multiset.cc: New test.
 839         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
 840         New test.
 841         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 842         New test.
 843         * testsuite/experimental/polymorphic_allocator/
 844         pmr_typedefs_unordered_map.cc: New test.
 845         * testsuite/experimental/polymorphic_allocator/
 846         pmr_typedefs_unordered_multimap.cc: New test.
 847         * testsuite/experimental/polymorphic_allocator/
 848         pmr_typedefs_unordered_multiset.cc: New test.
 849         * testsuite/experimental/polymorphic_allocator/
 850         pmr_typedefs_unordered_set.cc: New test.
 851         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
 852         New test.
 853
 854         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 855         calls to __uses_allocator_construct_impl and __use_alloc.
 856         * include/experimental/memory_resource
 857         (polymorphic_allocator::_M_construct): Remove.
 858         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 859         Qualify calls to __use_alloc.
 860         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 861         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 862         to _S_construct overloads.
 863         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 864         arguments to _S_construct_p.
 865         (polymorphic_allocator::_S_construct): Remove.
 866         (polymorphic_allocator::_S_construct_p): Return allocators by value
 867         not by reference.
 868         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 869         Qualify calls to __use_alloc.
 870         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 871         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 872         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 873         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 874         New test.
 875
 876         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 877         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 878
 879 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 880
 881         PR libstdc++/86954
 882         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 883         non-placement delete.
 884
 885         * include/std/chrono (__check_overflow): Simplify definition.
 886         (_Checked_integral_constant): Remove.
 887
 888         PR libstdc++/86846
 889         * src/c++17/default_resource.h: New file, defining default_res.
 890         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 891         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 892         using a mutex instead of atomics.
 893
 894         PR libstdc++/85343
 895         * config/abi/pre/gnu.ver: Export new symbol.
 896         * doc/xml/manual/abi.xml: Document new versions.
 897         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 898         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 899         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 900         Declare new overload.
 901         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 902         and static member function.
 903         (__throw_ios_failure(const char*, int)): Define.
 904         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 905         (__throw_ios_failure(const char*, int)): Define.
 906
 907 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 908
 909         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 910         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 911         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 912         copied/assigned rope iterators don't retain pointers to the iterator
 913         they were copied/assigned from.
 914         * testsuite/ext/rope/7.cc: New.
 915
 916 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 917
 918         PR libstdc++/45093
 919         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 920         Combine definitions to avoid --detect-odr-violations warning.
 921
 922         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 923         __is_pow2 to check for valid alignment. Avoid branching when rounding
 924         size to multiple of alignment.
 925
 926         * include/Makefile.am: Install <bit> and <version> for freestanding.
 927         * include/Makefile.in: Regenerate.
 928         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 929
 930         Revert
 931         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 932
 933         PR target/85904
 934         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 935         Newlib.
 936         * configure: Regenerate.
 937
 938 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 939
 940         PR libstdc++/68210
 941         * doc/xml/manual/intro.xml: Document LWG 206 change.
 942         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 943         * libsupc++/del_opa.cc: Likewise.
 944         * libsupc++/del_opant.cc: Likewise.
 945         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 946         of free(ptr).
 947         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 948         * libsupc++/del_opsa.cc: Likewise.
 949         * libsupc++/del_opva.cc: Likewise.
 950         * libsupc++/del_opvant.cc: Likewise.
 951         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 952         instead of operator delete(ptr).
 953         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 954         * libsupc++/del_opvsa.cc: Likewise.
 955         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 956         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 957         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 958         with noexcept.
 959         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 960         malloc(sz).
 961         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 962         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 963         operator new(sz, nothrow).
 964         * testsuite/18_support/new_nothrow.cc: New test.
 965
 966 2018-08-10  Martin Liska  <mliska@suse.cz>
 967
 968         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 969         predictor can handle that.
 970         * libsupc++/new_opa.cc: Likewise.
 971         * libsupc++/new_opnt.cc (new): Likewise.
 972
 973 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 974
 975         PR target/85904
 976         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 977         Newlib.
 978         * configure: Regenerate.
 979
 980 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 981
 982         * include/std/deque (std::pmr::deque): Declare alias.
 983         * include/std/forward_list (std::pmr::forward_list): Likewise.
 984         * include/std/list (std::pmr::list): Likewise.
 985         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 986         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 987         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 988         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 989         * include/std/string (std::pmr::basic_string, std::pmr::string)
 990         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 991         Likewise.
 992         * include/std/unordered_map (std::pmr::unordered_map)
 993         (std::pmr::unordered_multimap): Likewise.
 994         * include/std/unordered_set (std::pmr::unordered_set)
 995         (std::pmr::unordered_multiset): Likewise.
 996         * include/std/vector (std::pmr::vector): Likewise.
 997         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 998         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 999         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
1000         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
1001         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
1002         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
1003         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
1004         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
1005         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
1006         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
1007         test.
1008         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
1009         test.
1010         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
1011         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
1012         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
1013
1014 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
1015
1016         * include/bits/stl_algo.h
1017         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
1018         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
1019         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
1020         duplication...
1021         (rotate(_Ite, _Ite, _Ite)): ...here.
1022         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
1023         Simplify rotate call.
1024         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
1025         Likewise.
1026         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
1027         Likewise.
1028
1029 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
1030
1031         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
1032         avoid clashing with an ::aligned_alloc function that was not detected
1033         by configure.
1034
1035         * doc/xml/manual/using.xml: Fix markup for empty table entry.
1036         * doc/html/*: Regenerate.
1037
1038         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
1039         * doc/html/*: Regenerate.
1040
1041         PR libstdc++/86597
1042         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
1043         Clear error_code when cached type is used.
1044         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
1045
1046 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
1047
1048         PR libstdc++/86874
1049         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
1050         here instead of in _Move_assign_base.
1051         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
1052         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
1053         the contained value to another alternative.
1054         (_Move_assign_base::operator=): Likewise.
1055         (_Move_assign_base::_M_destructive_move): Remove.
1056         * testsuite/20_util/variant/86874.cc: New test.
1057
1058         PR libstdc++/86861
1059         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
1060         Replace macro with inline function.
1061         [__sun]: Increase alignment to meet memalign precondition.
1062         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
1063         (aligned_alloc): Move check for valid alignment to operator new.
1064         Remove redundant check for non-zero size, it's enforced by the caller.
1065         (operator new): Move check for valid alignment here. Use
1066         __builtin_expect on check for zero size.
1067
1068         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
1069         * include/std/memory_resource (monotonic_buffer_resource::release):
1070         Call _M_release_buffers to free buffers.
1071         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
1072         allocate a new buffer from upstream.
1073         (monotonic_buffer_resource::_M_new_buffer): Declare.
1074         (monotonic_buffer_resource::_M_release_buffers): Declare.
1075         (monotonic_buffer_resource::_Chunk): Replace definition with
1076         declaration as opaque type.
1077         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
1078         Define.
1079         (monotonic_buffer_resource::_M_new_buffer): Define.
1080         (monotonic_buffer_resource::_M_release_buffers): Define.
1081
1082 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
1083
1084         * include/bits/stl_iterator.h: Fix comment.
1085
1086 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
1087
1088         * src/c++11/system_error.cc
1089         (system_error_category::default_error_condition): Add workaround for
1090         ENOTEMPTY and EEXIST having the same value on AIX.
1091         * testsuite/19_diagnostics/error_category/system_category.cc: Add
1092         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
1093
1094 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1095
1096         * configure: Regenerate.
1097         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
1098         * src/c++11/futex.cc: Use __glibcxx_assert instead of
1099         _GLIBCXX_DEBUG_ASSERT.
1100
1101 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1102
1103         * include/std/condition_variable (wait_for): Use steady_clock.
1104
1105 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1106
1107         * include/std/condition_variable (wait_until): Only report timeout
1108         if we really have timed out when measured against the
1109         caller-supplied clock.
1110         * testsuite/30_threads/condition_variable/members/2.cc: Add test
1111         case to confirm above behaviour.
1112
1113 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1114
1115         PR libstdc++/60555
1116         * src/c++11/system_error.cc
1117         (system_error_category::default_error_condition): New override to
1118         check for POSIX errno values.
1119         * testsuite/19_diagnostics/error_category/generic_category.cc: New
1120         * testsuite/19_diagnostics/error_category/system_category.cc: New
1121         test.
1122
1123 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
1124
1125         PR libstdc++/86751
1126         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
1127         assignment operator.
1128         (pair): Derive from __pair_base.
1129         (pair::operator=): Remove deleted overload.
1130         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
1131         so that new base class isn't shown in GDB.
1132         * testsuite/20_util/pair/86751.cc: New test.
1133         * testsuite/20_util/pair/ref_assign.cc: New test.
1134
1135         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1136         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
1137         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
1138         instead of __has_builtin.
1139         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1140         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
1141         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
1142         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
1143         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
1144         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
1145         (__cpp_lib_has_unique_object_representations): Don't define when
1146         builtin not available.
1147         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
1148         Likewise.
1149         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
1150         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
1151         from here.
1152
1153         * doc/xml/manual/test.xml: Improve documentation on writing tests for
1154         newer standards.
1155         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
1156         * doc/html/*: Regenerate.
1157
1158         * include/ext/pointer.h [__cplusplus >= 201103L]
1159         (_Pointer_adapter::operator bool): Add explicit conversion operator
1160         to replace safe bool idiom.
1161
1162 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
1163
1164         PR libstdc++/86734
1165         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
1166         _S_to_pointer (LWG 1052, LWG 2118).
1167         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
1168         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
1169         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
1170
1171         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
1172         workaround for aligned_alloc bug on AIX.
1173         * testsuite/18_support/new_aligned.cc: New test.
1174
1175 2018-07-26  Marek Polacek  <polacek@redhat.com>
1176
1177         * testsuite/30_threads/condition_variable_any/cond.cc: New.
1178
1179 2018-07-26  Marek Polacek  <polacek@redhat.com>
1180
1181         * src/c++98/locale_init.cc: Fix #ifdef condition.
1182
1183 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1184
1185         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
1186         dg-require-cstdint directive.
1187         * testsuite/20_util/allocator/overaligned.cc: Likewise.
1188         * testsuite/20_util/any/cons/aligned.cc: Likewise.
1189         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
1190         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
1191         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1192         Likewise.
1193         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1194         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
1195         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
1196         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
1197         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
1198         random_device effective-target.
1199         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
1200         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
1201         * testsuite/25_algorithms/sample/2.cc: Likewise.
1202         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
1203         and random_device.
1204         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
1205         cstdint.
1206         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1207         Likewise.
1208         * testsuite/26_numerics/random/discard_block_engine/requirements/
1209         constexpr_data.cc: Likewise.
1210         * testsuite/26_numerics/random/discard_block_engine/requirements/
1211         constexpr_functions.cc: Likewise.
1212         * testsuite/26_numerics/random/independent_bits_engine/requirements/
1213         constexpr_functions.cc: Likewise.
1214         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1215         constexpr_data.cc: Likewise.
1216         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1217         constexpr_functions.cc: Likewise.
1218         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1219         constexpr_data.cc: Likewise.
1220         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1221         constexpr_functions.cc: Likewise.
1222         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1223         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1224         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1225         constexpr_data.cc: Add dg-require-cstdint directive.
1226         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1227         constexpr_functions.cc: Likewise.
1228         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1229         constexpr_data.cc: Likewise.
1230         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1231         constexpr_functions.cc: Likewise.
1232         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1233         64351.cc: Likewise.
1234         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1235         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1236         * testsuite/experimental/algorithm/sample.cc: Likewise.
1237         * testsuite/experimental/algorithm/search.cc: Likewise.
1238         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1239         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1240         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1241         Likewise.
1242         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1243         * testsuite/experimental/random/randint.cc: Likewise.
1244         * testsuite/experimental/source_location/1.cc: Likewise.
1245         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1246         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1247         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1248         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1249         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1250         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1251         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1252         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1253         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1254         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1255         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1256         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1257         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1258         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1259         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1260         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1261         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1262         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1263         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1264         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1265         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1266         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1267         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1268
1269         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1270         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1271         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1272         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1273         Likewise.
1274         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1275         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1276         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1277         Likewise.
1278         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1279         Likewise.
1280         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1281         Likewise.
1282         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1283         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1284         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1285         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1286         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1287         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1288         Likewise.
1289         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1290         Likewise.
