libstdc++-v3/ChangeLog

   1 2017-04-12  Gerald Pfeifer  <gerald@pfeifer.com>
   2
   3         * doc/xml/faq.xml: Update reference link to C++ ABI for Itanium.
   4         * doc/xml/manual/abi.xml. Ditto (thrice).
   5
   6 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
   7
   8         * doc/xml/manual/status_cxx2017.xml: Remove duplicate table entry.
   9         * doc/html/*: Regenerate.
  10
  11         * testsuite/20_util/reference_wrapper/invoke.cc: Uncomment tests
  12         that no longer fail.
  13
  14         * include/bits/ios_base.h: Correct comment.
  15         * testsuite/util/testsuite_hooks.h: Likewise.
  16
  17         * doc/xml/manual/status_cxx2017.xml: Update C++17 status table.
  18         * doc/xml/manual/appendix_contributing.xml (contrib.organization): Add
  19         directories for debug, parallel and profile headers.
  20         * doc/html/*: Regenerate.
  21
  22         * include/bits/char_traits.h (__gnu_cxx::char_traits): Add
  23         _GLIBCXX14_CONSTEXPR on assign, compare, find, and length.
  24         (std::char_traits<char>, std::char_traits<wchar_t>): Add
  25         _GLIBCXX17_CONSTEXPR on assign.
  26         (std::char_traits<char16_t>, std::char_traits<char32_t>): Add
  27         _GLIBCXX17_CONSTEXPR on assign, compare, find, and length.
  28         * testsuite/21_strings/char_traits/requirements/
  29         constexpr_functions_c++17.cc: New test.
  30
  31 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
  32
  33         PR libstdc++/79141
  34         * include/bits/stl_pair.h (__nonesuch_no_braces): New.
  35         (operator=(typename conditional<
  36         __and_<is_copy_assignable<_T1>,
  37         is_copy_assignable<_T2>>::value,
  38         const pair&, const __nonesuch&>::type)): Change __nonesuch
  39         to __nonesuch_no_braces.
  40         (operator=(typename conditional<
  41         __not_<__and_<is_copy_assignable<_T1>,
  42         is_copy_assignable<_T2>>>::value,
  43         const pair&, const __nonesuch&>::type)): Likewise.
  44         (operator=(typename conditional<
  45         __and_<is_move_assignable<_T1>,
  46         is_move_assignable<_T2>>::value,
  47         pair&&, __nonesuch&&>::type)): Likewise.
  48         * testsuite/20_util/pair/79141.cc: New.
  49
  50 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
  51
  52         Implement std::is_aggregate.
  53         * include/std/type_traits (is_aggregate, is_aggregate_v): New.
  54         * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
  55         New.
  56         * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
  57         * testsuite/20_util/is_aggregate/value.cc: Likewise.
  58
  59 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
  60
  61         Adjust optional's pretty printer for LWG 2900.
  62         * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter.__init__):
  63         Look at the nested payload in case of non-experimental optional.
  64
  65 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
  66
  67         Implement LWG 2900, The copy and move constructors
  68         of optional are not constexpr.
  69         * include/std/optional (_Optional_payload): New.
  70         (_Optional_base): Remove the bool parameter.
  71         (_Optional_base<_Tp, false>): Remove.
  72         (_Optional_base()): Adjust.
  73         (_Optional_base(nullopt_t)): Likewise.
  74         (_Optional_base(in_place_t, _Args&&...)): Likewise.
  75         (_Optional_base(in_place_t, initializer_list<_Up>, _Args&&...)):
  76         Likewise.
  77         (_Optional_base(const _Optional_base&)): Likewise.
  78         (_Optional_base(_Optional_base&&)): Likewise.
  79         (operator=(const _Optional_base&)): Likewise.
  80         (operator=(_Optional_base&&)): Likewise.
  81         (~_Optional_base()): Remove.
  82         (_M_is_engaged()): Adjust.
  83         (_M_get()): Likewise.
  84         (_M_construct(_Args&&...)): Likewise.
  85         (_M_destruct()): Likewise.
  86         (_M_reset()): Likewise.
