libstdc++-v3/ChangeLog

   1 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * doc/xml/manual/status_cxx2017.xml: Remove duplicate table entry.
   4         * doc/html/*: Regenerate.
   5
   6         * testsuite/20_util/reference_wrapper/invoke.cc: Uncomment tests
   7         that no longer fail.
   8
   9         * include/bits/ios_base.h: Correct comment.
  10         * testsuite/util/testsuite_hooks.h: Likewise.
  11
  12         * doc/xml/manual/status_cxx2017.xml: Update C++17 status table.
  13         * doc/xml/manual/appendix_contributing.xml (contrib.organization): Add
  14         directories for debug, parallel and profile headers.
  15         * doc/html/*: Regenerate.
  16
  17         * include/bits/char_traits.h (__gnu_cxx::char_traits): Add
  18         _GLIBCXX14_CONSTEXPR on assign, compare, find, and length.
  19         (std::char_traits<char>, std::char_traits<wchar_t>): Add
  20         _GLIBCXX17_CONSTEXPR on assign.
  21         (std::char_traits<char16_t>, std::char_traits<char32_t>): Add
  22         _GLIBCXX17_CONSTEXPR on assign, compare, find, and length.
  23         * testsuite/21_strings/char_traits/requirements/
  24         constexpr_functions_c++17.cc: New test.
  25
  26 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
  27
  28         PR libstdc++/79141
  29         * include/bits/stl_pair.h (__nonesuch_no_braces): New.
  30         (operator=(typename conditional<
  31         __and_<is_copy_assignable<_T1>,
  32         is_copy_assignable<_T2>>::value,
  33         const pair&, const __nonesuch&>::type)): Change __nonesuch
  34         to __nonesuch_no_braces.
  35         (operator=(typename conditional<
  36         __not_<__and_<is_copy_assignable<_T1>,
  37         is_copy_assignable<_T2>>>::value,
  38         const pair&, const __nonesuch&>::type)): Likewise.
  39         (operator=(typename conditional<
  40         __and_<is_move_assignable<_T1>,
  41         is_move_assignable<_T2>>::value,
  42         pair&&, __nonesuch&&>::type)): Likewise.
  43         * testsuite/20_util/pair/79141.cc: New.
  44
  45 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
  46
  47         Implement std::is_aggregate.
  48         * include/std/type_traits (is_aggregate, is_aggregate_v): New.
  49         * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
  50         New.
  51         * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
  52         * testsuite/20_util/is_aggregate/value.cc: Likewise.
  53
  54 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
  55
  56         Adjust optional's pretty printer for LWG 2900.
  57         * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter.__init__):
  58         Look at the nested payload in case of non-experimental optional.
  59
  60 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
  61
  62         Implement LWG 2900, The copy and move constructors
  63         of optional are not constexpr.
  64         * include/std/optional (_Optional_payload): New.
  65         (_Optional_base): Remove the bool parameter.
  66         (_Optional_base<_Tp, false>): Remove.
  67         (_Optional_base()): Adjust.
  68         (_Optional_base(nullopt_t)): Likewise.
  69         (_Optional_base(in_place_t, _Args&&...)): Likewise.
  70         (_Optional_base(in_place_t, initializer_list<_Up>, _Args&&...)):
  71         Likewise.
  72         (_Optional_base(const _Optional_base&)): Likewise.
  73         (_Optional_base(_Optional_base&&)): Likewise.
  74         (operator=(const _Optional_base&)): Likewise.
  75         (operator=(_Optional_base&&)): Likewise.
  76         (~_Optional_base()): Remove.
  77         (_M_is_engaged()): Adjust.
  78         (_M_get()): Likewise.
  79         (_M_construct(_Args&&...)): Likewise.
  80         (_M_destruct()): Likewise.
  81         (_M_reset()): Likewise.
  82         (_Optional_base::_Empty_byte): Remove.
  83         (_Optional_base::_M_empty): Remove.
  84         (_Optional_base::_M_payload): Adjust.
  85         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
  86         * testsuite/20_util/optional/constexpr/cons/value.cc: Add tests.
  87
  88 2017-03-28  Jonathan Wakely  <jwakely@redhat.com>
  89
  90         PR libstdc++/80137
  91         * include/bits/random.tcc (generate_canonical): Use std::nextafter
  92         or numeric_limits::epsilon() to reduce out-of-range values.
  93         * testsuite/26_numerics/random/uniform_real_distribution/operators/
  94         64351.cc: Verify complexity requirement is met.
  95
  96         * doc/xml/manual/abi.xml: Add xml:id anchor.
  97         * doc/xml/manual/using.xml (manual.intro.using.macros): Document
  98         _GLIBCXX_RELEASE. Link to new anchor for __GLIBCXX__ notes.
  99         (concurrency.io.structure): Add markup.
 100         * doc/html/*: Regenerate.
 101
 102         PR libstdc++/80229
 103         * include/bits/shared_ptr_base.h
 104         (__shared_ptr::_M_enable_shared_from_this_with): Change parameters to
 105         non-const and then use remove_cv to get unqualified type.
 106         * testsuite/20_util/enable_shared_from_this/members/const.cc: Don't
 107         cast away constness on object created const.
 108         * testsuite/20_util/shared_ptr/cons/80229.cc: New test.
 109
 110 2017-03-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
 111
 112         PR libstdc++/80183
 113         * include/bits/stl_tree.h:
 114         (_Rb_tree_header::_M_move_data(_Rb_tree_header&)): Also save _M_color.
 115
 116 2017-03-23  Jonathan Wakely  <jwakely@redhat.com>
 117
 118         * testsuite/23_containers/array/tuple_interface/
 119         tuple_element_debug_neg.cc: Adjust dg-error.
 120         * testsuite/23_containers/list/operations/78389.cc: Fix less-than to
 121         define a valid strict weak ordering.
 122         * testsuite/23_containers/priority_queue/67085.cc: Disable test for
 123         Debug Mode, due to debug checks making extra copies of predicate.
 124         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
 125         Likewise.
 126
 127         * doc/xml/faq.xml: Add link.
 128         * doc/xml/manual/backwards_compatibility.xml: Remove outdated
 129         information on pre-ISO headers. Replace broken link to C++ FAQ Lite.
 130         * doc/xml/manual/io.xml: Update broken link.
 131         * doc/html/*: Regenerate.
 132
 133 2017-03-23  Daniel Kruegler  <daniel.kruegler@gmail.com>
 134
 135         Implement LWG 2686, Why is std::hash specialized for error_code,
 136         but not error_condition?
 137         * include/std/system_error (hash<error_condition>): Define for C++17.
 138         * testsuite/20_util/hash/operators/size_t.cc (hash<error_condition>):
 139         Instantiate test for error_condition.
 140         * testsuite/20_util/hash/requirements/explicit_instantiation.cc
 141         (hash<error_condition>): Instantiate hash<error_condition>.
 142
 143         * include/bits/c++config (_GLIBCXX17_INLINE): Define.
 144         * include/bits/regex_constants.h (All std::regex_constants constants):
 145         Add _GLIBCXX17_INLINE as per P0607R0.
 146         * include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock):
 147         Likewise.
 148         * include/bits/stl_pair.h (piecewise_construct): Likewise.
 149         * include/bits/uses_allocator.h (allocator_arg, uses_allocator_v)
 150         (__is_uses_allocator_constructible_v)
 151         (__is_nothrow_uses_allocator_constructible_v): Likewise.
 152         * include/std/chrono (treat_as_floating_point_v): Likewise.
 153         * include/std/functional (is_bind_expression_v, is_placeholder_v):
 154         Likewise.
 155         * include/std/optional (nullopt): Likewise.
 156         * include/std/ratio (ratio_equal_v, ratio_not_equal_v, ratio_less_v)
 157         ratio_less_equal_v, ratio_greater_v, ratio_greater_equal_v): Likewise.
 158         * include/std/system_error (is_error_code_enum_v)
 159         (is_error_condition_enum_v): Likewise.
 160         * include/std/tuple (tuple_size_v, ignore): Likewise.
 161         (ignore): Declare ignore constexpr as per LWG 2773, declare assignment
 162         constexpr as per LWG 2933.
 163         * include/std/type_traits (All variable templates): Add
 164         _GLIBCXX17_INLINE as per P0607R0.
 165         * include/std/variant (variant_size_v, variant_npos, __index_of_v)
 166         (__tuple_count_v, __exactly_once): Likewise.
 167         * testsuite/18_support/headers/new/synopsis.cc
 168         (hardware_destructive_interference_size)
 169         (hardware_constructive_interference_size): Likewise for commented-out
 170         variables.
 171         * testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new
 172         test function for constexpr std::ignore (LWG 2773).
 173         * testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New
 174         test for LWG 2933.
 175
 176 2017-03-22  Jonathan Wakely  <jwakely@redhat.com>
 177
 178         * include/bits/shared_ptr.h (shared_ptr, weak_ptr): Add deduction
 179         guides for C++17.
 180         * include/bits/std_function.h (function): Likewise.
 181         * include/bits/stl_pair.h (pair): Likewise.
 182         * include/debug/array (__gnu_debug::array): Likewise.
 183         * include/std/array (array): Likewise.
 184         * include/std/functional (make_default_searcher)
 185         (make_boyer_moore_searcher, make_boyer_moore_horspool_searcher):
 186         Remove generator functions.
 187         * include/std/tuple (tuple): Add deduction guides.
 188         * include/std/valarray (valarray): Likewise.
 189         * testsuite/20_util/function_objects/searchers.cc: Adjust to use
 190         class template argument deduction instead of generator functions.
 191         * testsuite/20_util/function/cons/deduction.cc: New test.
 192         * testsuite/20_util/optional/cons/deduction_guide.cc: Rename to ...
 193         * testsuite/20_util/optional/cons/deduction.cc: ... here.
 194         * testsuite/20_util/pair/cons/deduction.cc: New test.