1291         * testsuite/30_threads/recursive_timed_mutex/dest/
1292         destructor_locked.cc: Likewise.
1293         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1294         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1295         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1296         Likewise.
1297         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1298         typesizes.cc: Likewise.
1299         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1300         Likewise.
1301         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1302         Likewise.
1303         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1304         Likewise.
1305         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1306         Likewise.
1307         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1308         Likewise.
1309         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1310         Likewise.
1311         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1312         Likewise.
1313         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1314         Likewise.
1315         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1316         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1317         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1318         * testsuite/30_threads/scoped_lock/requirements/
1319         explicit_instantiation.cc: Likewise.
1320         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1321         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1322         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1323         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1324         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1325         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1326         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1327         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1328         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1329         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1330         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1331         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1332         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1333         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1334         * testsuite/30_threads/shared_future/requirements/
1335         explicit_instantiation.cc: Likewise.
1336         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1337         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1338         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1339         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1340         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1341         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1342         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1343         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1344         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1345         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1346         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1347         * testsuite/30_threads/shared_lock/requirements/
1348         explicit_instantiation.cc: Likewise.
1349         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1350         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1351         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1352         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1353         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1354         Likewise.
1355         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1356         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1357         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1358         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1359         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1360         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1361         * testsuite/30_threads/shared_timed_mutex/requirements/
1362         standard_layout.cc: Likewise.
1363         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1364         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1365         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1366         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1367         * testsuite/30_threads/this_thread/1.cc: Likewise.
1368         * testsuite/30_threads/this_thread/2.cc: Likewise.
1369         * testsuite/30_threads/this_thread/3.cc: Likewise.
1370         * testsuite/30_threads/this_thread/4.cc: Likewise.
1371         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1372         * testsuite/30_threads/thread/70503.cc: Likewise.
1373         * testsuite/30_threads/thread/84532.cc: Likewise.
1374         * testsuite/30_threads/thread/adl.cc: Likewise.
1375         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1376         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1377         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1378         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1379         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1380         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1381         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1382         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1383         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1384         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1385         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1386         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1387         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1388         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1389         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1390         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1391         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1392         * testsuite/30_threads/thread/members/1.cc: Likewise.
1393         * testsuite/30_threads/thread/members/2.cc: Likewise.
1394         * testsuite/30_threads/thread/members/3.cc: Likewise.
1395         * testsuite/30_threads/thread/members/4.cc: Likewise.
1396         * testsuite/30_threads/thread/members/5.cc: Likewise.
1397         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1398         Likewise.
1399         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1400         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1401         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1402         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1403         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1404         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1405         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1406         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1407         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1408         Likewise.
1409         * testsuite/30_threads/timed_mutex/requirements/
1410         standard_layout.cc: Likewise.
1411         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1412         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1413         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1414         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1415         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1416         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1417         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1418         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1419         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1420         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1421         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1422         * testsuite/30_threads/try_lock/1.cc: Likewise.
1423         * testsuite/30_threads/try_lock/2.cc: Likewise.
1424         * testsuite/30_threads/try_lock/3.cc: Likewise.
1425         * testsuite/30_threads/try_lock/4.cc: Likewise.
1426         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1427         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1428         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1429         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1430         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1431         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1432         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1433         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1434         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1435         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1436         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1437         * testsuite/30_threads/unique_lock/requirements/
1438         explicit_instantiation.cc: Likewise.
1439         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1440
1441         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1442         directive.
1443         * testsuite/30_threads/async/49668.cc: Likewise.
1444         * testsuite/30_threads/async/54297.cc: Likewise.
1445         * testsuite/30_threads/async/84532.cc: Likewise.
1446         * testsuite/30_threads/async/any.cc: Likewise.
1447         * testsuite/30_threads/async/async.cc: Likewise.
1448         * testsuite/30_threads/async/except.cc: Likewise.
1449         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1450         * testsuite/30_threads/async/launch.cc: Likewise.
1451         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1452         * testsuite/30_threads/async/sync.cc: Likewise.
1453         * testsuite/30_threads/call_once/39909.cc: Likewise.
1454         * testsuite/30_threads/call_once/49668.cc: Likewise.
1455         * testsuite/30_threads/call_once/60497.cc: Likewise.
1456         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1457         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1458         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1459         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1460         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1461         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1462         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1463         Likewise.
1464         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1465         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1466         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1467         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1468         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1469         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1470         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1471         Likewise.
1472         * testsuite/30_threads/condition_variable/requirements/
1473         standard_layout.cc: Likewise.
1474         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1475         * Likewise.
1476         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1477         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1478         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1479         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1480         Likewise.
1481         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1482         Likewise.
1483         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1484         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1485         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1486         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1487         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1488         * testsuite/30_threads/future/cons/default.cc: Likewise.
1489         * testsuite/30_threads/future/cons/move.cc: Likewise.
1490         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1491         * testsuite/30_threads/future/members/45133.cc: Likewise.
1492         * testsuite/30_threads/future/members/get.cc: Likewise.
1493         * testsuite/30_threads/future/members/get2.cc: Likewise.
1494         * testsuite/30_threads/future/members/share.cc: Likewise.
1495         * testsuite/30_threads/future/members/valid.cc: Likewise.
1496         * testsuite/30_threads/future/members/wait.cc: Likewise.
1497         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1498         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1499         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1500         Likewise.
1501         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1502         Likewise.
1503         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1504         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1505         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1506         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1507         * testsuite/30_threads/lock/1.cc: Likewise.
1508         * testsuite/30_threads/lock/2.cc: Likewise.
1509         * testsuite/30_threads/lock/3.cc: Likewise.
1510         * testsuite/30_threads/lock/4.cc: Likewise.
1511         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1512         * testsuite/30_threads/lock_guard/requirements/
1513         explicit_instantiation.cc: Likewise.
1514         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1515         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1516         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1517         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1518         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1519         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1520         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1521         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1522         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1523         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1524         Likewise.
1525         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1526         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1527         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1528         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1529         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1530         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1531         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1532         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1533         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1534         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1535         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1536         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1537         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1538         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1539         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1540         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1541         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1542         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1543         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1544         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1545         Likewise.
1546         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1547         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1548         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1549         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1550         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1551         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1552         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1553         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1554         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1555         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1556         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1557         * testsuite/30_threads/packaged_task/requirements/
1558         explicit_instantiation.cc: Likewise.
1559         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1560         * testsuite/30_threads/promise/60966.cc: Likewise.
1561         * testsuite/30_threads/promise/69106.cc: Likewise.
1562         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1563         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1564         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1565         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1566         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1567         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1568         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1569         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1570         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1571         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1572         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1573         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1574         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1575         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1576         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1577         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1578         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1579         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1580         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1581         * Likewise.
1582         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1583
1584         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1585         from namespace std.
1586         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1587         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1588         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1589         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1590         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1591         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1592         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1593         * testsuite/20_util/duration/cons/1.cc: Likewise.
1594         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1595         * testsuite/20_util/duration/cons/2.cc: Likewise.
1596         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1597         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1598         * testsuite/20_util/duration/requirements/explicit_instantiation/
1599         explicit_instantiation.cc: Likewise.
1600         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1601         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1602         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1603         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1604         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1605         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1606         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1607         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1608         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1609         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1610         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1611         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1612         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1613         * testsuite/20_util/system_clock/1.cc: Likewise.
1614         * testsuite/20_util/time_point/1.cc: Likewise.
1615         * testsuite/20_util/time_point/2.cc: Likewise.
1616         * testsuite/20_util/time_point/3.cc: Likewise.
1617         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1618         explicit_instantiation.cc: Likewise.
1619         * testsuite/21_strings/basic_string/requirements/
1620         explicit_instantiation/char16_t/1.cc: Likewise.
1621         * testsuite/21_strings/basic_string/requirements/
1622         explicit_instantiation/char32_t/1.cc: Likewise.
1623         * testsuite/21_strings/basic_string_view/requirements/
1624         explicit_instantiation/char16_t/1.cc: Likewise.
1625         * testsuite/21_strings/basic_string_view/requirements/
1626         explicit_instantiation/char32_t/1.cc: Likewise.
1627         * testsuite/21_strings/char_traits/requirements/
1628         explicit_instantiation/char16_t/1.cc: Likewise.
1629         * testsuite/21_strings/char_traits/requirements/
1630         explicit_instantiation/char32_t/1.cc: Likewise.
1631         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1632         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1633         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1634         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1635         Likewise.
1636         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1637         Likewise.
1638         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1639         Likewise.
1640         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1641         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1642         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1643         Likewise.
1644         * testsuite/experimental/string_view/requirements/
1645         explicit_instantiation/char16_t/1.cc: Likewise.
1646         * testsuite/experimental/string_view/requirements/
1647         explicit_instantiation/char32_t/1.cc: Likewise.
1648         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1649         1.cc: Likewise.
1650         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1651         1.cc: Likewise.
1652
1653         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1654         (random_condition, throw_value_random, throw_allocator_random)
1655         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1656         not usable.
1657         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1658         define transactional memory support when <stdint.h> is not usable.
1659
1660         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1661         implementation that doesn't depend on <stdint.h> types.
1662         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1663         std::size_t when std::uintptr_t is not usable.
1664         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1665         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1666         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1667
1668         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1669         (hash<u16string>, hash<u32string>): Remove dependency on
1670         _GLIBCXX_USE_C99_STDINT_TR1.
1671         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1672         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1673         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1674         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1675         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1676         (codecvt<char16_t, char, mbstate_t>)
1677         (codecvt<char32_t, char, mbstate_t>)
1678         (codecvt_byname<char16_t, char, mbstate_t>)
1679         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1680         on _GLIBCXX_USE_C99_STDINT_TR1.
1681         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1682         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1683         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1684         (char_traits<char16_t>, char_traits<char32_t>)
1685         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1686         on _GLIBCXX_USE_C99_STDINT_TR1.
1687         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1688         (u16string_view, u32string_view, hash<u16string_view>)
1689         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1690         (operator""sv(const char32_t, size_t)): Likewise.
1691         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1692         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1693         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1694         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1695         (__u32sso_string, __u32rc_string): Likewise.
1696         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1697         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1698         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1699         (u16string_view, u32string_view, hash<u16string_view>)
1700         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1701         (operator""sv(const char32_t, size_t)): Likewise.
1702         * src/c++11/codecvt.cc: Likewise.
1703         * src/c++98/locale_init.cc: Likewise.
1704         * src/c++98/localename.cc: Likewise.
1705
1706         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1707         (__atomic_futex_unsigned_base): Remove dependency on
1708         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1709         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1710         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1711         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1712         (uintmax_t): Define using predefined macros.
1713         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1714         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1715         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1716         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1717         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1718         long long when <stdint.h> is not usable.
1719         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1720         (condition_variable, condition_variable_any): Remove dependency on
1721         _GLIBCXX_USE_C99_STDINT_TR1.
1722         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1723         (packaged_task, async): Likewise.
1724         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1725         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1726         (once_flag, call_once): Likewise.
1727         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1728         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1729         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1730         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1731         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1732         (this_thread::sleep_until): Likewise.
1733         * src/c++11/chrono.cc: Remove dependency on
1734         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1735         * src/c++11/condition_variable.cc: Likewise.
1736         * src/c++11/futex.cc: Likewise.
1737         * src/c++11/future.cc: Likewise.
1738         * src/c++11/mutex.cc: Likewise.
1739         * src/c++11/thread.cc: Likewise.
1740         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1741         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1742         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1743         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1744         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1745         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1746
1747 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1748
1749         PR libstdc++/77691
1750         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1751         xfail execution on 32-bit Solaris/x86.
1752
1753 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1754
1755         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1756         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1757         (vector::_M_move_assign): Reorder the swaps.
1758
1759 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1760
1761         PR libstdc++/86676
1762         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1763         same alignment for post-release allocation.
1764
1765 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1766
1767         PR libstdc++/86676
1768         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1769         buffer being misaligned and so returned pointer not being at start.
1770
1771         * include/experimental/memory_resource: Include <cstddef> header.
1772
1773         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1774         * src/Makefile.am: Add comment.
1775         * src/c++17/Makefile.in: Regenerate.
1776
1777         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1778         * include/Makefile.in: Regenerate.
1779         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1780         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1781         (unique_lock): Move definition to ...
1782         * include/bits/unique_lock.h: New header.