  87         (_Optional_base::_Empty_byte): Remove.
  88         (_Optional_base::_M_empty): Remove.
  89         (_Optional_base::_M_payload): Adjust.
  90         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
  91         * testsuite/20_util/optional/constexpr/cons/value.cc: Add tests.
  92
  93 2017-03-28  Jonathan Wakely  <jwakely@redhat.com>
  94
  95         PR libstdc++/80137
  96         * include/bits/random.tcc (generate_canonical): Use std::nextafter
  97         or numeric_limits::epsilon() to reduce out-of-range values.
  98         * testsuite/26_numerics/random/uniform_real_distribution/operators/
  99         64351.cc: Verify complexity requirement is met.
 100
 101         * doc/xml/manual/abi.xml: Add xml:id anchor.
 102         * doc/xml/manual/using.xml (manual.intro.using.macros): Document
 103         _GLIBCXX_RELEASE. Link to new anchor for __GLIBCXX__ notes.
 104         (concurrency.io.structure): Add markup.
 105         * doc/html/*: Regenerate.
 106
 107         PR libstdc++/80229
 108         * include/bits/shared_ptr_base.h
 109         (__shared_ptr::_M_enable_shared_from_this_with): Change parameters to
 110         non-const and then use remove_cv to get unqualified type.
 111         * testsuite/20_util/enable_shared_from_this/members/const.cc: Don't
 112         cast away constness on object created const.
 113         * testsuite/20_util/shared_ptr/cons/80229.cc: New test.
 114
 115 2017-03-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
 116
 117         PR libstdc++/80183
 118         * include/bits/stl_tree.h:
 119         (_Rb_tree_header::_M_move_data(_Rb_tree_header&)): Also save _M_color.
 120
 121 2017-03-23  Jonathan Wakely  <jwakely@redhat.com>
 122
 123         * testsuite/23_containers/array/tuple_interface/
 124         tuple_element_debug_neg.cc: Adjust dg-error.
 125         * testsuite/23_containers/list/operations/78389.cc: Fix less-than to
 126         define a valid strict weak ordering.
 127         * testsuite/23_containers/priority_queue/67085.cc: Disable test for
 128         Debug Mode, due to debug checks making extra copies of predicate.
 129         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
 130         Likewise.
 131
 132         * doc/xml/faq.xml: Add link.
 133         * doc/xml/manual/backwards_compatibility.xml: Remove outdated
 134         information on pre-ISO headers. Replace broken link to C++ FAQ Lite.
 135         * doc/xml/manual/io.xml: Update broken link.
 136         * doc/html/*: Regenerate.
 137
 138 2017-03-23  Daniel Kruegler  <daniel.kruegler@gmail.com>
 139
 140         Implement LWG 2686, Why is std::hash specialized for error_code,
 141         but not error_condition?
 142         * include/std/system_error (hash<error_condition>): Define for C++17.
 143         * testsuite/20_util/hash/operators/size_t.cc (hash<error_condition>):
 144         Instantiate test for error_condition.
 145         * testsuite/20_util/hash/requirements/explicit_instantiation.cc
 146         (hash<error_condition>): Instantiate hash<error_condition>.
 147
 148         * include/bits/c++config (_GLIBCXX17_INLINE): Define.
 149         * include/bits/regex_constants.h (All std::regex_constants constants):
 150         Add _GLIBCXX17_INLINE as per P0607R0.
 151         * include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock):
 152         Likewise.
 153         * include/bits/stl_pair.h (piecewise_construct): Likewise.
 154         * include/bits/uses_allocator.h (allocator_arg, uses_allocator_v)
 155         (__is_uses_allocator_constructible_v)
 156         (__is_nothrow_uses_allocator_constructible_v): Likewise.
 157         * include/std/chrono (treat_as_floating_point_v): Likewise.
 158         * include/std/functional (is_bind_expression_v, is_placeholder_v):
 159         Likewise.
 160         * include/std/optional (nullopt): Likewise.
 161         * include/std/ratio (ratio_equal_v, ratio_not_equal_v, ratio_less_v)
 162         ratio_less_equal_v, ratio_greater_v, ratio_greater_equal_v): Likewise.