 195         * testsuite/20_util/shared_ptr/cons/deduction.cc: New test.
 196         * testsuite/20_util/tuple/cons/deduction.cc: New test.
 197         * testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error.
 198         * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: New test.
 199         * testsuite/20_util/weak_ptr/cons/deduction.cc: New test.
 200         * testsuite/23_containers/array/cons/deduction.cc: New test.
 201         * testsuite/23_containers/array/cons/deduction_neg.cc: New test.
 202         * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
 203         Adjust dg-error.
 204         * testsuite/23_containers/array/tuple_interface/get_neg.cc: Likewise.
 205         * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
 206         Likewise.
 207         * testsuite/26_numerics/valarray/deduction.cc: New test.
 208         * testsuite/30_threads/lock_guard/cons/deduction.cc: New test.
 209         * testsuite/30_threads/scoped_lock/cons/deduction.cc: New test.
 210         * testsuite/30_threads/unique_lock/cons/deduction.cc: New test.
 211
 212 2017-03-20  François Dumont  <fdumont@gcc.gnu.org>
 213
 214         * include/bits/stl_deque.h (deque): Access allocator value_type only if
 215         concept checks are enabled.
 216         * include/bits/stl_stack.h (stack): Likewise.
 217         * include/bits/stl_vector.h (vector): Likewise.
 218         * include/bits/stl_list.h (list): Likewise and check
 219         _SGIAssignableConcept only in C++03.
 220         * include/bits/stl_map.h (map): Likewise.
 221         * include/bits/stl_set.h (set): Likewise.
 222         * include/bits/stl_multimap.h (multimap): Likewise.
 223         * include/bits/stl_multiset.h (multiset): Likewise.
 224         * include/bits/stl_queue.h (queue, priority_queue): Likewise.
 225
 226 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
 227
 228         * doc/xml/manual/appendix_contributing.xml: Convert link to
 229         ansi.org to https.
 230         Update link to the C++ standard at ansi.org.
 231
 232         * doc/xml/faq.xml: Remove information redundant with the above;
 233         instead add a reference.
 234
 235 2017-03-17  Jonathan Wakely  <jwakely@redhat.com>
 236
 237         * src/c++11/codecvt.cc (range): Add non-type template parameter and
 238         define oerloaded operators for reading and writing code units.
 239         (range<Elem, false>): Define partial specialization for accessing
 240         wide characters in potentially unaligned byte ranges.
 241         (ucs2_span(const char16_t*, const char16_t*, ...))
 242         (ucs4_span(const char16_t*, const char16_t*, ...)): Change parameters
 243         to range<const char16_t, false> in order to avoid unaligned reads.
 244         (__codecvt_utf16_base<char16_t>::do_out)
 245         (__codecvt_utf16_base<char32_t>::do_out)
 246         (__codecvt_utf16_base<wchar_t>::do_out): Use range specialization for
 247         unaligned data to avoid unaligned writes.
 248         (__codecvt_utf16_base<char16_t>::do_in)
 249         (__codecvt_utf16_base<char32_t>::do_in)
 250         (__codecvt_utf16_base<wchar_t>::do_in): Likewise for writes. Return
 251         error if there are unprocessable trailing bytes.
 252         (__codecvt_utf16_base<char16_t>::do_length)
 253         (__codecvt_utf16_base<char32_t>::do_length)
 254         (__codecvt_utf16_base<wchar_t>::do_length): Pass arguments of type
 255         range<const char16_t, false> to span functions.
 256         * testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test.
 257
 258 2017-03-16  Jonathan Wakely  <jwakely@redhat.com>
 259
 260         PR libstdc++/79980
 261         * src/c++11/codecvt.cc (to_integer(codecvt_mode)): Fix target type.
 262
 263         PR libstdc++/80041
 264         * src/c++11/codecvt.cc (__codecvt_utf16_base<wchar_t>::do_out)
 265         (__codecvt_utf16_base<wchar_t>::do_in): Convert char arguments to
 266         char16_t to work with UTF-16 instead of UTF-8.
 267         * testsuite/22_locale/codecvt/codecvt_utf16/80041.cc: New test.
 268
 269         * src/c++11/codecvt.cc (codecvt<char16_t, char, mbstate_t>)
 270         (codecvt<char32_t, char, mbstate_t>, __codecvt_utf8_base<char16_t>)
 271         (__codecvt_utf8_base<char32_t>, __codecvt_utf8_base<wchar_t>)
 272         (__codecvt_utf16_base<char16_t>, __codecvt_utf16_base<char32_t>)
 273         (__codecvt_utf16_base<wchar_t>, __codecvt_utf8_utf16_base<char16_t>)
 274         (__codecvt_utf8_utf16_base<char32_t>)
 275         (__codecvt_utf8_utf16_base<wchar_t>): Fix do_encoding() and
 276         do_max_length() return values.
 277         * testsuite/22_locale/codecvt/codecvt_utf16/members.cc: New test.
 278         * testsuite/22_locale/codecvt/codecvt_utf8/members.cc: New test.
 279         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/members.cc: New test.
 280
 281         PR libstdc++/79980
 282         * include/bits/locale_conv.h (__do_str_codecvt): Set __count on
 283         error path.
 284         * src/c++11/codecvt.cc (operator&=, operator|=, operator~): Overloads
 285         for manipulating codecvt_mode values.
 286         (read_utf16_bom): Compare input to BOM constants instead of integral
 287         constants that depend on endianness.  Take mode parameter by
 288         reference and adjust it, to distinguish between no BOM present and
 289         UTF-16BE BOM present.
 290         (ucs4_in, ucs2_span, ucs4_span): Adjust calls to read_utf16_bom.
 291         (surrogates): New enumeration type.
 292         (utf16_in, utf16_out): Add surrogates parameter to choose between
 293         UTF-16 and UCS2 behaviour.
 294         (utf16_span, ucs2_span): Use std::min not std::max.
 295         (ucs2_out): Use std::min not std::max.  Disallow surrogate pairs.
 296         (ucs2_in): Likewise. Adjust calls to read_utf16_bom.
 297         * testsuite/22_locale/codecvt/codecvt_utf16/79980.cc: New test.
 298         * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: New test.
 299
 300         PR libstdc++/79511
 301         * src/c++11/codecvt.cc (write_utf16_code_point): Don't write 0xffff
 302         as a surrogate pair.
 303         (__codecvt_utf8_utf16_base<char32_t>::do_in): Use native endianness
 304         for internal representation.
 305         (__codecvt_utf8_utf16_base<wchar_t>::do_in): Likewise.
 306         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc: New test.
 307
 308         PR libstdc++/80064
 309         * include/bits/stl_heap.h (__is_heap, push_heap, __adjust_heap)
 310         (pop_heap, make_heap, sort_heap, is_heap_until, is_heap): Cope with
 311         invalid instantiations using function types for _Compare argument.
 312         * testsuite/25_algorithms/make_heap/80064.cc: New test.
 313
 314         PR libstdc++/67440
 315         * python/libstdcxx/v6/printers.py (find_type): Avoid gdb.Type.name
 316         for GDB 7.6 compatibility, use gdb.Type.unqualified instead.
 317
 318 2017-03-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
 319
 320         Implement LWG 2857, {variant,optional,any}::emplace should
 321         return the constructed value.
 322         * include/std/any (emplace(_Args&&...)): Change the return type and
 323         return a reference to the constructed value.
 324         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
 325         * include/std/optional (emplace(_Args&&...)): Likewise.
 326         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
 327         * include/std/variant (emplace<_Tp>(_Args&&...)): Likewise.
 328         (emplace<_Tp>(initializer_list<_Up>, _Args&&...)): Likewise.
 329         (emplace<_Np>(_Args&&...)): Likewise.
 330         (emplace<_Np>(initializer_list<_Up>, _Args&&...)): Likewise.
 331         * testsuite/20_util/any/assign/emplace.cc: Add tests for
 332         checking the return value of emplace.
 333         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
 334         * testsuite/20_util/optional/assignment/6.cc: Add tests for
 335         checking the return value of emplace.
 336         * testsuite/20_util/variant/run.cc: Likewise.
 337
 338 2017-03-15  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
 339
 340         PR libstdc++/62045
 341         * include/ext/pb_ds/qdetail/binary_heap_/binary_heap_.hpp
 342         (is_heap): Remove.
 343         (push_heap): Remove the wrong checking using is_heap.
 344         (make_heap): Remove the assertion using is_heap.
 345         * include/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp
 346         (modify): Ditto.
 347         (resize_for_insert_if_needed): Add PB_DS_ASSERT_VALID after
 348         calling make_heap.
 349
 350 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
 351
 352         PR libstdc++/62045
 353         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
 354         New test.
 355         * testsuite/ext/pb_ds/regression/priority_queues.cc: Fix copy&paste
 356         error in comment.
 357
 358 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
 359
 360         * acinclude.m4 (GLIBCXX_CHECK_S_ISREG_OR_S_IFREG): Fix typo in
 361         comment.
 362         * config.h.in: Regenerate.
 363         * configure: Regenerate.
 364         * doc/Makefile.in: Regenerate.
 365
 366 2017-03-14  Jonathan Wakely  <jwakely@redhat.com>
 367
 368         PR libstdc++/79162
 369         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 370         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Replace
 371         with a constrained template.
 372         [!_GLIBCXX_USE_CXX11_ABI]
 373         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Likewise.
 374         * testsuite/21_strings/basic_string/cons/char/79162.cc: New test.
 375         * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: New test.
 376
 377 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 378
 379         PR libstdc++/80034
 380         * include/bits/list.tcc (merge(list&&)): Use const for the size_t
 381         in the catch-block.
 382         (merge(list&&, _StrictWeakOrdering)): Likewise.
 383         * testsuite/23_containers/list/operations/80034.cc: New.
 384
 385 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 386
 387         Implement LWG 2806, Base class of bad_optional_access.
 388         * include/std/optional (bad_optional_access):
 389         Derive from std::exception.
 390         (bad_optional_access::bad_optional_access): Adjust.