1783         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1784         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1785         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1786         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1787         * include/std/condition_variable: Include <bits/unique_lock.h>.
1788         * include/std/mutex: Likewise.
1789
1790 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1791
1792         * config/abi/pre/gnu.ver: Export new symbols.
1793         * configure: Regenerate.
1794         * include/Makefile.am: Add new <memory_resource> header.
1795         * include/Makefile.in: Regenerate.
1796         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1797         * include/std/memory_resource: New header.
1798         (memory_resource, polymorphic_allocator, new_delete_resource)
1799         (null_memory_resource, set_default_resource, get_default_resource)
1800         (pool_options, monotonic_buffer_resource): Define.
1801         * src/Makefile.am: Add c++17 directory.
1802         * src/Makefile.in: Regenerate.
1803         * src/c++11/Makefile.am: Fix comment.
1804         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1805         * src/c++17/Makefile.in: Generate.
1806         * src/c++17/memory_resource.cc: New.
1807         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1808         (default_res, new_delete_resource, null_memory_resource)
1809         (set_default_resource, get_default_resource): Define.
1810         * testsuite/20_util/memory_resource/1.cc: New test.
1811         * testsuite/20_util/memory_resource/2.cc: New test.
1812         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1813         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1814         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1815         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1816         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1817         New test.
1818         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1819         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1820         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1821         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1822         Define concrete memory resource for testing.
1823         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1824         default resource.
1825
1826         PR libstdc++/86658
1827         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1828         parameter by reference, to avoid copying invalid iterators.
1829         * testsuite/25_algorithms/copy/86658.cc: New test.
1830
1831         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1832         local variables for number of digits instead of type aliases.
1833         (__log2p1): Remove redundant branch also checked in __countl_zero.
1834
1835         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1836         conditions. Add comments.
1837         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1838         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1839         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1840
1841         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1842         (__uses_allocator_helper): Check conditions directly instead of
1843         using __is_erased_or_convertible.
1844
1845         * include/experimental/memory_resource: Adjust comments and
1846         whitespace.
1847         (__resource_adaptor_imp): Add second template parameter for type of
1848         memory resource base class.
1849         (memory_resource): Define default constructor, destructor, copy
1850         constructor and copy assignment operator as defaulted.
1851
1852         PR libstdc++/70966
1853         * include/experimental/memory_resource (__get_default_resource): Use
1854         placement new to create an object with dynamic storage duration.
1855
1856 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1857
1858         PR libstdc++/70940
1859         * include/experimental/memory_resource
1860         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1861         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1862         give maximum alignment an allocator guarantees. Specialize for known
1863         allocators using new and malloc.
1864         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1865         (__resource_adaptor_imp::do_deallocate): Likewise.
1866         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1867         Check that new and delete are called with expected sizes.
1868
1869 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1870
1871         PR libstdc++/86595
1872         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1873         noexcept.
1874
1875 2018-07-20  Fangrui Song  <maskray@google.com>
1876
1877         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1878         _GLIBCXX_VISIBILITY(default).
1879
1880 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1881
1882         PR libstdc++/86603
1883         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1884
1885 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1886
1887         * include/std/type_traits (__is_member_object_pointer_helper): Use
1888         __not_<is_function<_Tp>>::type instead of integral_constant.
1889         (__is_member_function_pointer_helper): Likewise for
1890         is_function<_Tp>::type.
1891         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1892         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1893         (is_trivially_constructible): Remove redundant use of
1894         is_constructible.
1895         (__is_trivially_copy_assignable_impl): Remove redundant use of
1896         is_copy_assignable.
1897         (__is_trivially_move_assignable_impl): Remove redundant use of
1898         is_move_assignable.
1899         (is_trivially_destructible): Use __bool_constant.
1900         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1901         tests for scalar types.
1902
1903 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1904
1905         * include/bits/stl_algobase.h (__copy_move_a): Used
1906         __is_trivially_copyable.
1907         (__copy_move_backward_a): Likewise.
1908         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1909         New test.
1910
1911 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1912
1913         PR libstdc++/86450
1914         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1915         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1916         * configure: Regenerate.
1917         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1918         * doc/Makefile.in: Regenerate.
1919         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1920         * include/Makefile.in: Regenerate.
1921         * libsupc++/Makefile.in: Regenerate.
1922         * po/Makefile.in: Regenerate.
1923         * python/Makefile.in: Regenerate.
1924         * src/Makefile.in: Regenerate.
1925         * src/c++11/Makefile.in: Regenerate.
1926         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1927         from -Wabi=2 that don't affect exported symbols.
1928         * src/c++98/Makefile.in: Regenerate.
1929         * src/filesystem/Makefile.in: Regenerate.
1930         * testsuite/Makefile.in: Regenerate.
1931
1932         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1933         (_Async_state_common::_M_join): Simplify use of std::call_once and
1934         corresponding explicit instantiation.
1935         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1936         (__bind_simple): Remove definitions and explicit instantiation that
1937         are not required by exported symbols.
1938
1939 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1940
1941         * scripts/create_testsuite_files: Fix typo in comment.
1942
1943         PR libstdc++/86537
1944         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1945         non-standard partial specialization.
1946         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1947         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1948         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1949
1950 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1951
1952         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1953         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1954         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1955
1956 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1957
1958         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1959         * include/debug/string (__gnu_debug::__check_string): ... here.
1960         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1961         (__glibcxx_check_string_n_constructor): New.
1962         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1963         Use latter.
1964         (__glibcxx_check_string_constructor): New.
1965         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1966         Use latter.
1967         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1968         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1969
1970 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1971
1972         PR libstdc++/84928 use std::move in <numeric> algorithms
1973         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1974         conditionally move, according to __cplusplus value.
1975         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1976         _GLIBCXX_MOVE_IF_20.
1977         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1978         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1979         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1980         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1981
1982         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1983
1984         P0935R0 Eradicating unnecessarily explicit default constructors
1985         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1986         default constructor symbols.
1987         * include/std/sstream (basic_stringbuf, basic_istringstream)
1988         (basic_ostringstream, basic_stringstream): Remove default arguments
1989         from explicit constructors taking ios_base::openmode and add separate
1990         non-explicit default constructors.
1991         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1992         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1993         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1994         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1995         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1996
1997         * include/std/variant (__accepted_index): Use void_t.
1998
1999 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
2000
2001         PR libstdc++/85831
2002         * config/abi/pre/gnu.ver: Export move constructors and move
2003         assignment operators for std::logic_error and std::runtime_error.
2004         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
2005         _GLIBCXX_USE_NOEXCEPT.
2006         (logic_error, runtime_error): Declare move constructors and move
2007         assignment operators. When not declared already, define copy
2008         constructors and copy assignment operators as explicit-defaulted.
2009         (domain_error, invalid_argument, length_error, out_of_range)
2010         (overflow_error, underflow_error): Define move constructors and move
2011         assignment operators as explicitly-defaulted.
2012         * libsupc++/exception.h (exception): Likewise.
2013         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
2014         move constructors and move assignment operators as defaulted.
2015         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
2016         assignment operators are defined.
2017
2018         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
2019         COW strings.
2020         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2021         Likewise.
2022         * testsuite/21_strings/basic_string/requirements/
2023         explicit_instantiation/debug.cc: Likewise.
2024
2025         PR libstdc++/58265
2026         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2027         (basic_string::assign(basic_string&&)): Add conditional noexcept
2028         depending on the allocator's is_always_equal property (LWG 2063).
2029         * testsuite/21_strings/basic_string/modifiers/assign/char/
2030         move_assign.cc: Check for non-throwing exception specification.
2031         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2032         move_assign.cc: Likewise.
2033
2034         PR libstdc++/58265
2035         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2036         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
2037         Add GLIBCXX_NOEXCEPT.
2038         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
2039         to depend on the allocator's is_always_equal property (LWG 2063).
2040         (basic_string::swap(basic_string&)): Likewise.
2041         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
2042         (basic_string::swap(basic_string&)): Likewise.
2043         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
2044         Check is_nothrow_move_assignable.
2045         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
2046         Check is_nothrow_move_assignable.
2047         * testsuite/21_strings/basic_string/cons/char/
2048         noexcept_move_construct.cc: Likewise.
2049         * testsuite/21_strings/basic_string/cons/wchar_t/
2050         noexcept_move_construct.cc: Likewise.
2051
2052 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2053
2054         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2055         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
2056         Define.
2057         (forward_list::__remove_return_type): Define typedef as size_type or
2058         void, according to __cplusplus value.
2059         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2060         empty, according to __cplusplus value.
2061         (forward_list::remove, forward_list::unique): Use typedef and macro
2062         to change return type and add abi-tag for C++2a.
2063         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2064         typedef to change return type for C++2a.
2065         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
2066         (forward_list::remove, forward_list::remove_if<Pred>)
2067         (forward_list::unique<BinPred>): Return number of removed elements
2068         for C++2a.
2069         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
2070         (list::remove, list::unique, list::remove_if<Predicate>)
2071         (list::unique<BinaryPredicate>): Return number of removed elements
2072         for C++2a.
2073         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
2074         (list::__remove_return_type): Define typedef as size_type or
2075         void, according to __cplusplus value.
2076         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2077         empty, according to __cplusplus value.
2078         (list::remove, list::unique): Use typedef and macro to change return
2079         type and add abi-tag for C++2a.
2080         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
2081         typedef to change return type for C++2a.
2082         * include/std/version (__cpp_lib_list_remove_return_type): Define.
2083         * testsuite/23_containers/forward_list/operations/
2084         remove_cxx20_return.cc: New.
2085         * testsuite/23_containers/forward_list/operations/
2086         unique_cxx20_return.cc: New.
2087
2088         P0458R2 Checking for Existence of an Element in Associative Containers
2089         * include/bits/stl_map.h (map::contains): Add for C++2a.
2090         * include/bits/stl_multimap.h (multimap::contains): Likewise.
2091         * include/bits/stl_multiset.h (multiset::contains): Likewise.
2092         * include/bits/stl_set.h (set::contains): Likewise.
2093         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
2094         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
2095         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
2096         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
2097         * include/bits/unordered_map.h (unordered_map::contains)
2098         (unordered_multimap::contains): Add for C++2a.
2099         * include/bits/unordered_set.h (unordered_set::contains)
2100         (unordered_multiset::contains): Likewise.
2101         * testsuite/23_containers/map/operations/contains.cc: New.
2102         * testsuite/23_containers/multimap/operations/contains.cc: New.
2103         * testsuite/23_containers/multiset/operations/contains.cc: New.
2104         * testsuite/23_containers/set/operations/contains.cc: New.
2105         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
2106         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
2107         New.
2108         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
2109         New.
2110         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
2111
2112 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
2113
2114         PR libstdc++/86272
2115         * include/debug/string
2116         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
2117         Use __glibcxx_check_insert_range.
2118         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
2119         __gnu_debug::string when _GLIBCXX_DEBUG.
2120         * 21_strings/basic_string/init-list.cc: Likewise.
2121         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
2122         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
2123         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
2124         * 21_strings/basic_string/types/1.cc: Likewise.
2125
2126 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2127
2128         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
2129         target for std::random_device.
2130         * testsuite/26_numerics/random/random_device/cons/default.cc:
2131         Likewise.
2132         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2133         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2134         * testsuite/experimental/random/randint.cc: Likewise.
2135         * testsuite/lib/libstdc++.exp
2136         (check_effective_target_random_device): New proc.
2137
2138 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2139             Jakub Jelinek  <jakub@redhat.com>
2140
2141         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
2142
2143 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2144
2145         PR libstdc++/86398
2146         * include/std/type_traits (is_trivially_constructible): Check
2147         is_constructible before __is_trivially_constructible.
2148         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
2149         tests, including negative cases.
2150         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
2151         zero for dg-error lineno.
2152         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
2153         Likewise.
2154
2155         * include/std/bit (__rotl, __rotr): Avoid branch.
2156         (_If_is_unsigned_integer): Use remove_cv_t.
2157         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
2158
2159 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
2160
2161         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
2162         * include/Makefile.am: Add new header.
2163         * include/Makefile.in: Regenerate.
2164         * include/precompiled/stdc++.h: Include new header.
2165         * include/std/bit: New header.
2166         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
2167         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
2168         Define for C++14.
2169         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
2170         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
2171         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
2172         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
2173         std::byte.