 163         * include/std/system_error (is_error_code_enum_v)
 164         (is_error_condition_enum_v): Likewise.
 165         * include/std/tuple (tuple_size_v, ignore): Likewise.
 166         (ignore): Declare ignore constexpr as per LWG 2773, declare assignment
 167         constexpr as per LWG 2933.
 168         * include/std/type_traits (All variable templates): Add
 169         _GLIBCXX17_INLINE as per P0607R0.
 170         * include/std/variant (variant_size_v, variant_npos, __index_of_v)
 171         (__tuple_count_v, __exactly_once): Likewise.
 172         * testsuite/18_support/headers/new/synopsis.cc
 173         (hardware_destructive_interference_size)
 174         (hardware_constructive_interference_size): Likewise for commented-out
 175         variables.
 176         * testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new
 177         test function for constexpr std::ignore (LWG 2773).
 178         * testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New
 179         test for LWG 2933.
 180
 181 2017-03-22  Jonathan Wakely  <jwakely@redhat.com>
 182
 183         * include/bits/shared_ptr.h (shared_ptr, weak_ptr): Add deduction
 184         guides for C++17.
 185         * include/bits/std_function.h (function): Likewise.
 186         * include/bits/stl_pair.h (pair): Likewise.
 187         * include/debug/array (__gnu_debug::array): Likewise.
 188         * include/std/array (array): Likewise.
 189         * include/std/functional (make_default_searcher)
 190         (make_boyer_moore_searcher, make_boyer_moore_horspool_searcher):
 191         Remove generator functions.
 192         * include/std/tuple (tuple): Add deduction guides.
 193         * include/std/valarray (valarray): Likewise.
 194         * testsuite/20_util/function_objects/searchers.cc: Adjust to use
 195         class template argument deduction instead of generator functions.
 196         * testsuite/20_util/function/cons/deduction.cc: New test.
 197         * testsuite/20_util/optional/cons/deduction_guide.cc: Rename to ...
 198         * testsuite/20_util/optional/cons/deduction.cc: ... here.
 199         * testsuite/20_util/pair/cons/deduction.cc: New test.
 200         * testsuite/20_util/shared_ptr/cons/deduction.cc: New test.
 201         * testsuite/20_util/tuple/cons/deduction.cc: New test.
 202         * testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error.
 203         * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: New test.
 204         * testsuite/20_util/weak_ptr/cons/deduction.cc: New test.
 205         * testsuite/23_containers/array/cons/deduction.cc: New test.
 206         * testsuite/23_containers/array/cons/deduction_neg.cc: New test.
 207         * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
 208         Adjust dg-error.
 209         * testsuite/23_containers/array/tuple_interface/get_neg.cc: Likewise.
 210         * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
 211         Likewise.
 212         * testsuite/26_numerics/valarray/deduction.cc: New test.
 213         * testsuite/30_threads/lock_guard/cons/deduction.cc: New test.
 214         * testsuite/30_threads/scoped_lock/cons/deduction.cc: New test.
 215         * testsuite/30_threads/unique_lock/cons/deduction.cc: New test.
 216
 217 2017-03-20  François Dumont  <fdumont@gcc.gnu.org>
 218
 219         * include/bits/stl_deque.h (deque): Access allocator value_type only if
 220         concept checks are enabled.
 221         * include/bits/stl_stack.h (stack): Likewise.
 222         * include/bits/stl_vector.h (vector): Likewise.
 223         * include/bits/stl_list.h (list): Likewise and check
 224         _SGIAssignableConcept only in C++03.
 225         * include/bits/stl_map.h (map): Likewise.
 226         * include/bits/stl_set.h (set): Likewise.
 227         * include/bits/stl_multimap.h (multimap): Likewise.
 228         * include/bits/stl_multiset.h (multiset): Likewise.
 229         * include/bits/stl_queue.h (queue, priority_queue): Likewise.
 230
 231 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
 232
 233         * doc/xml/manual/appendix_contributing.xml: Convert link to
 234         ansi.org to https.