 391         (bad_optional_access::what): New.
 392         (__throw_bad_optional_access(const char*)):
 393         Remove the parameter and adjust calls.
 394         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
 395         * testsuite/20_util/optional/typedefs.cc: Likewise.
 396
 397 2017-03-12  Ville Voutilainen  <ville.voutilainen@gmail.com>
 398
 399         Implement LWG 2934, optional<const T> doesn't compare with T.
 400         * include/std/optional
 401         (operator==(const optional<_Tp>&, const optional<_Tp>&)):
 402         Turn into operator==(const optional<_Tp>&, const optional<_Up>&).
 403         (operator!=(const optional<_Tp>&, const optional<_Tp>&)):
 404         Turn into operator!=(const optional<_Tp>&, const optional<_Up>&).
 405         (operator<(const optional<_Tp>&, const optional<_Tp>&)):
 406         Turn into operator<(const optional<_Tp>&, const optional<_Up>&.
 407         (operator>(const optional<_Tp>&, const optional<_Tp>&)):
 408         Turn into operator>(const optional<_Tp>&, const optional<_Up>&.
 409         (operator<=(const optional<_Tp>&, const optional<_Tp>&)):
 410         Turn into operator<=(const optional<_Tp>&, const optional<_Up>&).
 411         (operator>=(const optional<_Tp>&, const optional<_Tp>&)):
 412         Turn into operator>=(const optional<_Tp>&, const optional<_Up>&).
 413         (operator==(const optional<_Tp>&, const _Tp&)):
 414         Turn into operator==(const optional<_Tp>&, const _Up&).
 415         (operator==(const _Tp&, const optional<_Tp>&)):
 416         Turn into operator==(const _Up&, const optional<_Tp>&).
 417         (operator!=(const optional<_Tp>&, const _Tp&)):
 418         Turn into operator!=(const optional<_Tp>&, const _Up&).
 419         (operator!=(const _Tp&, const optional<_Tp>&)):
 420         Turn into operator!=(const _Up&, const optional<_Tp>&).
 421         (operator<(const optional<_Tp>&, const _Tp&)):
 422         Turn into operator<(const optional<_Tp>&, const _Up&).
 423         (operator<(const _Tp&, const optional<_Tp>&)):
 424         Turn into operator<(const _Up&, const optional<_Tp>&).
 425         (operator>(const optional<_Tp>&, const _Tp&)):
 426         Turn into operator>(const optional<_Tp>&, const _Up&).
 427         (operator>(const _Tp&, const optional<_Tp>&)):
 428         Turn into operator>(const _Up&, const optional<_Tp>&).
 429         (operator<=(const optional<_Tp>&, const _Tp&)):
 430         Turn into operator<=(const optional<_Tp>&, const _Up&).
 431         (operator<=(const _Tp&, const optional<_Tp>&)):
 432         Turn into operator<=(const _Up&, const optional<_Tp>&).
 433         (operator>=(const optional<_Tp>&, const _Tp&)):
 434         Turn into operator>=(const optional<_Tp>&, const _Up&).
 435         (operator>=(const _Tp&, const optional<_Tp>&)):
 436         Turn into operator>=(const _Up&, const optional<_Tp>&).
 437         * testsuite/20_util/optional/relops/7.cc: New.
 438
 439 2017-03-10  Jonathan Wakely  <jwakely@redhat.com>
 440
 441         * testsuite/17_intro/names.cc: Undefine macros that clash with
 442         identifiers in AIX system headers.
 443
 444         * include/bits/invoke.h (__invoke): Use __invoke_result instead of
 445         result_of, and __is_nothrow_invocable instead of
 446         __is_nothrow_callable.
 447         * include/bits/shared_ptr_base.h (__shared_ptr): Use __is_invocable
 448         instead of __is_callable.
 449         * include/std/functional (invoke): use invoke_result_t instead of
 450         result_of_t and is_nothrow_invocable instead of is_nothrow_callable.
 451         (_Not_fn): Use __invoke_result instead of result_of.
 452         * include/std/type_traits (__result_of_memobj, __result_of_memfun):
 453         Remove partial specializations for reference_wrapper types.
 454         (__result_of_impl): Use __inv_unwrap to strip reference_wrapper.
 455         (__invoke_result): Define replacement for result_of and then use it to
 456         define result_of.
 457         (__is_callable_impl, __is_callable, __is_nothrow_callable): Replace
 458         with __is_invocable_impl, __is_invocable, and __is_nothrow_invocable
 459         respectively.
 460         (invoke_result, invoke_result_t): Define for C++17.
 461         (is_callable, is_nothrow_callable): Replace with is_invocable,
 462         is_invocable_r, is_nothrow_invocable, and is_nothrow_invocable_r.
 463         (is_callable_v, is_nothrow_callable_v): Replace with is_invocable_v,
 464         is_invocable_r_v, is_nothrow_invocable_v, and is_nothrow_invocable_r_v.
 465         * include/std/variant (hash<variant<T...>>): Use is_nothrow_invocable_v
 466         instead of is_nothrow_callable_v.
 467         * testsuite/20_util/function_objects/invoke/59768.cc: Remove unused
 468         main function.
 469         * testsuite/20_util/function_objects/not_fn/1.cc: Use is_invocable
 470         instead of is_callable.
 471         * testsuite/20_util/is_callable/*: Rename directory and adjust tests
 472         to use new traits.
 473         * testsuite/20_util/is_nothrow_callable/*: Likewise.
 474         * testsuite/20_util/optional/hash.cc: Use is_invocable_v instead of
 475         is_callable.
 476         * testsuite/20_util/variant/hash.cc: Likewise.
 477
 478 2017-03-10  George Lander  <george.lander@arm.com>
 479
 480         * acinclude.m4 (glibcxx_cv_obsolete_isnan): Define
 481         _GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h.
 482         * configure: Regenerate.
 483
 484 2017-03-09  Jonathan Wakely  <jwakely@redhat.com>
 485
 486         * include/std/functional (_Not_fn): Define macro to simplify
 487         repetitive function definitions.
 488
 489         * doc/xml/manual/status_cxx2017.xml: Document std::byte support.
 490         * include/c_global/cstddef (std::byte): Define for C++17.
 491         * testsuite/18_support/byte/global_neg.cc: New test.
 492         * testsuite/18_support/byte/ops.cc: New test.
 493         * testsuite/18_support/byte/requirements.cc: New test.
 494
 495 2017-03-05  Jonathan Wakely  <jwakely@redhat.com>
 496
 497         * doc/xml/manual/status_cxx2017.xml: Document P0156R2 status.
 498         * doc/html/*: Regenerate.
 499         * include/std/mutex (scoped_lock): Implement new C++17 template.
 500         * testsuite/30_threads/scoped_lock/cons/1.cc: New test.
 501         * testsuite/30_threads/scoped_lock/requirements/
 502         explicit_instantiation.cc: New test.
 503         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: New test.
 504
 505 2017-03-02  Gerald Pfeifer  <gerald@pfeifer.com>
 506             François Dumont  <frs.dumont@gmail.com>
 507             Jonathan Wakely  <jwakely@redhat.com>
 508
 509         * doc/xml/manual/debug_mode.xml: Update and simplify note
 510         on link- and run-time coexistence.
 511
 512 2017-03-02  Jonathan Wakely  <jwakely@redhat.com>
 513
 514         * testsuite/17_intro/headers/names.cc: Rename to ...
 515         * testsuite/17_intro/names.cc: ... here.
 516
 517         PR libstdc++/79789
 518         * include/bits/hashtable_policy.h (__clp2): Use reserved names for
 519         parameters and local variables.
 520         * include/bits/ios_base.h (make_error_code, make_error_condition):
 521         Likewise.
 522         * include/bits/list.tcc (list::sort): Likewise.
 523         * include/bits/mask_array.h (mask_array): Likewise.
 524         * include/bits/regex.h (regex_token_iterator): Likewise.
 525         * include/bits/slice_array.h (slice_array): Likewise.
 526         * include/bits/stl_algo.h (__sample): Likewise.
 527         * include/std/memory (undeclare_no_pointers): Likewise.
 528         * include/std/type_traits (is_callable_v, is_nothrow_callable_v):
 529         Likewise.
 530         * libsupc++/exception_ptr.h (__dest_thunk): Likewise.
 531         * testsuite/17_intro/headers/names.cc: New test.
 532
 533         PR libstdc++/79798
 534         * include/std/functional (bind::_Res_type_impl): Fix incorrect use of
 535         result_of that loses top-level cv-qualifiers.
 536         * testsuite/20_util/bind/79798.cc: New test.
 537
 538 2017-03-01  Gerald Pfeifer  <gerald@pfeifer.com>
 539
 540         * doc/xml/manual/documentation_hacking.xml: Tweak link to
 541         doxygen.org.
 542
 543 2017-02-23  Jonathan Wakely  <jwakely@redhat.com>
 544
 545         * include/experimental/iterator: Include <iterator>.
 546         * testsuite/experimental/iterator/requirements.cc: Check for contents
 547         of <iterator>.
 548
 549 2017-02-19  Dinka Ranns  <dinka.ranns@googlemail.com>
 550
 551         C++17 GB50 resolution
 552         * include/std/chrono (duration::operator++()): Add
 553         _GLIBCXX17_CONSTEXPR.
 554         (duration::operator++(int)): Likewise.
 555         (duration::operator--()): Likewise.
 556         (duration::operator--(int)): Likewise.
 557         (duration::operator+=(const duration&)): Likewise.
 558         (duration::operator-=(const duration&)): Likewise.
 559         (duration::operator*=(const rep&)): Likewise.
 560         (duration::operator/=(const rep&)): Likewise.
 561         (duration::operator%=(const rep&)): Likewise.
 562         (duration::operator%=(const duration&)): Likewise.