2174         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
2175         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
2176         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
2177         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
2178         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
2179         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
2180         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
2181         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
2182         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
2183         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
2184
2185         * include/bits/alloc_traits.h: Remove redundant preprocessor
2186         condition.
2187
2188 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
2189
2190         * include/bits/stl_algobase.h (__niter_wrap): New.
2191         (__copy_move_a2(_II, _II, _OI)): Use latter.
2192         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
2193         (fill_n(_OI, _Size, const _Tp&)): Likewise.
2194         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
2195         * include/debug/stl_iterator.h
2196         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
2197         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
2198         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
2199         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
2200
2201 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
2202
2203         P0758R1 Implicit conversion traits
2204         * include/std/type_traits [__cplusplus > 201703]
2205         (__is_convertible_helper::__is_nothrow_type): Define new member.
2206         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
2207         noexcept.
2208         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
2209         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
2210         new members.
2211         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
2212         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
2213         * testsuite/20_util/is_nothrow_convertible/requirements/
2214         explicit_instantiation.cc: New.
2215         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
2216         New.
2217
2218         P0887R1 The identity metafunction
2219         * include/std/type_traits (type_identity, type_identity_t): Define
2220         for C++2a.
2221         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2222         * testsuite/20_util/type_identity/requirements/
2223         explicit_instantiation.cc:New.
2224         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2225
2226         * include/bits/regex.h (sub_match::operator string_type): Call str().
2227         (sub_match::compare): Use _M_str() instead of str().
2228         (sub_match::_M_compare): New public function.
2229         (sub_match::__string_view): New helper type.
2230         (sub_match::_M_str): New overloaded functions to avoid creating a
2231         string_type object when not needed.
2232         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2233         Use sub_match::_M_compare instead of creating string_type objects.
2234         Fix Doxygen comments.
2235         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2236         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2237         simplify.
2238         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2239         __enable_if_t.
2240         * include/std/type_traits (__enable_if_t): Define for C++11.
2241         * testsuite/28_regex/sub_match/compare.cc: New.
2242         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2243         trait.
2244         (input_iterator_wrapper): Use remove_cv for value_type argument of
2245         std::iterator base class.
2246
2247 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2248
2249         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2250         Add whitespace to dejagnu directive.
2251         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2252
2253 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2254
2255         * include/bits/stl_vector.h
2256         (struct _Vector_base<>::_Vector_impl_data): New.
2257         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2258         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2259         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2260         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2261         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2262         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2263         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2264         (_Vector_base()): Default.
2265         (_Vector_base(_Vector_base&&)): Default.
2266         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2267         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2268         (_Vector_base::_M_create_storage(size_t)): Make protected.
2269         (vector()): Default.
2270         (vector(vector&&)): Default.
2271         (vector(vector&&, const allocator_type&, true_type)): New.
2272         (vector(vector&&, const allocator_type&, false_type)): New.
2273         (vector(vector&&, const allocator_type&)): Use latters.
2274         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2275         _M_range_initialize directly.
2276         * include/debug/vector
2277         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2278         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2279         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2280         static assertions.
2281
2282 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2283
2284         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2285         (__is_byte<byte>): Define specialization for std::byte.
2286
2287         PR libstdc++/86138
2288         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2289         Declare explicit instantiations of COW empty reps and I/O functions.
2290
2291 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2292
2293         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2294         directives.
2295         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2296
2297 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2298
2299         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2300         noexcept.
2301
2302 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2303
2304         PR libstdc++/86112
2305         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2306         Replace dict comprehension.
2307
2308         PR libstdc++/81092
2309         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2310
2311         PR libstdc++/86292
2312         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2313         Add try-catch block.
2314         * testsuite/23_containers/vector/cons/86292.cc: New.
2315
2316         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2317
2318         * include/experimental/algorithm (sample, shuffle): Add new overloads
2319         using per-thread random number engine.
2320         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2321         dependencies by using __gnu_test::test_container.
2322         * testsuite/experimental/algorithm/sample-2.cc: New.
2323         * testsuite/experimental/algorithm/shuffle.cc: New.
2324
2325 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2326
2327         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2328         different size_t mangling on 32-bit targets.
2329
2330         PR libstdc++/86280
2331         * include/experimental/memory_resource
2332         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2333         enough for result of left shift.
2334
2335         PR libstdc++/86138
2336         * include/bits/basic_string.tcc:
2337         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2338         (basic_string<char>::_Rep::_S_empty_rep_storage)
2339         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2340         instantiation declarations.
2341         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2342         explicit instantiation declarations.
2343         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2344         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2345
2346 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2347
2348         PR libstdc++/83328
2349         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2350         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2351         * configure: Regenerate.
2352         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2353         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2354         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2355         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2356         definition.
2357         * include/debug/string (basic_string::insert(iterator, C)): Change
2358         first parameter to const_iterator.
2359         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2360         return type to iterator.
2361         (basic_string::insert(iterator, InputIterator, InputIterator)):
2362         Likewise.
2363         (basic_string::insert(iterator, initializer_list<C>)): Change first
2364         parameter to const_iterator and return type to iterator.
2365         * src/c++11/string-inst.cc: Extend comment.
2366         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2367         New.
2368         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2369         New.
2370         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2371
2372         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2373
2374         PR libstdc++/70940
2375         * include/experimental/memory_resource
2376         (__resource_adaptor_imp::do_deallocate): Add missing return.
2377         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2378         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2379         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2380         __gnu_cxx::malloc_allocator.
2381
2382         PR libstdc++/70940
2383         * include/experimental/memory_resource (__resource_adaptor_common):
2384         New base class.
2385         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2386         pointer from unaligned, and vice versa.
2387         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2388         allocated pointer to meet alignment request.
2389         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2390         original pointer for deallocation.
2391         (__resource_adaptor_imp::do_is_equal): Reformat.
2392         (__resource_adaptor_imp::_S_aligned_size): Remove.
2393         (__resource_adaptor_imp::_S_supported): Remove.
2394         (new_delete_resource): Use __gnu_cxx::new_allocator.
2395         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2396         extended alignments and use debug_allocator to check for matching
2397         allocate/deallocate pairs.
2398
2399 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2400
2401         * include/debug/safe_iterator.h
2402         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2403         Compare __x base iterator with a value-initialized iterator of the
2404         same type.
2405
2406 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2407
2408         PR libstdc++/70966
2409         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2410         static assertions to enforce requirements on pointer types.
2411         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2412         (new_delete_resource, null_memory_resource): Return address of an
2413         object with dynamic storage duration.
2414         (__null_memory_resource): Remove.
2415         * testsuite/experimental/memory_resource/70966.cc: New.
2416
2417         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2418         missed from recent commit.
2419
2420 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2421
2422         * include/std/utility: Remove unused <exception> header.
2423
2424 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2425
2426         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2427         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2428         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2429         a specialization of std::pair.
2430         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2431         pair elements are constructed correctly.
2432
2433         LWG 2989 hide path iostream operators from normal lookup
2434         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2435         friends.
2436         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2437
2438         LWG 3050 Fix cv-qualification of convertibility constraints
2439         * include/std/chrono (duration, operator*, operator/, operator%): Use
2440         const-qualified type as source type in is_convertible constraints.
2441         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2442         * testsuite/20_util/duration/cons/dr3050.cc: New.
2443         * testsuite/20_util/duration/literals/range.cc: Rename to...
2444         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2445         dg-error lineno.
2446
2447 2018-06-18  Maya Rashish  <coypu@sdf.org>
2448
2449         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2450         * configure: Rebuilt.
2451
2452 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2453
2454         P0754R2 <version> header
2455         * include/Makefile.am: Add new header.
2456         * include/Makefile.in: Regenerate.
2457         * include/bits/c++config: Change doxygen comment to suggest <version>
2458         instead of <iosfwd>.
2459         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2460         unconditionally.  Add C++17 and C++20 headers.
2461         * include/std/version: New header.
2462         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2463         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2464         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2465         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2466         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2467         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2468         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2469         New.
2470         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2471         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2472         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2473         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2474         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2475         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2476         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2477         New.
2478         * testsuite/18_support/headers/version/macros.cc: New.
2479         * testsuite/18_support/headers/version/macros.cc: New.
2480
2481         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2482         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2483         symlink.
2484         * config.h.in: Regenerate.
2485         * configure: Regenerate.
2486         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2487
2488         LWG 3035. std::allocator's constructors should be constexpr
2489         * include/bits/allocator.h (allocator): Add constexpr to constructors
2490         for C++2a. Replace dynamic exception specifications with NOTHROW
2491         macro.
2492         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2493         NOTHROW.
2494         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2495         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2496         to constructors for C++2a.
2497         * include/ext/new_allocator.h (new_allocator): Likewise.
2498
2499 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2500
2501         LWG 3076 basic_string CTAD ambiguity
2502         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2503         * include/bits/basic_string.h
2504         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2505         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2506         template constrained by _RequireAllocator.
2507         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2508         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2509         Define.
2510         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2511         deduction
2512         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2513         Likewise.
2514
2515 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2516
2517         PR libstdc++/86169
2518         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2519         (basic_string::data()): Unshare string.
2520         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2521         New.
2522
2523         * include/std/string_view (basic_string_view(const CharT*)): Remove
2524         check for null pointer and add nonnull attribute.
2525         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2526         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2527         (find_first_of(const CharT*, size_type))
2528         (find_last_of(const CharT*, size_type))
2529         (find_first_not_of(const CharT*, size_type))
2530         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2531         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2532         * testsuite/21_strings/basic_string_view/operations/compare/char/
2533         nonnull.cc: New.
2534         * testsuite/21_strings/basic_string_view/operations/find/char/
2535         nonnull.cc: New.
2536         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2537         nonnull.cc: New.
2538
2539         PR libstdc++/86168
2540         * include/bits/random.h (random_device(const string&)): Remove
2541         default argument.
2542
2543         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2544         define for C++17 and above.
2545
2546         LWG 2993 reference_wrapper<T> conversion from T&&
2547         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2548         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2549         (reference_wrapper(_Tp&&)): Remove.
2550         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2551         template.
2552         (reference_wrapper): Add deduction guide.
2553         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2554         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2555
2556         LWG 3039 Unnecessary decay in thread and packaged_task
2557         * include/std/future (__constrain_pkgdtask): Replace with ...
2558         (packaged_task::__not_same): New alias template, using
2559         __remove_cvref_t instead of decay.
2560         * include/std/thread (thread::__not_same): Add comment.
2561
2562 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2563
2564         LWG 3075 basic_string needs deduction guides from basic_string_view
2565         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2566         deduction from string views.
2567         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2568         Likewise.
2569
2570         LWG 3074 make scalar types non-deduced in valarray non-member functions
2571         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2572         scalar parameters to be a non-deduced context.
2573         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2574         whitespace.
2575         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2576         * testsuite/26_numerics/valarray/transcend.cc: New.
2577
2578         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2579         Move back to <utility>.
2580         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2581         Restore to here.
2582
2583         P0935R0 Eradicating unnecessarily explicit default constructors
2584         * include/backward/strstream (strstreambuf): Add non-explicit default
2585         constructor.
2586         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2587         Likewise.
2588         * include/bits/regex.h (match_results): Likewise.
2589         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2590         default constructor.
2591         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2592         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2593         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2594
2595         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2596         macro from <utility> and change type to long.
2597         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2598         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2599         macro.
2600
2601         P0935R0 Eradicating unnecessarily explicit default constructors
2602         * include/bits/random.h (uniform_real_distribution::param_type)
2603         (normal_distribution::param_type, lognormal_distribution::param_type)
2604         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2605         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2606         (student_t_distribution::param_type)
2607         (bernoulli_distribution::param_type)
2608         (binomial_distribution::param_type)
2609         (geometric_distribution::param_type)
2610         (negative_binomial_distribution::param_type)
2611         (poisson_distribution::param_type)
2612         (exponential_distribution::param_type)
2613         (weibull_distribution::param_type)
2614         (extreme_value_distribution::param_type): Add non-explicit default
2615         constructors. Remove default argument for first parameter of explicit
2616         constructors.
2617         * include/bits/uniform_int_dist.h
2618         (uniform_int_distribution::param_type): Likewise.
2619         * include/ext/random
2620         (beta_distribution::param_type, rice_distribution::param_type)
2621         (nakagami_distribution::param_type, pareto_distribution::param_type)
2622         (k_distribution::param_type, arcsine_distribution::param_type)
2623         (hoyt_distribution::param_type, triangular_distribution::param_type)
2624         (von_mises_distribution::param_type)
2625         (hypergeometric_distribution::param_type)
2626         (logistic_distribution::param_type)
2627         (uniform_inside_sphere_distribution::param_type): Likewise.