 235         Update link to the C++ standard at ansi.org.
 236
 237         * doc/xml/faq.xml: Remove information redundant with the above;
 238         instead add a reference.
 239
 240 2017-03-17  Jonathan Wakely  <jwakely@redhat.com>
 241
 242         * src/c++11/codecvt.cc (range): Add non-type template parameter and
 243         define oerloaded operators for reading and writing code units.
 244         (range<Elem, false>): Define partial specialization for accessing
 245         wide characters in potentially unaligned byte ranges.
 246         (ucs2_span(const char16_t*, const char16_t*, ...))
 247         (ucs4_span(const char16_t*, const char16_t*, ...)): Change parameters
 248         to range<const char16_t, false> in order to avoid unaligned reads.
 249         (__codecvt_utf16_base<char16_t>::do_out)
 250         (__codecvt_utf16_base<char32_t>::do_out)
 251         (__codecvt_utf16_base<wchar_t>::do_out): Use range specialization for
 252         unaligned data to avoid unaligned writes.
 253         (__codecvt_utf16_base<char16_t>::do_in)
 254         (__codecvt_utf16_base<char32_t>::do_in)
 255         (__codecvt_utf16_base<wchar_t>::do_in): Likewise for writes. Return
 256         error if there are unprocessable trailing bytes.
 257         (__codecvt_utf16_base<char16_t>::do_length)
 258         (__codecvt_utf16_base<char32_t>::do_length)
 259         (__codecvt_utf16_base<wchar_t>::do_length): Pass arguments of type
 260         range<const char16_t, false> to span functions.
 261         * testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test.
 262
 263 2017-03-16  Jonathan Wakely  <jwakely@redhat.com>
 264
 265         PR libstdc++/79980
 266         * src/c++11/codecvt.cc (to_integer(codecvt_mode)): Fix target type.
 267
 268         PR libstdc++/80041
 269         * src/c++11/codecvt.cc (__codecvt_utf16_base<wchar_t>::do_out)
 270         (__codecvt_utf16_base<wchar_t>::do_in): Convert char arguments to
 271         char16_t to work with UTF-16 instead of UTF-8.
 272         * testsuite/22_locale/codecvt/codecvt_utf16/80041.cc: New test.
 273
 274         * src/c++11/codecvt.cc (codecvt<char16_t, char, mbstate_t>)
 275         (codecvt<char32_t, char, mbstate_t>, __codecvt_utf8_base<char16_t>)
 276         (__codecvt_utf8_base<char32_t>, __codecvt_utf8_base<wchar_t>)
 277         (__codecvt_utf16_base<char16_t>, __codecvt_utf16_base<char32_t>)
 278         (__codecvt_utf16_base<wchar_t>, __codecvt_utf8_utf16_base<char16_t>)
 279         (__codecvt_utf8_utf16_base<char32_t>)
 280         (__codecvt_utf8_utf16_base<wchar_t>): Fix do_encoding() and
 281         do_max_length() return values.
 282         * testsuite/22_locale/codecvt/codecvt_utf16/members.cc: New test.
 283         * testsuite/22_locale/codecvt/codecvt_utf8/members.cc: New test.
 284         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/members.cc: New test.
 285
 286         PR libstdc++/79980
 287         * include/bits/locale_conv.h (__do_str_codecvt): Set __count on
 288         error path.
 289         * src/c++11/codecvt.cc (operator&=, operator|=, operator~): Overloads
 290         for manipulating codecvt_mode values.
 291         (read_utf16_bom): Compare input to BOM constants instead of integral
 292         constants that depend on endianness.  Take mode parameter by
 293         reference and adjust it, to distinguish between no BOM present and
 294         UTF-16BE BOM present.
 295         (ucs4_in, ucs2_span, ucs4_span): Adjust calls to read_utf16_bom.
 296         (surrogates): New enumeration type.
 297         (utf16_in, utf16_out): Add surrogates parameter to choose between
 298         UTF-16 and UCS2 behaviour.
 299         (utf16_span, ucs2_span): Use std::min not std::max.