 563         (time_point::operator+=(const duration&)): Likewise.
 564         (time_point::operator-=(const duration&)): Likewise.
 565         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: New test.
 566         * testsuite/20_util/duration/literals/range.cc: Adjust dg-error.
 567         * testsuite/20_util/time_point/arithmetic/constexpr.cc: New test.
 568
 569 2017-02-19  Gerald Pfeifer  <gerald@pfeifer.com>
 570
 571         * doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer.
 572
 573 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
 574
 575         * doc/xml/manual/io.xml: Update link to groups.google.com.
 576         Tweak link description.
 577
 578 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
 579
 580         * doc/xml/manual/profile_mode.xml: Fix link.
 581
 582 2017-02-16  Gerald Pfeifer  <gerald@pfeifer.com>
 583
 584         * doc/xml/manual/policy_data_structures.xml: Simplify and
 585         standardize references to boost.org.
 586         * doc/xml/manual/policy_data_structures_biblio.xml: Ditto.
 587         * doc/xml/manual/shared_ptr.xml: Ditto.
 588
 589 2017-02-16  Jonathan Wakely  <jwakely@redhat.com>
 590
 591         PR libstdc++/60936
 592         * src/c++11/snprintf_lite.cc (__concat_size_t): Calculate length
 593         written to buffer, not length remaining in buffer.
 594
 595 2017-02-15  Tim Shen  <timshen@google.com>
 596
 597         PR libstdc++/78723
 598         * include/std/variant (operator<(), operator>(), operator<=(),
 599         operator>=(), operator==(), operator!=()): Implement P0393R3.
 600         * testsuite/20_util/variant/compile.cc: Adjust tests.
 601         * testsuite/20_util/variant/run.cc: Adjust tests.
 602
 603 2017-02-15  Tim Shen  <timshen@google.com>
 604
 605         PR libstdc++/79513
 606         * include/std/variant (visit()): Forward variant types to the return
 607         type detection code.
 608         * testsuite/20_util/variant/compile.cc: Add test cases.
 609
 610 2017-02-13  H.J. Lu  <hongjiu.lu@intel.com>
 611
 612         PR libstdc++/79348
 613         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
 614
 615 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
 616
 617         PR libstdc++/79348
 618         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
 619         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Likewise.
 620         * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Likewise.
 621         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Likewise.
 622         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Likewise.
 623         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Likewise.
 624         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Likewise.
 625         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Likewise.
 626         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Likewise.
 627
 628 2017-02-13  Jonathan Wakely  <jwakely@redhat.com>
 629
 630         PR libstdc++/79486
 631         * include/std/future (__future_base::_Task_state::_M_run)
 632         (__future_base::_Task_state::_M_run_delayed): Use lvalue types in
 633         result_of expressions.
 634         * testsuite/30_threads/packaged_task/79486.cc: New.
 635
 636 2017-02-11  Jonathan Wakely  <jwakely@redhat.com>
 637
 638         PR libstdc++/79467
 639         * include/bits/shared_ptr_base.h (__shared_ptr(_Yp*, _Deleter))
 640         (__shared_ptr(_Yp*, _Deleter, _Alloc)): Use lvalue types in
 641         __is_callable check.
 642         * testsuite/20_util/shared_ptr/cons/79467.cc: New.
 643
 644         * include/bits/atomic_base.h: Re-indent.
 645
 646 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
 647
 648         * doc/xml/manual/profile_mode.xml: Update a paper reference.
 649
 650 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 651
 652         * src/c++11/snprintf_lite.cc (__err): Use https for bug reporting.
 653
 654 2017-02-08  Jonathan Wakely  <jwakely@redhat.com>
 655
 656         * doc/xml/manual/policy_data_structures.xml: Fix spelling of author's
 657         name.
 658         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise. Remove
 659         broken links to texts that are no longer online.
 660         * doc/xml/manual/profile_mode.xml: Update links to CGO 2009 paper and
 661         LCPC 2006 paper.
 662         * doc/xml/manual/using.xml: Update links to memory model information.
 663         * doc/xml/manual/using_exceptions.xml: Update link to "Appendix E:
 664         Standard-Library Exception Safety".
 665         * doc/html/*: Regenerate.
 666
 667 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 668
 669         * doc/xml/manual/profile_mode.xml: Unbreak link to
 670         "Optimizing Sorting with Machine Learning Algorithms".
 671
 672 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 673
 674         * src/c++11/snprintf_lite.cc (__err): Update bug reporting URL.
 675
 676 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 677
 678         * doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++
 679         Migration Guide".
 680
 681 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
 682
 683         * doc/html/ext/lwg-active.html: Remove.
 684         * doc/html/ext/lwg-closed.html: Ditto.
 685         * doc/html/ext/lwg-defects.html: Ditto.
 686
 687         * doc/Makefile.am (xml_extradir): Remove.
 688         (xml_extra): Ditto.
 689         (stamp-html-docbook-lwg): Remove recipe...
 690         (stamp-html-docbook-data): ...and its use here.
 691         * doc/Makefile.in: Regenerate.
 692
 693         * doc/xml/manual/intro.xml: Shorten two paragraphs explaining
 694         the relationship to the upstream working group.
 695         Replace a local link to ../ext/lwg-active.html by the upstream one.
 696         Replace all reference to ../ext/lwg-defects.html by a new entity
 697         &DR; which refers to the upstream address.
 698
 699 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
 700
 701         * doc/xml/manual/status_cxx2017.xml: Fix link to N4284.
 702
 703 2017-02-06  Jonathan Wakely  <jwakely@redhat.com>
 704
 705         PR libstdc++/79323
 706         * testsuite/20_util/duration/literals/range.cc: Prune extra output
 707         at -O0.
 708
 709 2017-02-06  Gerald Pfeifer  <gerald@pfeifer.com>
 710
 711         * doc/xml/manual/documentation_hacking.xml: Update URL of the
 712         DocBook Element Reference.  Use that term as link description
 713         instead of "online".
 714         epubcheck has moved to GitHub.
 715         Remove obsolete link to DocBook Publishing Tools.
 716
 717 2017-02-03  Jonathan Wakely  <jwakely@redhat.com>
 718
 719         PR libstdc++/66145
 720         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Restore ABI override
 721         so new ios::failure can be caught even when old ABI is the default.
 722         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
 723         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
 724         exceptions_failbit.cc: Likewise.
 725         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
 726         exceptions_failbit.cc: Likewise.
 727         * testsuite/27_io/basic_istream/extractors_other/char/
 728         exceptions_null.cc: Likewise.
 729         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
 730         exceptions_null.cc: Likewise.
 731         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
 732         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
 733         * testsuite/27_io/basic_ostream/inserters_other/char/
 734         exceptions_null.cc: Likewise.
 735         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
 736         exceptions_null.cc: Likewise.
 737         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
 738
 739         PR libstdc++/60936
 740         * src/c++11/Makefile.am: Add new files.
 741         * src/c++11/Makefile.in: Regenerate.
 742         * src/c++11/cow-string-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
 743         (operator<<, operator>>, getline): Move explicit instantiations to ...
 744         * src/c++11/cow-string-io-inst.cc: ... new file.
 745         * src/c++11/cow-wstring-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
 746         (operator<<, operator>>, getline): Move explicit instantiations to ...
 747         * src/c++11/cow-wstring-io-inst.cc: ... new file.
 748         * src/c++11/functexcept.cc (__throw_ios_failure, __throw_system_error)
 749         (__throw_future_error, __throw_bad_function_call):
 750         (__throw_regex_error): Move functions for C++11 exceptions to the
 751         files that define the exception types.
 752         * src/c++11/functional.cc (__throw_bad_function_call): Move here.
 753         * src/c++11/future.cc (__throw_future_error): Likewise.
 754         * src/c++11/ios.cc (__throw_ios_failure): Likewise.
 755         * src/c++11/regex.cc (__throw_regex_error): Likewise.
 756         * src/c++11/snprintf_lite.cc (__concat_size_t): Print decimal
 757         representation directly instead of calling __int_to_char.
 758         * src/c++11/sso_string.cc (__sso_string): New file for definition
 759         of __sso_string type.
 760         * src/c++11/string-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
 761         explicit instantiations of narrow string I/O functions.
 762         * src/c++11/system_error.cc (__throw_system_error): Move here.
 763         (__sso_string): Move to new file.
 764         * src/c++11/wstring-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
 765         explicit instantiations of wide string I/O functions.
 766         * src/c++98/misc-inst.cc [_GLIBCXX_USE_CXX11_ABI] (operator<<)
 767         (operator>>, getline): Remove explicit instantiations from here.
 768
 769 2017-02-02  H.J. Lu  <hongjiu.lu@intel.com>
 770
 771         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
 772
 773 2017-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 774
 775         * configure.host: Separate Solaris/SPARC and x86 baselines.
 776         * config/abi/post/solaris2.10/baseline_symbols.txt: Move ...
 777         * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: ... here.
 778         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Move ...
 779         * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
 780         ... here.
 781         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Move ...
 782         * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: ... here.
 783         * config/abi/post/i386-solaris2.10/baseline_symbols.txt: New file.
 784         * config/abi/post/solaris2.11/baseline_symbols.txt: Move ...
 785         * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: ... here.
 786         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Move ...
 787         * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
 788         ... here.
 789         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Move ...
 790         * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: ... here.
 791         * config/abi/post/i386-solaris2.11/baseline_symbols.txt: New file.
 792
 793         * config/abi/post/solaris2.10/baseline_symbols.txt: Regenerate.
 794         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
 795         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.
 796         * config/abi/post/solaris2.11/baseline_symbols.txt: Likewise.
 797         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Likewise.
 798         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Likewise.
 799
 800 2017-02-01  Jonathan Wakely  <jwakely@redhat.com>
 801
 802         PR libstdc++/78346
 803         * include/bits/predefined_ops.h (_Iter_equals_iter): Store iterator
 804         not its referent.
