libstdc++-v3/ChangeLog

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