2628         (uniform_on_sphere_distribution::param_type): Make default constructor
2629         non-explicit.
2630         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2631         Test param_type for non-explicit default constructor.
2632         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2633         Likewise.
2634         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2635         Likewise.
2636         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2637         Likewise.
2638         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2639         Likewise.
2640         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2641         Likewise.
2642         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2643         Likewise.
2644         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2645         Likewise.
2646         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2647         Likewise.
2648         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2649         Likewise.
2650         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2651         Likewise.
2652         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2653         Likewise.
2654         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2655         Likewise.
2656         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2657         Likewise.
2658         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2659         Likewise.
2660         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2661         Likewise.
2662         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2663         Likewise.
2664         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2665         Likewise.
2666         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2667         Likewise.
2668         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2669         Likewise.
2670         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2671         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2672         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2673         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2674         Likewise.
2675         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2676         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2677         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2678         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2679         Likewise.
2680         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2681         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2682         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2683         Likewise.
2684         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2685         Likewise.
2686         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2687         Likewise.
2688         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2689         Likewise.
2690
2691 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2692             Jonathan Wakely  <jwakely@redhat.com>
2693
2694         PR libstdc++/83982
2695         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2696         Default-construct new elements before moving existing ones.
2697         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2698         New.
2699
2700 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2701
2702         PR libstdc++/86127
2703         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2704         unused typedef.
2705         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2706         Use node allocator to create and destroy elements.
2707         (forward_list::_Tp_alloc_type): Remove unused typedef.
2708         (forward_list::_Alloc_traits): Use allocator_traits instead of
2709         __gnu_cxx::__alloc_traits.
2710
2711 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2712
2713         * include/debug/helper_functions.h
2714         (__gnu_debug::_Safe_iterator<>): Add declaration.
2715         (__can_advance(_Ite, _Size)): New.
2716         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2717         * include/debug/functions.h
2718         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2719         * include/debug/stl_iterator.h
2720         (__can_advance(const _Safe_iterator<>&)): New definition.
2721         * include/debug/stl_iterator.h
2722         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2723         (__can_advance(const std::move_iterator<>&, _Size)): New.
2724         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2725         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2726         * include/bits/stl_algobase.h (fill_n): Use latter.
2727         * testsuite/25_algorithms/fill_n/2.cc: New.
2728         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2729         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2730         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2731         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2732
2733         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2734         (__glibcxx_requires_can_decrement_range): New.
2735
2736 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2737
2738         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2739         (__glibcxx_check_can_decrement_range): New.
2740         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2741         __glibcxx_requires_can_increment_range.
2742         (std::move(_II, _II, _OI)): Likewise.
2743         (std::copy_backward(_BI, _BI, _BI2)): Use
2744         __glibcxx_requires_can_decrement_range.
2745         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2746         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2747         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2748         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2749         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2750         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2751         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2752
2753 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2754
2755         P0935R0 Eradicating unnecessarily explicit default constructors
2756         * include/bits/random.h (linear_congruential_engine)
2757         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2758         (uniform_real_distribution, normal_distribution)
2759         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2760         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2761         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2762         (negative_binomial_distribution, exponential_distribution)
2763         (weibull_distribution, extreme_value_distribution): Add non-explicit
2764         default constructors. Remove default argument for first parameter of
2765         explicit constructors.
2766         (piecewise_constant_distribution, piecewise_linear_distribution):
2767         Make default constructor non-explicit.
2768         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2769         non-explicit default constructors. Remove default argument for first
2770         parameter of explicit constructor.
2771         * include/ext/random
2772         (simd_fast_mersenne_twister_engine, beta_distribution)
2773         (rice_distribution, nakagami_distribution, pareto_distribution)
2774         (k_distribution, arcsine_distribution, hoyt_distribution)
2775         (triangular_distribution, von_mises_distribution)
2776         (hypergeometric_distribution, logistic_distribution)
2777         (uniform_inside_sphere_distribution): Likewise.
2778         (uniform_on_sphere_distribution): Make default constructor
2779         non-explicit.
2780         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2781         Test for non-explicit default constructor. Fix references to standard.
2782         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2783         Likewise.
2784         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2785         Likewise.
2786         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2787         Likewise.
2788         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2789         Likewise.
2790         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2791         Likewise.
2792         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2793         Likewise.
2794         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2795         Likewise.
2796         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2797         Likewise.
2798         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2799         Likewise.
2800         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2801         Likewise.
2802         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2803         Likewise.
2804         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2805         Likewise.
2806         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2807         Likewise.
2808         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2809         Likewise.
2810         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2811         Likewise.
2812         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2813         Likewise.
2814         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2815         Likewise.
2816         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2817         Likewise.
2818         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2819         Likewise.
2820         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2821         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2822         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2823         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2824         Likewise.
2825         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2826         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2827         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2828         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2829         Likewise.
2830         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2831         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2832         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2833         Likewise.
2834         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2835         Likewise.
2836         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2837         Likewise.
2838         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2839         Likewise.
2840         * testsuite/util/testsuite_common_types.h
2841         (implicitly_default_constructible): New helper.
2842
2843 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2844
2845         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2846         (ios::Init::operator=): Define as defaulted.
2847         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2848         Likewise.
2849         * include/bits/stream_iterator.h (istream_iterator::operator=)
2850         (ostream_iterator::operator=): Likewise.
2851         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2852         Likewise.
2853         * include/std/bitset (bitset::reference::reference(const reference&)):
2854         Likewise.
2855         * include/std/complex (complex<float>::complex(const complex&))
2856         (complex<double>::complex(const complex&))
2857         (complex<long double>::complex(const complex&)): Likewise.
2858
2859 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2860
2861         * include/bits/regex.h (sub_match): Add noexcept to default
2862         constructor and length observer.
2863         (match_results): Add noexcept to default constructor and observers
2864         with no preconditions. Define destructor as defaulted.
2865         (operator==, operator!=, swap): Add noexcept.
2866         (regex_iterator): Add default member initializers and define default
2867         constructor and destructor as defaulted. Add noexcept to equality
2868         and dereference operators.
2869
2870 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2871
2872         * src/c++11/debug.cc
2873         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2874         (_Safe_iterator_base::_M_detach_single()): Likewise.
2875         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2876         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2877
2878 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2879
2880         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2881         move of const value.
2882
2883 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2884
2885         PR c++/86068
2886         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2887         rather than __cpp_transactional_memory >= 201505L.
2888
2889 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2890
2891         PR libstdc++/86008
2892         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2893         Define new partial specialization.
2894         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2895         new overload.
2896         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2897         value not reference for iteration.
2898         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2899         comment.
2900         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2901         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2902         comment.
2903
2904 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2905
2906         * include/std/type_traits: Fix comment typos.
2907
2908         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2909         mingw* targets.
2910         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2911         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2912         Likewise.
2913
2914 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2915
2916         * include/bits/stl_tempbuf.h
2917         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2918         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2919         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2920         * include/bits/stl_algo.h (__stable_partition): Adapt.
2921         (__inplace_merge): Adapt.
2922         (__stable_sort): Adapt.
2923
2924 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2925
2926         PR libstdc++/85930
2927         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2928         unconditionally. Remove redundant declaration.
2929         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2930         alignment-specifier.
2931
2932         * include/bits/postypes.h (fpos): Define special members as defaulted.
2933
2934         PR libstdc++/85930
2935         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2936         the static variable correctly.
2937
2938 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2939
2940         PR libstdc++/78870 support std::filesystem on Windows
2941         * config.h.in: Regenerate.
2942         * configure: Regenerate.
2943         * configure.ac: Check for link, readlink and symlink.
2944         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2945         definition out of class body.
2946         (path::is_absolute(), path::_M_append(path)): Likewise.
2947         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2948         (operator>>(basic_istream, path&)): Likewise.
2949         (u8path): Reorder definitions and fix Windows implementation.
2950         (path::is_absolute()): Define inline and fix for Windows.
2951         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2952         Define POSIX version inline.
2953         (path::_M_append(path)): Define inline.
2954         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2955         definition out of class body.
2956         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2957         escape characters.
2958         (operator>>(basic_istream, path&)): Likewise.
2959         (path::is_absolute()): Define inline and fix for Windows.
2960         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2961         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2962         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2963         Define as adaptors for Windows functions/types or as
2964         using-declarations for POSIX functions/types.
2965         (_Dir_base, get_file_type): Qualify names to use declarations from
2966         __gnu_posix namespace.
2967         (_Dir_base::is_dor_or_dotdot): New helper functions.
2968         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2969         names to use declarations from __gnu_posix namespace.
2970         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2971         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2972         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2973         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2974         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2975         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2976         Define as adaptors for Windows functions/types or as
2977         using-declarations for POSIX functions/types.
2978         (stat_type, do_copy_file): Qualify names to use declarations from
2979         __gnu_posix namespace.
2980         (do_space): Declare new function.
2981         (make_file_type): Only use S_ISLNK if defined.
2982         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2983         path::value_type not char.
2984         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2985         names to use declarations from __gnu_posix namespace.
2986         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2987         add implementation for Windows.
2988         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2989         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2990         [!_PC_PATH_MAX]: Don't use pathconf.
2991         [PATH_MAX]: Use if defined.
2992         (filesystem::current_path(const path&, error_code&))
2993         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2994         (filesystem::last_write_time, filesystem::permissions): Use names
2995         from __gnu_posix.
2996         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2997         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2998         implementation for Windows.
2999         (filesystem::rename, filesystem::resize_file): Use names from
3000         __gnu_posix.
3001         (filesystem::space): Use do_space.
3002         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
3003         (filesystem::status, filesystem::symlink_status): Use names from
3004         __gnu_posix.
3005         (filesystem::temp_directory_path): Add implementation for Windows.
3006         * src/filesystem/path.cc (dot): Define constant.
3007         (path::replace_extension): Use dot.
3008         (path::_M_find_extension): Likewise. Use path::string_type not
3009         std::string.
3010         (path::_M_split_cmpts): Use dot.
3011         (filesystem_error::_M_get_what): Use u8string() not native().
3012         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
3013         Qualify names to use declarations from __gnu_posix namespace.
3014         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
3015         correct error_code.
3016         (filesystem::absolute(const path&, error_code&)): Add implementation
3017         for Windows.
3018         (char_ptr, filesystem::canonical): Use path::value_type not char.
3019         (do_copy_file): Use names from __gnu_posix.
3020         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
3021         sendfile.
3022         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
3023         names to use declarations from __gnu_posix namespace.
3024         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
3025         add implementation for Windows.
3026         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
3027         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
3028         [!_PC_PATH_MAX]: Don't use pathconf.
3029         [PATH_MAX]: Use if defined.
3030         (filesystem::current_path(const path&, error_code&))
3031         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
3032         (filesystem::last_write_time, filesystem::permissions): Use names
3033         from __gnu_posix.
3034         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
3035         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
3036         implementation for Windows.
3037         (filesystem::rename, filesystem::resize_file): Use names from
3038         __gnu_posix.
3039         (do_space): Define.
3040         (filesystem::space): Use do_space.
3041         (filesystem::status, filesystem::symlink_status): Use names from
3042         __gnu_posix.
3043         (filesystem::temp_directory_path): Add implementation for Windows.
3044         * src/filesystem/std-path.cc
3045         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
3046         Define for Windows.
3047         (dot): Define constant.
3048         (path::replace_extension, is_dot): Use dot.
3049         (path::lexically_normal): Check _M_type instead of calling
3050         non-existent function.
3051         (path::_M_find_extension): Use dot. Use path::string_type not
3052         std::string.
3053         (path::_M_split_cmpts): Use dot.
3054         (filesystem_error::_M_get_what): Use u8string() not native().
3055         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
3056         use symlinks.
3057         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3058         Likewise.
3059         * testsuite/27_io/filesystem/operations/absolute.cc: Use
3060         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
3061         * testsuite/27_io/filesystem/operations/canonical.cc: Use
3062         path::string() to get narrow string, not path::native().
3063         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
3064         with std::filesystem::path not std::basic_string.
3065         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3066         * testsuite/27_io/filesystem/operations/exists.cc: Use
3067         __gnu_test::root_path() instead of "/".