 805         (_Iter_comp_to_iter): Likewise.
 806         * testsuite/25_algorithms/search/78346.cc: New test.
 807
 808         PR libstdc++/79254
 809         * config/abi/pre/gnu.ver: Remove recently added symbols.
 810         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 811         (basic_string::_M_copy_assign): Remove.
 812         (basic_string::operator=(const basic_string&)): Don't dispatch to
 813         _M_copy_assign. If source object is small just deallocate, otherwise
 814         perform new allocation before making any changes.
 815         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
 816         (basic_string::_M_copy_assign(const basic_string&, true_type)):
 817         Remove.
 818         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
 819         Test cases where the allocators are equal or the string is small.
 820         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
 821         Likewise.
 822
 823 2017-01-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
 824
 825         Implement LWG 2825, LWG 2756 breaks class template argument
 826         deduction for optional.
 827         * include/std/optional: Add a deduction guide.
 828         * testsuite/20_util/optional/cons/deduction_guide.cc: New.
 829
 830 2017-01-27  Jonathan Wakely  <jwakely@redhat.com>
 831
 832         PR libstdc++/79254
 833         * config/abi/pre/gnu.ver: Add new symbols.
 834         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 835         (basic_string::_M_copy_assign): New overloaded functions to perform
 836         copy assignment.
 837         (basic_string::operator=(const basic_string&)): Dispatch to
 838         _M_copy_assign.
 839         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
 840         (basic_string::_M_copy_assign(const basic_string&, true_type)):
 841         Define, performing rollback on exception.
 842         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
 843         Test exception-safety guarantee.
 844         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
 845         Likewise.
 846         * testsuite/util/testsuite_allocator.h (uneq_allocator::swap): Make
 847         std::swap visible.
 848
 849 2017-01-26  Jonathan Wakely  <jwakely@redhat.com>
 850
 851         PR libstdc++/70607
 852         * include/tr1/complex (conj): Remove using-declaration and restore
 853         overloads, reverting previous change.
 854
 855         * testsuite/23_containers/list/operations/78389.cc: Fix for C++11
 856         mode.
 857         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
 858         Mark as unsupported in C++98 mode.
 859         * testsuite/23_containers/queue/requirements/constructible.cc:
 860         Likewise.
 861         * testsuite/23_containers/stack/requirements/constructible.cc:
 862         Likewise.
 863         * testsuite/25_algorithms/make_heap/movable.cc: Fix for C++11 mode.
 864
 865         PR libstdc++/79243
 866         * include/bits/c++config (literals::string_view_literals::__7): Add.
 867         Only declare versioned namespaces for the relevant C++ dialects.
 868         * include/experimental/bits/erase_if.h (fundamentals_v2::__detail):
 869         Add versioning macros.
 870         * include/experimental/bits/lfts_config.h:
 871         (fundamentals_v1::__detail::__7, fundamentals_v2::__detail::__7): Add.
 872         * include/experimental/string_view (fundamentals_v2::__detail):
 873         Add versioning macros.
 874         (fundamentals_v2::__detail::__identity): Remove.
 875         (fundamentals_v2::__detail::__idt): Use common_type instead of
 876         __detail::__identity.
 877         * include/std/string_view (__detail::__identity, __detail::__idt):
 878         Likewise.
 879         (literals::string_view_literals): Fix nesting of versioning macros.
 880
 881         PR libstdc++/79190
 882         * libsupc++/del_opa.cc (operator delete(void*, std::align_val_t))
 883         [!_GLIBCXX_HAVE_ALIGNED_ALLOC && !_GLIBCXX_HAVE_POSIX_MEMALIGN
 884         && !_GLIBCXX_HAVE_MEMALIGN && !_GLIBCXX_HAVE__ALIGNED_MALLOC]:
 885         Retrieve original pointer value allocated by malloc.
 886         * libsupc++/new_opa.cc [!_GLIBCXX_HAVE_ALIGNED_ALLOC
 887         && !_GLIBCXX_HAVE_POSIX_MEMALIGN && !_GLIBCXX_HAVE_MEMALIGN
 888         && !_GLIBCXX_HAVE__ALIGNED_MALLOC] (aligned_alloc(size_t, size_t)):
 889         Define, adjusting pointer value allocated by malloc and storing for
 890         retrieval by operator delete.
 891
 892 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
 893
 894         * libsupc++/eh_atomics.h: Update copyright years.
 895         * testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years.
 896
 897 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
 898
 899         PR libstdc++/61791
 900         PR libstdc++/70607
 901         * include/std/complex (real(T), imag(T)): Add _GLIBCXX_CONSTEXPR.
 902         (proj(T), conj(T)): Change return types per DR 1522.
 903         * include/tr1/complex (conj): Remove overloads and use std::conj.
 904         * testsuite/26_numerics/complex/dr781_dr1137.cc: Rename to...
 905         * testsuite/26_numerics/complex/dr781.cc: ... this, and update.
 906         * testsuite/26_numerics/complex/value_operations/constexpr2.cc: Test
 907         real(T) and imag(T). Allow testing for C++11 too.
 908
 909 2017-01-24  Jonathan Wakely  <jwakely@redhat.com>
 910
 911         PR libstdc++/79206
 912         * include/experimental/string_view (operator==): Check sizes first.
 913         * include/std/string_view (operator==): Likewise.
 914
 915 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
 916
 917         * testsuite/experimental/array/make_array.cc: Restore <functional>
 918         inclusion.
 919
 920 2017-01-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 921
 922         * testsuite/29_atomics/atomic/69301.cc: Require atomic builtins.
 923
 924 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
 925
 926         PR libstdc++/79195
 927         * include/experimental/array (__make_array_elem): New class template
 928         and partial specialization.
 929         (__is_reference_wrapper): Move into __make_array_elem specialization.
 930         (make_array): Use __make_array_elem to determine element type and move
 931         static assertion into specialization. Qualify std::forward call.
 932         (to_array): Add exception specifiation.
 933         * testsuite/experimental/array/make_array.cc: Test argument types
 934         without a common type.
 935         * testsuite/experimental/array/neg.cc: Adjust expected error message.
 936
 937 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
 938
 939         * doc/xml/manual/debug.xml: code.google.com uses https now.
 940
 941 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
 942
 943         * doc/xml/manual/test.xml: Fix link into gccint online manual.
 944
 945 2017-01-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
 946
 947         Make poisoned hashes SFINAE away the call operator of the hash.
 948         * include/bits/functional_hash.h
 949         (__poison_hash::__enable_hash_call): New.
 950         * include/std/optional (__optional_hash_call_base): New.
 951         (hash<optional<_Tp>>): Derive from the new base,
 952         move the hash function into that base.
 953         * include/std/variant (__variant_hash_call_base_impl): New.
 954         (__variant_hash_call_base): Likewise.
 955         (hash<variant<_Types...>>): Derive from the new base,
 956         move the hash function into that base.
 957         * testsuite/20_util/optional/hash.cc: Add tests for is_callable.
 958         * testsuite/20_util/variant/hash.cc: Likewise.
 959
 960 2017-01-20  Joe Seymour  <joe.s@somniumtech.com>
 961
 962         * acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t.
 963         * configure: Regenerate.
 964
 965 2017-01-20  Jonathan Wakely  <jwakely@redhat.com>
 966
 967         PR libstdc++/69240
 968         * include/bits/random.h (uniform_real_distribution::param_type)
 969         (normal_distribution::param_type, lognormal_distribution::param_type)
 970         (gamma_distribution::param_type, chi_squared_distribution::param_type)
 971         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
 972         (student_t_distribution::param_type)
 973         (bernoulli_distribution::param_type, binomial_distribution::param_type)
 974         (geometric_distribution::param_type)
 975         (negative_binomial_distribution::param_type)
 976         (poisson_distribution::param_type)
 977         (exponential_distribution::param_type)
 978         (weibull_distribution::param_type)
 979         (extreme_value_distribution::param_type)
 980         (discrete_distribution::param_type)
 981         (piecewise_constant_distribution::param_type)
 982         (piecewise_linear_distribution::param_type): Define operator!=.
 983         * include/bits/uniform_int_dist.h
 984         (uniform_int_distribution::param_type): Likewise.
 985         * include/ext/random (beta_distribution::param_type)
 986         (rice_distribution::param_type, nakagami_distribution::param_type)
 987         (pareto_distribution::param_type, k_distribution::param_type)
 988         (arcsine_distribution::param_type, hoyt_distribution::param_type)
 989         (triangular_distribution::param_type)
 990         (von_mises_distribution::param_type)
 991         (hypergeometric_distribution::param_type)
 992         (logistic_distribution::param_type)
 993         (uniform_on_sphere_distribution::param_type)
 994         (uniform_inside_sphere_distribution::param_type): Likewise.
 995         * testsuite/26_numerics/random/bernoulli_distribution/cons/parms.cc:
 996         Test construction with param_type.
 997         * testsuite/26_numerics/random/binomial_distribution/cons/parms.cc:
 998         Likewise.
 999         * testsuite/26_numerics/random/cauchy_distribution/cons/parms.cc:
1000         Likewise.
1001         * testsuite/26_numerics/random/chi_squared_distribution/cons/parms.cc:
1002         Likewise.
1003         * testsuite/26_numerics/random/exponential_distribution/cons/parms.cc:
1004         Likewise.
1005         * testsuite/26_numerics/random/extreme_value_distribution/cons/
1006         parms.cc: Likewise.
1007         * testsuite/26_numerics/random/fisher_f_distribution/cons/parms.cc:
1008         Likewise.
1009         * testsuite/26_numerics/random/gamma_distribution/cons/parms.cc:
1010         Likewise.
1011         * testsuite/26_numerics/random/geometric_distribution/cons/parms.cc:
1012         Likewise.
1013         * testsuite/26_numerics/random/lognormal_distribution/cons/parms.cc:
1014         Likewise.
1015         * testsuite/26_numerics/random/negative_binomial_distribution/cons/
1016         parms.cc: Likewise.