 300         (ucs2_out): Use std::min not std::max.  Disallow surrogate pairs.
 301         (ucs2_in): Likewise. Adjust calls to read_utf16_bom.
 302         * testsuite/22_locale/codecvt/codecvt_utf16/79980.cc: New test.
 303         * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: New test.
 304
 305         PR libstdc++/79511
 306         * src/c++11/codecvt.cc (write_utf16_code_point): Don't write 0xffff
 307         as a surrogate pair.
 308         (__codecvt_utf8_utf16_base<char32_t>::do_in): Use native endianness
 309         for internal representation.
 310         (__codecvt_utf8_utf16_base<wchar_t>::do_in): Likewise.
 311         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc: New test.
 312
 313         PR libstdc++/80064
 314         * include/bits/stl_heap.h (__is_heap, push_heap, __adjust_heap)
 315         (pop_heap, make_heap, sort_heap, is_heap_until, is_heap): Cope with
 316         invalid instantiations using function types for _Compare argument.
 317         * testsuite/25_algorithms/make_heap/80064.cc: New test.
 318
 319         PR libstdc++/67440
 320         * python/libstdcxx/v6/printers.py (find_type): Avoid gdb.Type.name
 321         for GDB 7.6 compatibility, use gdb.Type.unqualified instead.
 322
 323 2017-03-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
 324
 325         Implement LWG 2857, {variant,optional,any}::emplace should
 326         return the constructed value.
 327         * include/std/any (emplace(_Args&&...)): Change the return type and
 328         return a reference to the constructed value.
 329         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
 330         * include/std/optional (emplace(_Args&&...)): Likewise.
 331         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
 332         * include/std/variant (emplace<_Tp>(_Args&&...)): Likewise.
 333         (emplace<_Tp>(initializer_list<_Up>, _Args&&...)): Likewise.
 334         (emplace<_Np>(_Args&&...)): Likewise.
 335         (emplace<_Np>(initializer_list<_Up>, _Args&&...)): Likewise.
 336         * testsuite/20_util/any/assign/emplace.cc: Add tests for
 337         checking the return value of emplace.
 338         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
 339         * testsuite/20_util/optional/assignment/6.cc: Add tests for
 340         checking the return value of emplace.
 341         * testsuite/20_util/variant/run.cc: Likewise.
 342
 343 2017-03-15  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
 344
 345         PR libstdc++/62045
 346         * include/ext/pb_ds/qdetail/binary_heap_/binary_heap_.hpp
 347         (is_heap): Remove.
 348         (push_heap): Remove the wrong checking using is_heap.
 349         (make_heap): Remove the assertion using is_heap.
 350         * include/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp
 351         (modify): Ditto.
 352         (resize_for_insert_if_needed): Add PB_DS_ASSERT_VALID after
 353         calling make_heap.
 354
 355 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
 356
 357         PR libstdc++/62045
 358         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
 359         New test.
 360         * testsuite/ext/pb_ds/regression/priority_queues.cc: Fix copy&paste
 361         error in comment.
 362
 363 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
 364
 365         * acinclude.m4 (GLIBCXX_CHECK_S_ISREG_OR_S_IFREG): Fix typo in
 366         comment.
 367         * config.h.in: Regenerate.
 368         * configure: Regenerate.
 369         * doc/Makefile.in: Regenerate.
 370
 371 2017-03-14  Jonathan Wakely  <jwakely@redhat.com>
 372
 373         PR libstdc++/79162
 374         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 375         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Replace
 376         with a constrained template.
 377         [!_GLIBCXX_USE_CXX11_ABI]
 378         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Likewise.
 379         * testsuite/21_strings/basic_string/cons/char/79162.cc: New test.
 380         * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: New test.
 381
 382 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 383
 384         PR libstdc++/80034
 385         * include/bits/list.tcc (merge(list&&)): Use const for the size_t
 386         in the catch-block.
 387         (merge(list&&, _StrictWeakOrdering)): Likewise.
 388         * testsuite/23_containers/list/operations/80034.cc: New.