3068         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
3069         fstreams with std::filesystem::path not std::basic_string.
3070         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
3071         path::string() to get narrow string.
3072         * testsuite/27_io/filesystem/operations/space.cc: Check results for
3073         errors, expect sensible values otherwise.
3074         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
3075         helpers for adjusting the environment on Windows.
3076         * testsuite/27_io/filesystem/path/append/path.cc: Test
3077         Windows-specific behaviour.
3078         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
3079         of path::string_type objects.
3080         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
3081         string to wide string on Windows.
3082         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
3083         for backslash as root-directory.
3084         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
3085         path::string() to get narrow string.
3086         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
3087         paths.
3088         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
3089         not std::string.
3090         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
3091         different definintion of absolute paths on Windows.
3092         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3093         Do not use symlinks.
3094         * testsuite/experimental/filesystem/operations/absolute.cc: Test
3095         Windows behaviour.
3096         * testsuite/experimental/filesystem/operations/copy.cc: Construct
3097         fstreams with NTCTS not std::basic_string.
3098         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3099         * testsuite/experimental/filesystem/operations/exists.cc: Use
3100         __gnu_test::root_path() instead of "/".
3101         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
3102         fstreams with NTCTS not std::basic_string.
3103         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3104         Use path::string() to get narrow string.
3105         * testsuite/experimental/filesystem/operations/space.cc: Use
3106         __gnu_test::root_path() instead of "/".
3107         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3108         Add helpers for adjusting the environment on Windows.
3109         * testsuite/experimental/filesystem/path/append/path.cc: Use
3110         path::string() to get narrow strings for comparisons.
3111         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3112         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3113         Likewise.
3114         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3115         * testsuite/experimental/filesystem/path/native/string.cc: Use
3116         string_type not std::string.
3117         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
3118         Adjust for different definintion of absolute paths on Windows.
3119         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
3120         function.
3121         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
3122         std::basic_string.
3123
3124 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
3125
3126         PR libstdc++/85951
3127         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
3128         uint_least16_t and uint_least32_t.
3129         (__make_unsigned<wchar_t>): Define unconditionally.
3130         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
3131         typedefs.
3132         (__make_unsigned_selector_base): New type to provide helper templates.
3133         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
3134         __make_unsigned_selector_base helpers.
3135         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
3136         (__make_signed_selector<_Tp, true, false>): Remove intermediate
3137         typedefs.
3138         (__make_signed<wchar_t>, __make_signed<char16_t>)
3139         (__make_signed<char32_t>)): Define unconditionally.
3140         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
3141         wchar_t, char16_t and char32_t are transformed correctly.
3142         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
3143         dg-error lineno.
3144         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
3145         wchar_t, char16_t and char32_t are transformed correctly.
3146         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
3147         dg-error lineno.
3148
3149 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
3150
3151         * include/std/variant (__erased_dtor): Qualify call to __get.
3152
3153 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
3154
3155         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
3156         (_Rb_tree(const allocator_type&)): Use latter.
3157         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
3158         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
3159         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3160         * include/bits/stl_multimap.h
3161         (multimap(const allocator_type&)): Likewise.
3162         (multimap(initializer_list<value_type>, const allocator_type&)):
3163         Likewise.
3164         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
3165         Likewise.
3166         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
3167         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
3168         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3169         * include/bits/stl_multiset.h
3170         (multiset(const allocator_type&)): Likewise.
3171         (multiset(initializer_list<value_type>, const allocator_type&)):
3172         Likewise.
3173         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
3174         Likewise.
3175
3176 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
3177
3178         PR libstdc++/85768
3179         * src/c++11/debug.cc: Remove backtrace usage.
3180
3181 2018-05-24  Maya Rashish  <coypu@sdf.org>
3182
3183         PR target/85904
3184         * crossconfig.m4: Test for aligned_alloc on netbsd.
3185         * configure: Regenerate.
3186
3187 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3188
3189         PR libstdc++/69769
3190         PR libstdc++/85886
3191         * include/bits/atomic_base.h (__atomic_base::value_type)
3192         (__atomic_base::difference_type): Add new typedefs.
3193         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
3194         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
3195         (atomic<T*>::operator++, atomic<T*>::operator--)
3196         (atomic<T*>::operator+=, atomic<T*>::operator-=)
3197         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
3198         to enforce C++17 requirement on pointer arithmetic.
3199         (__atomic_val_t, __atomic_diff_t): New alias templates.
3200         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
3201         (atomic_compare_exchange_weak_explicit)
3202         (atomic_compare_exchange_strong_explicit, atomic_store)
3203         (atomic_exchange, atomic_compare_exchange_weak)
3204         (atomic_compare_exchange_strong): Use __atomic_val_t to make
3205         scalar parameters be non-deduced contexts.
3206         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3207         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
3208         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
3209         parameters.
3210         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
3211         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
3212         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
3213         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3214         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
3215         address types.
3216         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
3217         * testsuite/29_atomics/atomic/69769.cc: New test.
3218         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
3219         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3220         Disable test for C++17 and later.
3221         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3222         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3223         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3224         test.
3225
3226 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3227
3228         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3229         template to alias template.
3230         (path::__value_type_is_char): Use remove_const_t.
3231         (path:_S_string_from_iter): New helper function.
3232         (path::_S_convert(InputIter, __null_terminated))
3233         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3234         Use _S_string_from_iter.
3235         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3236         rep for COW strings.
3237         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3238         Change from class template to alias template.
3239         (path::__value_type_is_char): Use remove_const.
3240         (path:_S_string_from_iter): New helper function.
3241         (path::_S_convert(InputIter, __null_terminated))
3242         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3243         Use _S_string_from_iter.
3244         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3245         wide strings.
3246         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3247         string equality, not path equivalence.
3248         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3249         construction from std::string and std::wstring and input iterators.
3250         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3251         construction from iterators.
3252         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3253         exact string equality, not path equivalence.
3254         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3255         construction from iterators.
3256
3257         * include/bits/fs_path.h (path::_M_type): Change default member
3258         initializer to _Filename.
3259         (path::begin): Create past-the-end iterator for empty path.
3260         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3261         debugging check.
3262         (path::has_relative_path()): Return false for empty filenames.
3263         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3264         Fix offset of empty final component.
3265         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3266         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3267
3268 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3269
3270         Add support for opening file streams from wide character strings.
3271         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3272         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3273         Define new overload.
3274         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3275         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3276         Declare new overload.
3277         * configure.ac: Check for _wfopen.
3278         * crossconfig.m4: Likewise.
3279         * configure: Regenerate.
3280         * config.h.in: Regenerate.
3281         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3282         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3283         Define new overload.
3284         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3285         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3286         Declare new overload.
3287         [_GLIBCXX_HAVE__WFOPEN]
3288         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3289         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3290         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3291         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3292         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3293         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3294         new overloads.
3295         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3296         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3297         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3298         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3299         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3300         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3301         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3302
3303 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3304
3305         PR libstdc++/85845
3306         * include/bits/stl_tree.h
3307         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3308         qualification.
3309
3310 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3311
3312         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3313         paths.
3314         (weakly_canonical(const path&)): Do not call canonical on empty path.
3315         (weakly_canonical(const path&, error_code&)): Likewise.
3316         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3317
3318         PR libstdc++/85818
3319         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3320         dg-require-filesystem-ts.
3321
3322         PR libstdc++/85843
3323         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3324         initialize base class to avoid warnings.
3325
3326 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3327
3328         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3329         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3330         little_endian element in bitmask.
3331         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3332         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3333
3334 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3335
3336         * include/bits/stl_tree.h
3337         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3338         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3339         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3340         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3341         * include/debug/map.h
3342         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3343         * include/debug/multimap.h
3344         (multimap(multimap&&, const_allocator_type&)): Likewise.
3345         * include/debug/set.h
3346         (set(set&&, const_allocator_type&)): Likewise.
3347         * include/debug/multiset.h
3348         (multiset(multiset&&, const_allocator_type&)): Likewise.
3349         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3350         Add checks.
3351         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3352         Add checks.
3353         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3354         Add checks.
3355         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3356         Add checks.
3357         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3358         Add checks.
3359         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3360         Add checks.
3361         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3362         Add checks.
3363         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3364         Add checks.
3365
3366 2018-05-18  Jason Merrill  <jason@redhat.com>
3367
3368         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3369         for conversion to const_iterator.  Add defaulted copy ops.
3370         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3371         * libsupc++/exception.h (exception): Add defaulted copy ops.
3372         * include/std/system_error (system_error): Add defaulted copy ops.
3373         * include/std/stdexcept (domain_error, invalid_argument)
3374         (length_error, out_of_range, range_error, overflow_error)
3375         (underflow_error): Add defaulted copy ops.
3376         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3377         copy assignment.
3378         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3379         * include/ext/throw_allocator.h (condition_base): Add defaulted
3380         default and copy ctor and copy assignment.
3381
3382 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3383
3384         PR libstdc++/85098
3385         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3386         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3387         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3388         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3389         definitions.
3390         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3391         whitespace.
3392         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3393         braces around body of do-while.
3394         * testsuite/28_regex/basic_regex/85098.cc: New
3395
3396 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3397
3398         PR libstdc++/85818
3399         * src/filesystem/path.cc (path::preferred_separator): Add used
3400         attribute.
3401         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3402
3403         PR libstdc++/85812
3404         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3405         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3406         Refactor to separate non-throwing and throwing implementations.
3407         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3408         if constructing the object throws.
3409
3410 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3411
3412         PR libstdc++/85749
3413         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3414         (linear_congruential_engine, mersenne_twister_engine)
3415         (subtract_with_carry_engine, discard_block_engine)
3416         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3417         constrain function templates taking seed sequences.
3418         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3419         (mersenne_twister_engine::seed(_Sseq&))
3420         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3421         match declarations.
3422         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3423         __is_seed_seq to constrain function templates taking seed sequences.
3424         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3425         Change return type to match declaration.
3426         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3427         New.
3428         * testsuite/26_numerics/random/independent_bits_engine/cons/
3429         seed_seq2.cc: New.
3430         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3431         seed_seq2.cc: New.
3432         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3433         seed_seq2.cc: New.
3434         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3435         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3436         New.
3437         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3438         seed_seq2.cc: New.
3439         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3440         seed_seq2.cc: New.
3441
3442         PR libstdc++/83891
3443         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3444         for all operating systems.
3445         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3446         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3447         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3448         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3449
3450         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3451         unused <vector> header.
3452         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3453         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3454         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3455         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3456         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3457         Likewise.
3458         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3459         Likewise.
3460         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3461         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3462         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3463         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3464         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3465         Likewise.
3466         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3467         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3468         Likewise.
3469         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3470         Likewise.
3471         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3472         Likewise.
3473         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3474         Likewise.
3475         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3476         Likewise.
3477         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3478         Likewise.
3479         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3480         Likewise.
3481         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3482         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3483         Likewise.
3484
3485         PR libstdc++/84159
3486         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3487         temporary path before calling _M_append.
3488         (path::_M_append): Change parameter to path and implement C++17
3489         semantics.
3490         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3491         and more examples from the standard.
3492         * testsuite/27_io/filesystem/path/append/source.cc: New.
3493         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3494         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3495
3496         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3497         __invoke to prevent ADL.
3498
3499 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3500
3501         PR libstdc++/81256
3502         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3503         exceptions from _M_terminate_output().
3504         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3505         exceptions from close().
3506         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3507
3508         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3509         (__valarray_get_storage): Call operator new directly. Remove ignored
3510         top-level restrict qualifier and add malloc attribute instead.
3511         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3512
3513         PR libstdc++/67554
3514         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3515         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3516
3517         PR libstdc++/82966
3518         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3519         instead of type.
3520         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3521
3522 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3523
3524         PR libstdc++/80165
3525         * testsuite/20_util/variant/80165.cc: New.
3526
3527 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3528
3529         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3530         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3531         of C++11 containers with Debug Mode support.
3532         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3533         * doc/html/*: Regenerate.
3534
3535 2018-05-10  Jason Merrill  <jason@redhat.com>
3536
3537         * include/bits/regex_compiler.h (_S_cache_size): Change from
3538         function to variable.
3539
3540 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3541
3542         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3543         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3544         argument defaulted to +1.  Doxy comments on same.
3545         * testsuite/special_functions/02_assoc_legendre/
3546         check_value.cc: Regen.