1017         * testsuite/26_numerics/random/normal_distribution/cons/parms.cc:
1018         Likewise.
1019         * testsuite/26_numerics/random/poisson_distribution/cons/parms.cc:
1020         Likewise.
1021         * testsuite/26_numerics/random/student_t_distribution/cons/parms.cc:
1022         Likewise.
1023         * testsuite/26_numerics/random/uniform_int_distribution/cons/parms.cc:
1024         Likewise.
1025         * testsuite/26_numerics/random/uniform_real_distribution/cons/parms.cc:
1026         Likewise.
1027         * testsuite/26_numerics/random/weibull_distribution/cons/parms.cc:
1028         Likewise.
1029         * testsuite/ext/random/arcsine_distribution/cons/parms.cc: Likewise.
1030         * testsuite/ext/random/beta_distribution/cons/parms.cc: Likewise.
1031         * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
1032         * testsuite/ext/random/hypergeometric_distribution/cons/parms.cc:
1033         Likewise.
1034         * testsuite/ext/random/k_distribution/cons/parms.cc: Likewise.
1035         * testsuite/ext/random/logistic_distribution/cons/parms.cc: Likewise.
1036         * testsuite/ext/random/nakagami_distribution/cons/parms.cc: Likewise.
1037         * testsuite/ext/random/normal_mv_distribution/cons/parms.cc: Likewise.
1038         * testsuite/ext/random/pareto_distribution/cons/parms.cc: Likewise.
1039         * testsuite/ext/random/rice_distribution/cons/parms.cc: Likewise.
1040         * testsuite/ext/random/triangular_distribution/cons/parms.cc:
1041         Likewise.
1042         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/
1043         parms.cc: Likewise.
1044         * testsuite/ext/random/von_mises_distribution/cons/parms.cc: Likewise.
1045
1046         PR libstdc++/72792
1047         * include/bits/alloc_traits.h (__allocator_traits_base::__diff_type)
1048         (__allocator_traits_base::__size_type): Remove.
1049         (allocator_traits::_Ptr): New class template to detect const and void
1050         pointer types without instantiating pointer_traits::rebind
1051         unnecessarily.
1052         (allocator_traits::_Diff): Likewise for detecting difference_type.
1053         (allocator_traits::_Size): New class template to detect size_type
1054         without instantiating make_unsigned unnecessarily.
1055         * include/bits/ptr_traits.h (pointer_traits::element_type): Use
1056         __detected_or_t instead of __detected_or_t_.
1057         * include/std/type_traits (__detected_or_t_): Remove.
1058         * testsuite/20_util/allocator_traits/members/pointers.cc: New test.
1059
1060         PR libstdc++/72792
1061         PR libstdc++/72793
1062         * include/bits/alloc_traits.h (__allocator_traits_base::__rebind):
1063         Replace with class template using void_t.
1064         (__alloc_rebind): Define in terms of
1065         __allocator_traits_base::__rebind.
1066         (allocator_traits): Remove unconditional static_assert for
1067         rebind_alloc.
1068         * include/bits/ptr_traits.h (__replace_first_arg): Remove type member.
1069         (pointer_traits::__rebind): Replace with class template using void_t.
1070         (pointer_traits::rebind): Define in terms of __rebind.
1071         (pointer_traits): Remove unconditional static_assert for rebind.
1072         * testsuite/20_util/allocator_traits/members/rebind_alloc.cc: New test.
1073         * testsuite/20_util/pointer_traits/rebind.cc: New test.
1074
1075         PR libstdc++/69321
1076         * include/experimental/any (__any_caster): Avoid instantiating
1077         manager function for types that can't be stored in any.
1078         * include/std/any (__any_caster): Likewise.
1079         * testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
1080         * testsuite/experimental/any/misc/any_cast.cc: Likewise.
1081
1082         PR libstdc++/64903
1083         * include/bits/stl_algo.h (is_partitioned): Use increment instead of
1084         std::advance.
1085
1086 2017-01-19  Jonathan Wakely  <jwakely@redhat.com>
1087
1088         PR libstdc++/79156
1089         * include/bits/shared_ptr_base.h (__enable_shared_from_this_base):
1090         Fix return type.
1091         (__enable_shared_from_this): Declare __shared_ptr as a friend.
1092         * testsuite/ext/shared_ptr/1.cc: New test.
1093
1094         PR libstdc++/64903
1095         * include/bits/stl_algo.h (is_partitioned): Don't retest the partition
1096         point.
1097         * testsuite/25_algorithms/is_partitioned/2.cc: New test.
1098
1099         * doc/xml/manual/abi.xml: Fix typo.
1100         * doc/html/manual/abi.html: Likewise.
1101
1102         PR libstdc++/67085
1103         * include/bits/predefined_ops.h (_Iter_less_val, _Val_less_iter): Add
1104         converting constructors from _Iter_less_iter.
1105         (_Iter_comp_val, _Val_comp_iter): Add converting constructors from
1106         _Iter_comp_iter.
1107         (__iter_comp_val(_Iter_comp_iter<C>): Use converting constructor.
1108         (__val_comp_iter(_Iter_comp_iter<C>): Likewise.
1109         * include/bits/stl_heap.h (__is_heap_until, __push_heap, __pop_heap)
1110         (__make_heap, __sort_heap): Change _Compare parameters to references.
1111         (__is_heap, push_heap, __adjust_heap, __pop_heap, pop_heap)
1112         (__make_heap, make_heap, sort_heap, is_heap_until): Pass comparison
1113         functions as lvalues.
1114         (is_heap): Call __is_heap_until directly to avoid copying __comp.
1115         * testsuite/23_containers/priority_queue/67085.cc: Adjust test to
1116         count copies during construction with empty sequence.
1117
1118         PR libstdc++/67085
1119         * include/bits/stl_heap.h (__is_heap): Use _GLIBCXX_MOVE.
1120         (__make_heap, __sort_heap): Don't use _GLIBCXX_MOVE inside loops.
1121         * testsuite/23_containers/priority_queue/67085.cc: Adjust expected
1122         number of copies.
1123         * testsuite/25_algorithms/make_heap/movable.cc: New test.
1124
1125         PR libstdc++/67085
1126         * include/bits/stl_heap.h (push_heap, __adjust_heap, __pop_heap)
1127         (pop_heap, __make_heap, make_heap, __sort_heap, sort_heap): Use
1128         _GLIBCXX_MOVE when passing comparison function to other functions.
1129         (is_heap_until, is_heap): Use std::move when passing comparison
1130         function.
1131         * testsuite/23_containers/priority_queue/67085.cc: New test.
1132
1133         PR libstdc++/78905
1134         * doc/xml/manual/abi.xml (abi.versioning.history): Add markup to
1135         macro names, filenames, and literal values. Document _GLIBCXX_RELEASE.
1136         Document that the deprecated _GLIBCXX_VERSION macro was removed for
1137         the 4.0.0 release.
1138         * doc/html/*: Regenerate.
1139         * include/Makefile.am (_GLIBCXX_RELEASE): Set value.
1140         * include/Makefile.in: Regenerate.
1141         * include/bits/c++config (_GLIBCXX_RELEASE): Add #define.
1142         * testsuite/ext/profile/mutex_extensions_neg.cc: Use lineno of 0 in
1143         dg-error.
1144
1145 2017-01-18  Jonathan Wakely  <jwakely@redhat.com>
1146
1147         PR libstdc++/69301
1148         * include/std/atomic (atomic<T>::load, atomic<T>::exchange): Use
1149         aligned buffer instead of default-initialized variable.
1150         * testsuite/29_atomics/atomic/69301.cc: New test.
1151         * include/experimental/memory (observer_ptr::release): Use reserved
1152         name.
1153         * include/ext/pointer.h (_Pointer_adapter::operator++(int))
1154         (_Pointer_adapter::operator--(int)): Likewise.
1155
1156         PR libstdc++/68925
1157         * include/experimental/random (randint): Use temporary instead of
1158         thread_local static.
1159
1160 2017-01-17  Joshua Conner  <joshconner@google.com>
1161
1162         * crossconfig.m4: Add fuchsia OS.
1163         * configure: Regenerate.
1164
1165 2017-01-17  Jonathan Wakely  <jwakely@redhat.com>
1166
1167         PR libstdc++/69699
1168         * doc/xml/manual/abi.xml (abi.versioning.history): Explain why the
1169         __GLIBCXX__ macro is not useful. Remove redundant date information
1170         and link to the GCC release timeline.
1171         (abi.versioning.active): Move partial sentence into the previous
1172         paragraph.
1173         * doc/html/*: Regenerate.
1174
1175         PR libstdc++/79114
1176         * libsupc++/nested_exception.h (throw_with_nested): Use decay instead
1177         of remove_reference.
1178         * testsuite/18_support/nested_exception/79114.cc: New test.
1179
1180 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
1181
1182         PR other/79046
1183         * configure.ac: Add GCC_BASE_VER.
1184         * fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
1185         get version from BASE-VER file.
1186         * po/Makefile.in: Regenerated.
1187         * libsupc++/Makefile.in: Regenerated.
1188         * testsuite/Makefile.in: Regenerated.
1189         * src/Makefile.in: Regenerated.
1190         * configure: Regenerated.
1191         * Makefile.in: Regenerated.
1192         * include/Makefile.in: Regenerated.
1193         * doc/Makefile.in: Regenerated.
1194         * python/Makefile.in: Regenerated.
1195         * src/c++11/Makefile.in: Regenerated.
1196         * src/c++98/Makefile.in: Regenerated.
1197         * src/filesystem/Makefile.in: Regenerated.
1198
1199 2017-01-16  Jonathan Wakely  <jwakely@redhat.com>
1200
1201         PR libstdc++/66145
1202         * src/c++11/functexcept.cc: Use new ABI for std::ios_base::failure
1203         exceptions.