 389
 390 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 391
 392         Implement LWG 2806, Base class of bad_optional_access.
 393         * include/std/optional (bad_optional_access):
 394         Derive from std::exception.
 395         (bad_optional_access::bad_optional_access): Adjust.
 396         (bad_optional_access::what): New.
 397         (__throw_bad_optional_access(const char*)):
 398         Remove the parameter and adjust calls.
 399         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
 400         * testsuite/20_util/optional/typedefs.cc: Likewise.
 401
 402 2017-03-12  Ville Voutilainen  <ville.voutilainen@gmail.com>
 403
 404         Implement LWG 2934, optional<const T> doesn't compare with T.
 405         * include/std/optional
 406         (operator==(const optional<_Tp>&, const optional<_Tp>&)):
 407         Turn into operator==(const optional<_Tp>&, const optional<_Up>&).
 408         (operator!=(const optional<_Tp>&, const optional<_Tp>&)):
 409         Turn into operator!=(const optional<_Tp>&, const optional<_Up>&).
 410         (operator<(const optional<_Tp>&, const optional<_Tp>&)):
 411         Turn into operator<(const optional<_Tp>&, const optional<_Up>&.
 412         (operator>(const optional<_Tp>&, const optional<_Tp>&)):
 413         Turn into operator>(const optional<_Tp>&, const optional<_Up>&.
 414         (operator<=(const optional<_Tp>&, const optional<_Tp>&)):
 415         Turn into operator<=(const optional<_Tp>&, const optional<_Up>&).
 416         (operator>=(const optional<_Tp>&, const optional<_Tp>&)):
 417         Turn into operator>=(const optional<_Tp>&, const optional<_Up>&).
 418         (operator==(const optional<_Tp>&, const _Tp&)):
 419         Turn into operator==(const optional<_Tp>&, const _Up&).
 420         (operator==(const _Tp&, const optional<_Tp>&)):
 421         Turn into operator==(const _Up&, const optional<_Tp>&).
 422         (operator!=(const optional<_Tp>&, const _Tp&)):
 423         Turn into operator!=(const optional<_Tp>&, const _Up&).
 424         (operator!=(const _Tp&, const optional<_Tp>&)):
 425         Turn into operator!=(const _Up&, const optional<_Tp>&).
 426         (operator<(const optional<_Tp>&, const _Tp&)):
 427         Turn into operator<(const optional<_Tp>&, const _Up&).
 428         (operator<(const _Tp&, const optional<_Tp>&)):
 429         Turn into operator<(const _Up&, const optional<_Tp>&).
 430         (operator>(const optional<_Tp>&, const _Tp&)):
 431         Turn into operator>(const optional<_Tp>&, const _Up&).
 432         (operator>(const _Tp&, const optional<_Tp>&)):
 433         Turn into operator>(const _Up&, const optional<_Tp>&).
 434         (operator<=(const optional<_Tp>&, const _Tp&)):
 435         Turn into operator<=(const optional<_Tp>&, const _Up&).
 436         (operator<=(const _Tp&, const optional<_Tp>&)):
 437         Turn into operator<=(const _Up&, const optional<_Tp>&).
 438         (operator>=(const optional<_Tp>&, const _Tp&)):
 439         Turn into operator>=(const optional<_Tp>&, const _Up&).
 440         (operator>=(const _Tp&, const optional<_Tp>&)):
 441         Turn into operator>=(const _Up&, const optional<_Tp>&).
 442         * testsuite/20_util/optional/relops/7.cc: New.
 443
 444 2017-03-10  Jonathan Wakely  <jwakely@redhat.com>
 445
 446         * testsuite/17_intro/names.cc: Undefine macros that clash with
 447         identifiers in AIX system headers.
 448
 449         * include/bits/invoke.h (__invoke): Use __invoke_result instead of
 450         result_of, and __is_nothrow_invocable instead of
 451         __is_nothrow_callable.
 452         * include/bits/shared_ptr_base.h (__shared_ptr): Use __is_invocable
 453         instead of __is_callable.
 454         * include/std/functional (invoke): use invoke_result_t instead of
 455         result_of_t and is_nothrow_invocable instead of is_nothrow_callable.