3547         * testsuite/tr1/5_numerical_facilities/special_functions/
3548         02_assoc_legendre/check_value.cc: Regen.
3549
3550 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3551
3552         PR libstdc++/85729
3553         * include/bits/c++config.h (__replacement_assert): Add linkage
3554         specification.
3555         * include/bits/std_abs.h: Add comment to closing brace of block.
3556         * include/c_global/cstddef: Add linkage specification.
3557         * include/c_global/cstring: Likewise.
3558         * include/c_global/cwchar: Likewise.
3559
3560 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3561
3562         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3563         Rename in...
3564         (_Safe_iterator<>::_S_constant()): ...that.
3565         * include/debug/safe_local_iterator.h
3566         (_Safe_local_iterator<>::_M_constant()): Rename in...
3567         (_Safe_local_iterator<>::_S_constant()): ...that.
3568         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3569         (_Iterator_state::__rbegin): New.
3570         (_Iterator_state::__rmiddle): New.
3571         (_Iterator_state::__rend): New.
3572         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3573         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3574         iterator type.
3575         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3576         _Is_iterator)): Likewise.
3577         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3578         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3579         _Is_iterator)): New.
3580         (_Parameter(std::reverse_iterator<> const&, const char*,
3581         _Is_iterator)): New.
3582         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3583         const char*, _Is_iterator)): New.
3584         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3585         New.
3586         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3587         _Is_iterator)): New.
3588         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3589         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3590         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3591
3592 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3593
3594         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3595         Use constexpr if in C++17 mode.
3596         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3597         Copy from const object.
3598         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3599
3600 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3601
3602         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3603         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3604         backtrace.
3605
3606         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3607         * include/debug/functions.h (__check_valid_range): Use latter.
3608         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3609         use latter.
3610         * include/debug/deque
3611         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3612         * include/debug/forward_list
3613         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3614         Likewise.
3615         * include/debug/list
3616         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3617         * include/debug/list
3618         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3619         * include/debug/map.h
3620         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3621         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3622         Likewise.
3623         * include/debug/multimap.h
3624         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3625         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3626         const _Alloc&)): Likewise.
3627         * include/debug/set.h
3628         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3629         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3630         Likewise.
3631         * include/debug/multiset.h
3632         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3633         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3634         const _Alloc&)): Likewise.
3635         * include/debug/string
3636         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3637         Likewise.
3638         * include/debug/unordered_map
3639         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3640         Likewise.
3641         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3642         const _Alloc&)): Likewise.
3643         * include/debug/unordered_set
3644         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3645         Likewise.
3646         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3647         const _Alloc&)): Likewise.
3648         * include/debug/vector
3649         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3650
3651         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3652         (_Error_formatter(const char*, unsigned int)): Adapt.
3653         (_Error_formatter::_M_at): Rename in...
3654         (_Error_formatter::_S_at): ...that and adapt.
3655         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3656         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3657         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3658         when available.
3659
3660 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3661
3662         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3663         Use normal std::vector even in Debug Mode.
3664
3665         PR libstdc++/85672
3666         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3667         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3668         * include/Makefile.in: Regenerate.
3669         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3670         within conditional block.
3671
3672 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3673
3674         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3675         C++17 Filesystem implementation also needs -lstdc++fs.
3676
3677         PR libstdc++/85671
3678         * include/bits/fs_path.h (operator/): Permit copy elision.
3679         * include/experimental/bits/fs_path.h (operator/): Likewise.
3680
3681 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3682
3683         Moar PR libstdc++/80506
3684         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3685         Fix magic number used in loop condition.
3686
3687 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3688
3689         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3690         * include/std/optional (_Optional_payload): Add noexcept to default
3691         constructor. Re-indent.
3692         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3693         constructor for copying disengaged payloads.
3694         (_Optional_payload<_Tp, true, false, true>): Likewise.
3695         (_Optional_payload<_Tp, true, true, false>): Likewise.
3696         (_Optional_payload<_Tp, true, false, false>): Likewise.
3697         * testsuite/20_util/optional/cons/85642.cc: New.
3698         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3699
3700 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3701
3702         PR libstdc++/82644
3703         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3704         inline definitions instead of using-declarations.
3705         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3706         * testsuite/tr1/5_numerical_facilities/special_functions/
3707         07_conf_hyperg/compile_cxx17.cc: New.
3708         * testsuite/tr1/5_numerical_facilities/special_functions/
3709         17_hyperg/compile_cxx17.cc: New.
3710
3711         PR libstdc++/84769
3712         * include/std/variant (visit): Qualify std::get call.
3713
3714         PR libstdc++/85632 use uintmax_t for arithmetic
3715         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3716         arithmetic in result type.
3717         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3718         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3719         is greater than free space.
3720         * testsuite/experimental/filesystem/operations/space.cc: New.
3721
3722         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3723         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3724         New.
3725         * testsuite/20_util/remove_cvref/value.cc: New.
3726         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3727
3728         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3729         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
3730         (append(const basic_string&, size_type, size_type)
3731         (assign(const basic_string&, size_type, size_type)
3732         (insert(size_type, const basic_string&, size_type, size_type)
3733         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3734         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3735         Add default arguments (LWG 2268).
3736         [_GLIBCXX_USE_CXX11_ABI=0]
3737         (append(const basic_string&, size_type, size_type)
3738         (assign(const basic_string&, size_type, size_type)
3739         (insert(size_type, const basic_string&, size_type, size_type)
3740         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3741         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3742         Likewise.
3743         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3744
3745         PR libstdc++/84535
3746         * include/std/thread (thread::__not_same): New SFINAE helper.
3747         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3748         first argument is not a std::thread. Add static assertion to check
3749         INVOKE expression is valid.
3750         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3751         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3752         __invoke_result for return types and remove exception specifications.
3753         * testsuite/30_threads/thread/cons/84535.cc: New.
3754
3755         * include/std/future (__async_result_of): Use __invoke_result instead
3756         of result_of.
3757
3758         * include/std/any (any_cast): Use __remove_cvref_t.
3759         * include/std/tuple (__make_tuple): Likewise.
3760         * include/std/type_traits (__remove_cvref_t): Define.
3761         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3762         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3763         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3764
3765 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3766
3767         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3768         ensure overloaded comma not used.
3769         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3770         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3771         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3772         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3773         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3774         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3775         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3776
3777 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3778
3779         PR libstdc++/68197
3780         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3781         indices to unsigned.
3782         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3783         as failure. Refactor error handling.
3784         * testsuite/27_io/ios_base/storage/68197.cc: New.
3785
3786         PR libstdc++/57997
3787         PR libstdc++/83860
3788         * include/bits/gslice_array.h (gslice_array): Define default
3789         constructor as deleted, as per C++11 standard.
3790         * include/bits/mask_array.h (mask_array): Likewise.
3791         * include/bits/slice_array.h (slice_array): Likewise.
3792         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3793         to namespace __detail.
3794         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3795         members.
3796         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3797         of data members in closure objects.
3798         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3799         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3800         __detail.
3801         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3802         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3803         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3804         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3805         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3806         using-declarations to namespace std.
3807         * testsuite/26_numerics/valarray/83860.cc: New.
3808
3809         * testsuite/backward/strstream_move.cc: Remove duplicate function
3810         call.
3811
3812         PR libstdc++/69608
3813         * include/backward/strstream (strstreambuf): Define move constructor
3814         and move assignment operator.
3815         (istrstream, ostrstream, strstream): Likewise.
3816         * testsuite/backward/strstream_move.cc: New.
3817
3818 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3819
3820         PR libstdc++/84654
3821         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3822         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3823         * configure: Regenerate.
3824         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3825         based on ENABLE_FLOAT128.
3826         * include/Makefile.in: Regenerate.
3827         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3828         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3829         _GLIBCXX_USE_FLOAT128.
3830
3831 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3832
3833         * configure: Regenerated.
3834
3835 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3836
3837         * configure: Regenerated.
3838
3839 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3840             Jakub Jelinek  <jakub@redhat.com>
3841
3842         PR libstdc++/85442
3843         * src/c++11/Makefile.am: Don't generate debuginfo again for
3844         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3845         * src/c++11/Makefile.in: Regenerate.
3846
3847 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3848
3849         PR libstdc++/84442
3850         * testsuite/30_threads/thread/cons/terminate.cc
3851         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3852
3853 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3854
3855         PR jit/85384
3856         * configure: Regenerate.
3857
3858 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3859
3860         * testsuite/experimental/filesystem/file_status/1.cc: Add
3861         -DUSE_FILESYSTEM_TS to dg-options.
3862         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3863         Likewise.
3864         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3865         * testsuite/experimental/filesystem/iterators/
3866         recursive_directory_iterator.cc: Likewise.
3867         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3868         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3869         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3870         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3871         * testsuite/experimental/filesystem/operations/create_directories.cc:
3872         Likewise.
3873         * testsuite/experimental/filesystem/operations/create_directory.cc:
3874         Likewise.
3875         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3876         Likewise.
3877         * testsuite/experimental/filesystem/operations/current_path.cc:
3878         Likewise.
3879         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3880         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3881         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3882         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3883         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3884         Likewise.
3885         * testsuite/experimental/filesystem/operations/permissions.cc:
3886         Likewise.
3887         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3888         Likewise.
3889         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3890         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3891         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3892         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3893         Likewise.
3894         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3895         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3896         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3897         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3898         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3899         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3900         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3901         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3902         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3903         * testsuite/experimental/filesystem/path/construct/default.cc:
3904         Likewise.
3905         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3906         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3907         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3908         Likewise.
3909         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3910         Likewise.
3911         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3912         Likewise.
3913         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3914         Likewise.
3915         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3916         Likewise.
3917         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3918         Likewise.
3919         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3920         Likewise.
3921         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3922         Likewise.
3923         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3924         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3925         Likewise.
3926         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3927         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3928         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3929         Likewise.
3930         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3931         Likewise.
3932         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3933         Likewise.
3934         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3935         Likewise.
3936         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3937         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3938         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3939         Likewise.
3940         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3941         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3942         Likewise.
3943         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3944         Likewise.
3945         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3946         Likewise.
3947         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3948         Likewise.
3949         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3950         Likewise.
3951         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3952         Likewise.
3953         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3954         Likewise.
3955         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3956         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3957         Likewise.
3958
3959 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3960
3961         * src/c++11/Makefile.am: Fix sed command.
3962         * src/c++11/Makefile.in: Regenerate.
3963
3964         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3965         handle mangled names starting with double underscores on darwin.
3966         * src/c++11/Makefile.in: Regenerate.
3967
3968 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3969
3970         * src/c++11/Makefile.am: Fix comment.
3971         * src/c++11/Makefile.in: Regenerate.
3972         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3973         * src/c++98/ios_failure.cc: Likewise.
3974
3975         * src/c++11/ios.cc: Remove redundant macro definition.
3976
3977 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3978
3979         * doc/xml/manual/abi.xml: Document header locations in recent
3980         releases.
3981         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3982         * doc/xml/manual/spine.xml: Update copyright years.
3983         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3984         undefined behaviour.
3985         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3986         * doc/html/*: Regenerate.
3987
3988 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3989
3990         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3991         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3992         * doc/xml/manual/containers.xml: Likewise.
3993         * doc/xml/manual/debug_mode.xml: Likewise.
3994         * doc/xml/manual/extensions.xml: Likewise.
3995         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3996         * doc/xml/manual/using.xml: Likewise.
3997         * doc/xml/manual/utilities.xml: Likewise.
3998
3999         PR libstdc++/85222
4000         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
4001         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
4002         * src/c++11/Makefile.in: Regenerate.
4003         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
4004         New types.
4005         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4006         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
4007         * src/c++98/ios_failure.cc (__construct_ios_failure)
4008         (__destroy_ios_failure, is_ios_failure_handler): New functions.
4009         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
4010         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
4011         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
4012         handler types, to always catch std::ios_base::failure.
4013         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
4014         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
4015         exceptions_failbit.cc: Likewise.
4016         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
4017         exceptions_failbit.cc: Likewise.
4018         * testsuite/27_io/basic_istream/extractors_other/char/
4019         exceptions_null.cc: Likewise.
4020         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
4021         exceptions_null.cc: Likewise.
4022         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
4023         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
4024         * testsuite/27_io/basic_ostream/inserters_other/char/
4025         exceptions_null.cc: Likewise.