1204         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Don't override ABI
1205         for test, so new ios::failure can be caught.
1206         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1207         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1208         exceptions_failbit.cc: Likewise.
1209         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1210         exceptions_failbit.cc: Likewise.
1211         * testsuite/27_io/basic_istream/extractors_other/char/
1212         exceptions_null.cc: Likewise.
1213         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1214         exceptions_null.cc: Likewise.
1215         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1216         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1217         * testsuite/27_io/basic_ostream/inserters_other/char/
1218         exceptions_null.cc: Likewise.
1219         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1220         exceptions_null.cc: Likewise.
1221         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1222
1223         PR libstdc++/78702
1224         * include/bits/locale_classes.h (locale::facet::__shim): Change from
1225         private to protected.
1226         * src/c++11/cxx11-shim_facets.cc (__shim_accessor): Define helper to
1227         make locale::facet::__shim accessible.
1228
1229 2017-01-16  Ville Voutilainen  <ville.voutilainen@gmail.com>
1230
1231         PR libstdc++/78389
1232         * include/bits/list.tcc (merge(list&&)): Fix backwards size adjustments.
1233         (merge(list&&, _StrictWeakOrdering)): Likewise.
1234         * testsuite/23_containers/list/operations/78389.cc: Add
1235         better test for the sizes.
1236
1237 2017-01-14  Jonathan Wakely  <jwakely@redhat.com>
1238
1239         * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
1240         Skip test when -D_GLIBCXX_PROFILE mode is included in options.
1241         * testsuite/23_containers/map/modifiers/extract.cc: Likewise.
1242         * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
1243         Likewise.
1244         * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
1245         * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
1246         * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
1247         * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
1248         * testsuite/23_containers/unordered_map/modifiers/extract.cc:
1249         Likewise.
1250         * testsuite/23_containers/unordered_multimap/modifiers/extract.cc::
1251         Likewise.
1252         * testsuite/23_containers/unordered_multiset/modifiers/extract.cc::
1253         Likewise.
1254         * testsuite/23_containers/unordered_set/modifiers/extract.cc:
1255         Likewise.
1256         * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
1257         Likewise.
1258         * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
1259         * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
1260         * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1261         * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1262         * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1263         * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1264         * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1265         * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
1266         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
1267         * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1268         * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1269         * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1270         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1271
1272 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
1273
1274         PR libstdc++/65411
1275         * config/io/basic_file_stdio.cc (__basic_file<char>::close()): Don't
1276         retry fclose on EINTR.
1277
1278         * include/profile/base.h: Remove unused header that leads to header
1279         cycle in C++17 mode.
1280
1281         PR libstdc++/79075
1282         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
1283         Make _If_sv private.
1284         [!_GLIBCXX_USE_CXX11_ABI] (basic_string): Add member functions taking
1285         basic_string_view arguments.
1286
1287         PR libstdc++/79075
1288         * testsuite/lib/libstdc++.exp (check_v3_target_filesystem_ts): Remove
1289         redundant option from cxxflags.
1290         (check_effective_target_cxx11-abi): Define.
1291         * testsuite/21_strings/basic_string/allocator/71964.cc: Use cxx11-abi
1292         effective target.
1293         * testsuite/21_strings/basic_string/allocator/char/copy.cc: Likewise.
1294         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1295         Likewise.
1296         * testsuite/21_strings/basic_string/allocator/char/minimal.cc:
1297         Likewise.
1298         * testsuite/21_strings/basic_string/allocator/char/move.cc: Likewise.
1299         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1300         Likewise.
1301         * testsuite/21_strings/basic_string/allocator/char/noexcept.cc:
1302         Likewise.
1303         * testsuite/21_strings/basic_string/allocator/char/swap.cc: Likewise.
1304         * testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc:
1305         Likewise.
1306         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1307         Likewise.
1308         * testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc:
1309         Likewise.
1310         * testsuite/21_strings/basic_string/allocator/wchar_t/move.cc:
1311         Likewise.
1312         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1313         Likewise.
1314         * testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc:
1315         Likewise.
1316         * testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc:
1317         Likewise.
1318         * testsuite/23_containers/list/61347.cc: Likewise.
1319         * testsuite/27_io/basic_fstream/cons/base.cc: Likewise.
1320         * testsuite/27_io/ios_base/failure/cxx11.cc: Likewise.
1321
1322 2017-01-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
1323
1324         PR libstdc++/78389
1325         * include/bits/list.tcc (merge(list&&)):
1326         Adjust list sizes if the comparator throws.
1327         (merge(list&&, _StrictWeakOrdering)): Likewise.
1328         (sort()): Splice elements back from the scratch buffers
1329         if the comparator throws.
1330         (sort(_StrictWeakOrdering)): Likewise.
1331         * testsuite/23_containers/list/operations/78389.cc: New.
1332
1333 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
1334
1335         * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Mark
1336         XFAIL for C++17 until node reinsertion supports fancy pointers.
1337
1338         PR libstdc++/78361
1339         * testsuite/20_util/add_pointer/value.cc: Test forming function
1340         pointers.
1341
1342 2017-01-13  Michael Brune  <lucdanton@free.fr>
1343
1344         PR libstdc++/78361
1345         * include/std/type_traits (__is_referenceable): Handle noexcept
1346         function types.
1347
1348 2017-01-12  Jonathan Wakely  <jwakely@redhat.com>
1349
1350         PR libstdc++/77528
1351         * include/bits/stl_queue.h (queue, priority_queue): Remove default
1352         member-initializers and define default constructors as templates with
1353         constraints.
1354         * include/bits/stl_stack.h (stack): Likewise.
1355         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
1356         New.
1357         * testsuite/23_containers/priority_queue/requirements/
1358         explicit_instantiation/1.cc: Test more instantiations.
1359         * testsuite/23_containers/priority_queue/requirements/
1360         explicit_instantiation/1_c++98.cc: Likewise.
1361         * testsuite/23_containers/queue/requirements/constructible.cc: New.
1362         * testsuite/23_containers/stack/requirements/constructible.cc: New.
1363
1364         PR libstdc++/66284
1365         * doc/xml/manual/intro.xml: Document LWG 2781 change.
1366         * doc/html/*: Regenerate.
1367         * include/std/functional (_Function_base::_Ref_manager): Remove.
1368         (_Function_handler): Remove partial specializations for
1369         reference_wrapper.
1370         (function::target): Remove special case for const qualification.
1371         * testsuite/20_util/function/6.cc: Adjust tests for target type.
1372         * testsuite/20_util/function/7.cc: Likewise.
1373         * testsuite/20_util/function/8.cc: Likewise.
1374
1375 2017-01-11  Jonathan Wakely  <jwakely@redhat.com>
1376
1377         PR libstdc++/78134
1378         * include/bits/stl_map.h (map::lower_bound, map::upper_bound)
1379         (map::equal_range): Fix return type of heterogeneous overloads.
1380         * include/bits/stl_multimap.h (multimap::lower_bound)
1381         (multimap::upper_bound, multimap::equal_range): Likewise.
1382         * include/bits/stl_multiset.h (multiset::lower_bound)
1383         (multiset::upper_bound, multiset::equal_range): Likewise.
1384         * include/bits/stl_set.h (set::lower_bound, set::upper_bound)
1385         (set::equal_range): Likewise.
1386         * testsuite/23_containers/map/operations/2.cc
1387         * testsuite/23_containers/multimap/operations/2.cc
1388         * testsuite/23_containers/multiset/operations/2.cc
1389         * testsuite/23_containers/set/operations/2.cc
1390
1391         PR libstdc++/78273
1392         * include/bits/stl_map.h (map::count<_Kt>(const _Kt&)): Don't assume
1393         the heterogeneous comparison can only find one match.
1394         * include/bits/stl_set.h (set::count<_Kt>(const _Kt&)): Likewise.
1395         * testsuite/23_containers/map/operations/2.cc: Test count works with
1396         comparison function that just partitions rather than sorting.
1397         * testsuite/23_containers/set/operations/2.cc: Likewise.
1398
1399 2017-01-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
1400
1401         Reduce the size of variant, it doesn't need an index of
1402         type size_t internally.
1403         * include/std/variant (parse_numbers.h): New include.
1404         (__select_index): New.
1405         (_Variant_storage<false, _Types...>::_M_reset_impl): Use
1406         _index_type for comparison with variant_npos.
1407         (_Variant_storage<false, _Types...>::__index_type): New.
1408         (_Variant_storage<false, _Types...>::_M_index): Change the
1409         type from size_t to __index_type.
1410         (_Variant_storage<true, _Types...>::__index_type): New.
1411         (_Variant_storage<true, _Types...>::_M_index): Change the
1412         type from size_t to __index_type.
1413         (_Variant_base::_M_valid): Use _Storage::__index_type
1414         for comparison with variant_npos.
1415         (variant::index): Use _Base::_Storage::__index_type
1416         for comparison with variant_npos.
1417         * testsuite/20_util/variant/index_type.cc: New.
1418
1419 2017-01-10  Jonathan Wakely  <jwakely@redhat.com>
1420
1421         * testsuite/18_support/exception_ptr/60612-unexpected.cc: Adjust
1422         effective target selector to prevent running in C++17 mode.
1423
1424         PR libstdc++/77528
1425         * include/bits/stl_queue.h (queue::c): Add default member initializer.
1426         (queue::queue()): Add constructor and define as defaulted.
1427         (queue::queue(_Sequence&&)): Remove default argument.
1428         (priority_queue::c, priority_queue::comp): Add default member
1429         initializers.
1430         (priority_queue::priority_queue()): Add constructor and define as
1431         defaulted.
1432         (priority_queue::priority_queue(const _Compare&, _Sequence&&)):
1433         Remove default argument for first parameter.
1434         * include/bits/stl_stack.h (stack::c): Add default member initializer.
1435         (stack::stack()): Add constructor and define as defaulted.
1436         (stack::stack(const _Sequence&)): Remove default argument.
