libstdc++-v3/ChangeLog

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