 456         (_Not_fn): Use __invoke_result instead of result_of.
 457         * include/std/type_traits (__result_of_memobj, __result_of_memfun):
 458         Remove partial specializations for reference_wrapper types.
 459         (__result_of_impl): Use __inv_unwrap to strip reference_wrapper.
 460         (__invoke_result): Define replacement for result_of and then use it to
 461         define result_of.
 462         (__is_callable_impl, __is_callable, __is_nothrow_callable): Replace
 463         with __is_invocable_impl, __is_invocable, and __is_nothrow_invocable
 464         respectively.
 465         (invoke_result, invoke_result_t): Define for C++17.
 466         (is_callable, is_nothrow_callable): Replace with is_invocable,
 467         is_invocable_r, is_nothrow_invocable, and is_nothrow_invocable_r.
 468         (is_callable_v, is_nothrow_callable_v): Replace with is_invocable_v,
 469         is_invocable_r_v, is_nothrow_invocable_v, and is_nothrow_invocable_r_v.
 470         * include/std/variant (hash<variant<T...>>): Use is_nothrow_invocable_v
 471         instead of is_nothrow_callable_v.
 472         * testsuite/20_util/function_objects/invoke/59768.cc: Remove unused
 473         main function.
 474         * testsuite/20_util/function_objects/not_fn/1.cc: Use is_invocable
 475         instead of is_callable.
 476         * testsuite/20_util/is_callable/*: Rename directory and adjust tests
 477         to use new traits.
 478         * testsuite/20_util/is_nothrow_callable/*: Likewise.
 479         * testsuite/20_util/optional/hash.cc: Use is_invocable_v instead of
 480         is_callable.
 481         * testsuite/20_util/variant/hash.cc: Likewise.
 482
 483 2017-03-10  George Lander  <george.lander@arm.com>
 484
 485         * acinclude.m4 (glibcxx_cv_obsolete_isnan): Define
 486         _GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h.
 487         * configure: Regenerate.
 488
 489 2017-03-09  Jonathan Wakely  <jwakely@redhat.com>
 490
 491         * include/std/functional (_Not_fn): Define macro to simplify
 492         repetitive function definitions.
 493
 494         * doc/xml/manual/status_cxx2017.xml: Document std::byte support.
 495         * include/c_global/cstddef (std::byte): Define for C++17.
 496         * testsuite/18_support/byte/global_neg.cc: New test.
 497         * testsuite/18_support/byte/ops.cc: New test.
 498         * testsuite/18_support/byte/requirements.cc: New test.
 499
 500 2017-03-05  Jonathan Wakely  <jwakely@redhat.com>
 501
 502         * doc/xml/manual/status_cxx2017.xml: Document P0156R2 status.
 503         * doc/html/*: Regenerate.
 504         * include/std/mutex (scoped_lock): Implement new C++17 template.
 505         * testsuite/30_threads/scoped_lock/cons/1.cc: New test.
 506         * testsuite/30_threads/scoped_lock/requirements/
 507         explicit_instantiation.cc: New test.
 508         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: New test.
 509
 510 2017-03-02  Gerald Pfeifer  <gerald@pfeifer.com>
 511             François Dumont  <frs.dumont@gmail.com>
 512             Jonathan Wakely  <jwakely@redhat.com>
 513
 514         * doc/xml/manual/debug_mode.xml: Update and simplify note
 515         on link- and run-time coexistence.
 516
 517 2017-03-02  Jonathan Wakely  <jwakely@redhat.com>
 518
 519         * testsuite/17_intro/headers/names.cc: Rename to ...
 520         * testsuite/17_intro/names.cc: ... here.
 521
 522         PR libstdc++/79789
 523         * include/bits/hashtable_policy.h (__clp2): Use reserved names for
 524         parameters and local variables.
 525         * include/bits/ios_base.h (make_error_code, make_error_condition):
 526         Likewise.
 527         * include/bits/list.tcc (list::sort): Likewise.
 528         * include/bits/mask_array.h (mask_array): Likewise.
 529         * include/bits/regex.h (regex_token_iterator): Likewise.