1437         * testsuite/23_containers/priority_queue/requirements/
1438         explicit_instantiation/1.cc: Test explicit instantiation with
1439         non-DefaultConstructible sequence.
1440         * testsuite/23_containers/priority_queue/77528.cc: New test.
1441         * testsuite/23_containers/priority_queue/requirements/
1442         explicit_instantiation/1_c++0x.cc: Replace with 1_c++98.cc.
1443         * testsuite/23_containers/queue/77528.cc: New test.
1444         * testsuite/23_containers/queue/requirements/explicit_instantiation/
1445         1.cc: Test explicit instantiation with non-DefaultConstructible
1446         sequence.
1447         * testsuite/23_containers/queue/requirements/explicit_instantiation/
1448         1_c++0x.cc: Replace with 1_c++98.cc.
1449         * testsuite/23_containers/stack/77528.cc: New test.
1450         * testsuite/23_containers/stack/requirements/explicit_instantiation/
1451         1.cc: Test explicit instantiation with non-DefaultConstructible
1452         sequence.
1453         * testsuite/23_containers/stack/requirements/explicit_instantiation/
1454         1_c++0x.cc: Replace with 1_c++98.cc.
1455
1456 2017-01-10  Felipe Magno de Almeida <felipe@expertisesolutions.com.br>
1457
1458         * include/bits/locale_facets_nonio.tcc
1459         (time_get::_M_extract_via_format): Avoid compilation errors with
1460         non-standard struct tm.
1461
1462 2017-01-10  François Dumont  <fdumont@gcc.gnu.org>
1463             Jonathan Wakely  <jwakely@redhat.com>
1464
1465         * python/libstdcxx/v6/printers.py (_versioned_namespace): Define.
1466         (is_specialization, strip_versioned_namespace): New helpers functions
1467         to work with symbols in the versioned namespace.
1468         (Printer.add_version): Add second name using versioned namespace.
1469         (add_one_template_type_printer, add_one_type_printer): Add second
1470         type printers using versioned namespace.
1471         (register_type_printers): Add template type printer for basic_string.
1472         (build_libstdcxx_dictionary): Remove dead code.
1473         * python/libstdcxx/v6/xmethods.py: Make all matchers look for
1474         versioned namespace.
1475         * testsuite/libstdc++-prettyprinters/48362.cc: Adjust expected
1476         results.
1477         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1478
1479 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
1480
1481         PR libstdc++/79017
1482         * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Check for llrint and llround
1483         functions separately on darwin and if they're missing define
1484         _GLIBCXX_NO_C99_ROUNDING_FUNCS.
1485         * config.h.in: Regenerate.
1486         * configure: Regenerate.
1487         * include/c_global/cmath [_GLIBCXX_NO_C99_ROUNDING_FUNCS] (llrint)
1488         (llrintf, llrintl, llround, llroundf, llroundl): Do not define.
1489
1490         * testsuite/30_threads/condition_variable/members/3.cc: Use new macro
1491         to detect correct thread_local destructors.
1492         * testsuite/util/testsuite_hooks.h (CORRECT_THREAD_LOCAL_DTORS):
1493         Define.
1494
1495 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
1496             Aditya Kumar  <hiraditya@msn.com>
1497
1498         PR libstdc++/66414
1499         * include/bits/basic_string.tcc
1500         (basic_string::find(const CharT*, size_type, size_type)): Optimize.
1501
1502 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
1503
1504         * testsuite/21_strings/basic_string/operations/find/char/6.cc: New.
1505         * testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New.
1506
1507         * testsuite/util/performance/priority_queue/mem_usage/pop_test.hpp:
1508         Include <cassert> header.
1509
1510         PR libstdc++/78968
1511         * crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*.
1512         * configure: Regenerate.
1513
1514 2017-01-06  Barrett Adair  <barrettellisadair@gmail.com>
1515             Jonathan Wakely  <jwakely@redhat.com>
1516
1517         * include/std/variant (variant, swap): Replace __and_ usage with fold
1518         expressions.
1519
1520 2017-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1521
1522         PR go/78978
1523         * acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Remove.
1524         * configure.ac: Call GCC_CHECK_ASSEMBLER_HWCAP instead of
1525         GLIBCXX_CHECK_ASSEMBLER_HWCAP.
1526         * fragment.am (CONFIG_CXXFLAGS): Use HWCAP_CFLAGS instead of
1527         HWCAP_FLAGS.
1528         * aclocal.m4: Regenerate.
1529         * configure: Regenerate.
1530         * Makefile.in, doc/Makefile.in, include/Makefile.in,
1531         libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in,
1532         src/Makefile.in, src/c++11/Makefile.in, src/c++98/Makefile.in,
1533         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
1534
1535 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
1536
1537         * include/bits/c++config (_GLIBCXX_ASSERTIONS): Avoid redefinition.
1538
1539         PR libstdc++/78991
1540         * include/bits/predefined_ops.h (_Iter_comp_iter, _Iter_comp_val)
1541         (_Val_comp_iter, _Iter_equals_val, _Iter_pred, _Iter_comp_to_val)
1542         (_Iter_comp_to_iter, _Iter_negate): Make constructors explicit and
1543         move function objects.
1544         (__iter_comp_iter, __iter_comp_val, __val_comp_iter, __pred_iter)
1545         (__iter_comp_val, __iter_comp_iter, __negate): Move function objects.
1546         * testsuite/25_algorithms/sort/78991.cc: New test.
1547
1548 2017-01-05  Jonathan Wakely  <jwakely@redhat.com>
1549
1550         * include/bits/std_function.h (function::_Signature_type): Remove.
1551         (function::function(_Functor)): Adjust.
1552
1553 2017-01-05  Tim Shen  <timshen@google.com>
1554
1555         PR libstdc++/78996
1556         * include/std/variant (__gen_vtable_impl): rename __unused to
1557         __dimensions to avoid naming conflict.
1558
1559 2017-01-04  Jonathan Wakely  <jwakely@redhat.com>
1560
1561         PR libstdc++/78968
1562         * config.h.in: Regenerate.
1563         * configure: Likewise.
1564         * configure.ac: Check for __cxa_thread_atexit.
1565         * libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]:
1566         Don't define __cxa_thread_atexit if libc provides it.
1567
1568 2017-01-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
1569
1570         Implement 2801, Default-constructibility of unique_ptr.
1571         * include/bits/unique_ptr.h (__uniq_ptr_impl::_DeleterConstraint): New.
1572         (unique_ptr::_DeleterConstraint): Likewise.
1573         (unique_ptr()): Constrain.
1574         (unique_ptr(pointer)): Likewise.
1575         (unique_ptr(nullptr_t)): Likewise.
1576         (unique_ptr<_Tp[], _Dp>::_DeleterConstraint): New.
1577         (unique_ptr<_Tp[], _Dp>::unique_ptr()): Constrain.
1578         (unique_ptr<_Tp[], _Dp>::unique_ptr(_Up)): Likewise.
1579         (unique_ptr<_Tp[], _Dp>::unique_ptr(nullptr_t)): Likewise.
1580         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust.
1581         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
1582         * testsuite/20_util/unique_ptr/cons/default.cc: New.
1583         * testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Adjust.
1584
1585 2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
1586             Jonathan Wakely  <jwakely@redhat.com>
1587
1588         PR libstdc++/64735
1589         * acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
1590         * config.h.in: Regenerate.
1591         * config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
1592         (GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
1593         exports for exception_ptr, nested_exception, and future conditional.
1594         [HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
1595         exports for exception_ptr, nested_exception, and future conditional.
1596         * configure: Regenerate.
1597         * configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
1598         * include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
1599         * libsupc++/eh_atomics.h: New file for internal use only.
1600         (__eh_atomic_inc, __eh_atomic_dec): New.
1601         * libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
1602         (exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
1603         (rethrow_exception): Use eh_atomics.h reference counting helpers.
1604         * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
1605         * libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
1606         * libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
1607         * libsupc++/exception_ptr.h: Likewise.
1608         * libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
1609         * libsupc++/nested_exception.cc: Remove check for
1610         ATOMIC_INT_LOCK_FREE.
1611         * libsupc++/nested_exception.h: Likewise.
1612         * src/c++11/future.cc: Likewise.
1613         * testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
1614         * testsuite/18_support/nested_exception/*: Likewise.
1615         * testsuite/30_threads/async/*: Likewise.
1616         * testsuite/30_threads/future/*: Likewise.
1617         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1618         * testsuite/30_threads/packaged_task/*: Likewise.
1619         * testsuite/30_threads/promise/*: Likewise.
1620         * testsuite/30_threads/shared_future/*: Likewise.
1621
1622 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
1623
1624         * doc/xml/manual/documentation_hacking.xml: sourceforge.net now
1625         defaults to https; adjust reference.
1626
1627 2017-01-03  Jonathan Wakely  <jwakely@redhat.com>
1628
1629         PR libstdc++/78956
1630         * include/std/thread (thread(const thread&&)): Add deleted
1631         constructor.
1632         * testsuite/30_threads/thread/cons/lwg2097.cc: New test.
1633
1634         * doc/xml/manual/spine.xml: Update copyright years.
1635         * doc/xml/manual/build_hacking.xml: Fix spelling of libbuilddir.
1636         * doc/xml/manual/test.xml: Likewise.
1637         * doc/html/*: Regenerate.
1638
1639 2017-01-01  Gerald Pfeifer  <gerald@pfeifer.com>
1640
1641         * doc/xml/faq.xml: Update address of C++ ABI link.
1642         * doc/xml/manual/abi.xml: Ditto.
1643
1644 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
1645
1646         Update copyright years.
1647 \f
1648 Copyright (C) 2017 Free Software Foundation, Inc.
1649
1650 Copying and distribution of this file, with or without modification,
1651 are permitted in any medium without royalty provided the copyright
1652 notice and this notice are preserved.