4026         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
4027         exceptions_null.cc: Likewise.
4028         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
4029
4030 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
4031
4032         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
4033         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
4034
4035 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
4036
4037         PR libstdc++/85183
4038         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
4039         value categories.
4040         * testsuite/20_util/variant/85183.cc: New.
4041
4042 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
4043
4044         * include/std/variant (__get): Qualify calls to avoid ADL.
4045         (__select_index): Adjust whitespace.
4046         (variant): Add using-declaration to workaround Clang bug.
4047
4048 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
4049
4050         PR libstdc++/85040
4051         * include/bits/stl_function.h (greater::__not_overloaded)
4052         (less::__not_overloaded, greater_equal::__not_overloaded)
4053         (less_equal::__not_overloaded): Fix ambiguous specializations.
4054         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
4055         tests for type with overloaded operators.
4056
4057 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4058
4059         PR libstdc++/77691
4060         * testsuite/experimental/memory_resource/resource_adaptor.cc:
4061         xfail execution on 32-bit Solaris/x86.
4062
4063 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
4064
4065         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
4066         VERIFY instead of assert.
4067         * testsuite/20_util/hash/84998.cc: New test.
4068         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
4069         copy of test adjusted for Debug Mode.
4070         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
4071         test in Debug Mode.
4072
4073 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
4074
4075         PR libstdc++/84998
4076         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
4077         * include/std/bitset: Likewise.
4078         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
4079         declaration.
4080         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
4081         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
4082         * include/bits/stl_set.h (std::set<>): Likewise.
4083         * include/bits/unordered_map.h (std::unordered_map<>): Fix
4084         _Hash_merge_helper friend declaration.
4085         (std::unordered_multimap<>): Likewise.
4086         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
4087         (std::unordered_multiset<>): Likewise.
4088
4089 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4090
4091         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
4092         trailing slash for domain level link.
4093         * doc/xml/faq.xml: Ditto.
4094         * doc/xml/manual/appendix_free.xml (software): Ditto.
4095         * doc/xml/manual/intro.xml: Ditto.
4096         * doc/xml/manual/spine.xml: Ditto.
4097         * doc/xml/spine.xml: Ditto.
4098
4099 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4100
4101         * doc/xml/manual/documentation_hacking.xml: Adjust link to
4102         docbook.org.
4103
4104 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
4105
4106         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
4107         to compile as C++98.
4108
4109 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
4110
4111         PR libstdc++/78420
4112         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
4113         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
4114         to ensure total order for pointers.
4115         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
4116         Add operator() overloads for pointer arguments and make generic
4117         overloads dispatch to new _S_cmp functions when comparisons would
4118         use built-in operators for pointers.
4119         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
4120
4121 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
4122
4123         PR libstdc++/84773
4124         PR libstdc++/83662
4125         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
4126         * configure: Regenerate.
4127         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
4128         (aligned_alloc): Add using-declaration.
4129         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
4130
4131 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
4132
4133         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
4134         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
4135         registration.
4136
4137 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
4138
4139         PR libstdc++/84769
4140         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
4141         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
4142
4143         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
4144         src/filesystem/std-ops.cc (create_dir): Likewise.
4145
4146 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
4147
4148         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
4149         (StdListIteratorPrinter): Inherit from latter.
4150         (StdFwdListIteratorPrinter): New, inherit from latter.
4151         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
4152         when iterator has no associated container.
4153         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
4154         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
4155         registrations.
4156         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
4157         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
4158
4159 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
4160
4161         PR libstdc++/84601
4162         * include/std/optional (_Optional_payload): Split into multiple
4163         specializations that can handle different cases of trivial or
4164         non-trivial assignment operators.
4165         * testsuite/20_util/optional/84601.cc: New.
4166         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4167
4168 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
4169
4170         PR libstdc++/84671
4171         * include/bits/parse_numbers.h (_Number_help): Add partial
4172         specialization to handle digit separators. Adjust partial
4173         specialization for recursion temrination to require _Pow == 1ULL.
4174         * testsuite/20_util/duration/literals/84671.cc: New
4175
4176 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
4177
4178         Implement the missing bits of LWG 2769
4179         * include/std/any (any_cast(const any&)): Add static_assert.
4180         (any_cast(any&)): Likewise.
4181         (any_cast(any&&)): Likewise, and remove the handling
4182         for copyable-but-not-movable type.
4183         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
4184         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
4185         add new tests.
4186
4187 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
4188
4189         PR libstdc++/84532
4190         * include/std/thread (thread::__make_invoker): Construct tuple
4191         directly instead of using make_tuple.
4192         * testsuite/30_threads/async/84532.cc: New.
4193         * testsuite/30_threads/thread/84532.cc: New.
4194
4195 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
4196
4197         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
4198         (template<> __aligned_buffer): Define as __aligned_membuf alias.
4199
4200 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4201
4202         PR target/84148
4203         * configure: Regenerate.
4204
4205 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
4206
4207         PR libstdc++/81797
4208         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
4209         * configure: Regenerate.
4210         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
4211         defined.
4212         * include/Makefile.in: Regenerate.
4213
4214 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
4215
4216         PR libstdc++/83833
4217         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
4218         Add -ffloat-store to options for m68k and ia32.
4219
4220         * doc/xml/faq.xml: Update copyright years.
4221         * doc/html/*: Regenerate.
4222
4223         PR libstdc++/83658
4224         * include/std/any (any::__do_emplace): Only set _M_manager after
4225         constructing the contained object.
4226         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4227         * testsuite/20_util/any/modifiers/83658.cc: New test.
4228
4229 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4230
4231         PR libstdc++/81076
4232         * include/c_global/cstddef (__byte_operand): Define primary template.
4233         * testsuite/18_support/byte/81076.cc: New test.
4234
4235 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4236
4237         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4238         dg-options and dg-add-options order.
4239         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4240         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4241         Likewise.
4242         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4243         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4244         Likewise.
4245         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4246         Likewise.
4247         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4248         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4249         Likewise.
4250         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4251         Likewise.
4252         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4253         Likewise.
4254         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4255         Likewise.
4256         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4257         Likewise.
4258         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4259         Likewise.
4260         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4261         Likewise.
4262         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4263         Likewise.
4264         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4265         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4266         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4267         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4268         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4269         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4270         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4271         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4272         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4273         Likewise.
4274         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4275         Likewise.
4276         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4277         Likewise.
4278         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4279         Likewise.
4280
4281 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4282
4283         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4284         include linux/types.h when checking linux/random.h header.
4285         * config.h.in: Regenerate.
4286         * configure: Ditto.
4287         * src/c++11/random.cc: Conditionally include linux/types.h.
4288
4289 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4290
4291         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4292
4293 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4294
4295         PR libstdc++/83834
4296         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4297         pattern with exact match for std::cerr.
4298
4299 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4300
4301         PR libstdc++/83833
4302         * include/bits/random.h (chi_squared_distribution::param): Update
4303         gamma distribution parameter.
4304         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4305         test.
4306
4307         PR libstdc++/83830
4308         * include/std/type_traits (has_unique_object_representations_v): Add
4309         variable template.
4310         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4311         variable template.
4312
4313 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4314
4315         Make optional conditionally
4316         trivially_{copy,move}_{constructible,assignable}
4317         * include/std/optional (_Optional_payload): Fix the comment in
4318         the class head and turn into a primary and one specialization.
4319         (_Optional_payload::_M_engaged): Strike the NSDMI.
4320         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4321         New.
4322         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4323         Likewise.
4324         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4325         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4326         (_Optional_base_impl): Likewise.
4327         (_Optional_base): Turn into a primary and three specializations.
4328         (optional(nullopt)): Change the base init.
4329         * testsuite/20_util/optional/assignment/8.cc: New.
4330         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4331         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4332
4333 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4334
4335         PR libstdc++/80276
4336         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4337         (get_template_arg_list): New.
4338         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4339         instead.
4340         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4341         of strings and regular expressions.
4342         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4343         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4344         strip_inline_namespaces instead of strip_versioned_namespace.
4345         (add_one_type_printer): Prepend namespace to match argument.
4346         (register_type_printers): Add type printers for char16_t and char32_t
4347         string types and for types using cxx11 ABI. Update calls to
4348         add_one_template_type_printer to provide default argument dicts.
4349         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4350         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4351         basic_string<unsigned char> and basic_string<signed char>.
4352         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4353         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4354
4355 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4356
4357         PR libstdc++/81092
4358         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4359
4360 2018-01-13  Tim Shen  <timshen@google.com>
4361
4362         PR libstdc++/83601
4363         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4364         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4365         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4366
4367 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4368
4369         PR libstdc++/64054
4370         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4371         Remove dg-xfail-run-if.
4372
4373 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4374
4375         * include/bits/forward_list.h
4376         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4377         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4378         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4379         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4380         (_Fwd_list_impl()): Add noexcept qualification.
4381         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4382         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4383         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4384         (_Fwd_list_base()): Default.
4385         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4386         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4387         (forward_list<>()): Default.
4388         (forward_list<>(forward_list&&)): Default.
4389         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4390         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4391         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4392         * include/bits/forward_list.tcc
4393         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4394         _M_impl._M_head move assignment.
4395         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4396         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4397
4398 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4399
4400         PR libstdc++/80276
4401         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4402         (UniquePointerPrinter): Print correct template argument, not type of
4403         the pointer.
4404         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4405         a type.
4406         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4407         array type.
4408         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4409         weak_ptr of array types.
4410
4411 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4412
4413         PR libstdc++/83709
4414         * include/bits/hashtable_policy.h
4415         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4416         __first != __last.
4417         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4418         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4419         Add false_type parameter.
4420         (_Insert_base::insert): Adapt.
4421         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4422         Adapt.
4423         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4424          Add __n_elt parameter, defaulted to 1.
4425         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4426         policy _M_need_rehash.
4427         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4428         produce only 1 rehash if necessary.
4429         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4430         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4431
4432 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4433             Jonathan Wakely  <jwakely@redhat.com>
4434
4435         PR libstdc++/59253 (partial)
4436         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4437         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4438         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4439         children.
4440         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4441         of unique_ptr printer.
4442         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4443         output of shared_ptr printer.
4444
4445 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4446
4447         PR libstdc++/83626
4448         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4449         unnecessary symlink_status call.
4450         (remove_all(const path&, error_code&)): Use filesystem::remove.
4451         * src/filesystem/std-ops.cc: Likewise.
4452
4453         PR libstdc++/83279
4454         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4455         sendfile.
4456
4457         PR libstdc++/83626
4458         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4459         report an error for ENOENT.
4460         (remove_all(const path&)): Fix type of result variable.
4461         (remove_all(const path&, error_code&)): Use non-throwing increment
4462         for directory iterator. Call POSIX remove directly to avoid redundant
4463         calls to symlink_status. Do not report errors for ENOENT.
4464         * src/filesystem/std-ops.cc: Likewise.
4465         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4466         overload.
4467         * testsuite/experimental/filesystem/operations/remove_all.cc:
4468         Likewise.
4469
4470 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4471
4472         PR libstdc++/83626
4473         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4474         redundant call to ec.clear().
4475         (remove_all(const path&, error_code&))): Do not return an error for
4476         non-existent paths.
4477         * src/filesystem/std-ops.cc: Likewise.
4478         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4479         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4480         results for non-existent paths.
4481         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4482         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4483         expected results for non-existent paths.
4484
4485         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4486         check status_known once.
4487         * include/experimental/bits/fs_ops.h: Likewise.
4488
4489         PR libstdc++/83607
4490         * include/std/functional (__is_byte_like): New trait.
4491         (__is_std_equal_to): Remove.
4492         (__boyer_moore_base_t): Use __is_byte_like instead of
4493         __is_std_equal_to.
4494         * include/experimental/functional (__is_std_equal_to): Remove.
4495         (__boyer_moore_base_t): Use __is_byte_like instead of
4496         __is_std_equal_to.
4497         * testsuite/20_util/function_objects/83607.cc: New test.
4498
4499 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4500
4501         Protect optional's deduction guide with the feature macro
4502         * include/std/optional: Use the feature macro.
4503
4504 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4505
4506         Update copyright years.
4507 \f
4508 Copyright (C) 2018 Free Software Foundation, Inc.
4509
4510 Copying and distribution of this file, with or without modification,
4511 are permitted in any medium without royalty provided the copyright
4512 notice and this notice are preserved.