 530         * include/bits/slice_array.h (slice_array): Likewise.
 531         * include/bits/stl_algo.h (__sample): Likewise.
 532         * include/std/memory (undeclare_no_pointers): Likewise.
 533         * include/std/type_traits (is_callable_v, is_nothrow_callable_v):
 534         Likewise.
 535         * libsupc++/exception_ptr.h (__dest_thunk): Likewise.
 536         * testsuite/17_intro/headers/names.cc: New test.
 537
 538         PR libstdc++/79798
 539         * include/std/functional (bind::_Res_type_impl): Fix incorrect use of
 540         result_of that loses top-level cv-qualifiers.
 541         * testsuite/20_util/bind/79798.cc: New test.
 542
 543 2017-03-01  Gerald Pfeifer  <gerald@pfeifer.com>
 544
 545         * doc/xml/manual/documentation_hacking.xml: Tweak link to
 546         doxygen.org.
 547
 548 2017-02-23  Jonathan Wakely  <jwakely@redhat.com>
 549
 550         * include/experimental/iterator: Include <iterator>.
 551         * testsuite/experimental/iterator/requirements.cc: Check for contents
 552         of <iterator>.
 553
 554 2017-02-19  Dinka Ranns  <dinka.ranns@googlemail.com>
 555
 556         C++17 GB50 resolution
 557         * include/std/chrono (duration::operator++()): Add
 558         _GLIBCXX17_CONSTEXPR.
 559         (duration::operator++(int)): Likewise.
 560         (duration::operator--()): Likewise.
 561         (duration::operator--(int)): Likewise.
 562         (duration::operator+=(const duration&)): Likewise.
 563         (duration::operator-=(const duration&)): Likewise.
 564         (duration::operator*=(const rep&)): Likewise.
 565         (duration::operator/=(const rep&)): Likewise.
 566         (duration::operator%=(const rep&)): Likewise.
 567         (duration::operator%=(const duration&)): Likewise.
 568         (time_point::operator+=(const duration&)): Likewise.
 569         (time_point::operator-=(const duration&)): Likewise.
 570         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: New test.
 571         * testsuite/20_util/duration/literals/range.cc: Adjust dg-error.
 572         * testsuite/20_util/time_point/arithmetic/constexpr.cc: New test.
 573
 574 2017-02-19  Gerald Pfeifer  <gerald@pfeifer.com>
 575
 576         * doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer.
 577
 578 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
 579
 580         * doc/xml/manual/io.xml: Update link to groups.google.com.
 581         Tweak link description.
 582
 583 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
 584
 585         * doc/xml/manual/profile_mode.xml: Fix link.
 586
 587 2017-02-16  Gerald Pfeifer  <gerald@pfeifer.com>
 588
 589         * doc/xml/manual/policy_data_structures.xml: Simplify and
 590         standardize references to boost.org.
 591         * doc/xml/manual/policy_data_structures_biblio.xml: Ditto.
 592         * doc/xml/manual/shared_ptr.xml: Ditto.
 593
 594 2017-02-16  Jonathan Wakely  <jwakely@redhat.com>
 595
 596         PR libstdc++/60936
 597         * src/c++11/snprintf_lite.cc (__concat_size_t): Calculate length
 598         written to buffer, not length remaining in buffer.
 599
 600 2017-02-15  Tim Shen  <timshen@google.com>
 601
 602         PR libstdc++/78723
 603         * include/std/variant (operator<(), operator>(), operator<=(),
 604         operator>=(), operator==(), operator!=()): Implement P0393R3.
 605         * testsuite/20_util/variant/compile.cc: Adjust tests.
 606         * testsuite/20_util/variant/run.cc: Adjust tests.
 607
 608 2017-02-15  Tim Shen  <timshen@google.com>
 609
 610         PR libstdc++/79513
 611         * include/std/variant (visit()): Forward variant types to the return
 612         type detection code.
 613         * testsuite/20_util/variant/compile.cc: Add test cases.
 614
 615 2017-02-13  H.J. Lu  <hongjiu.lu@intel.com>
 616
 617         PR libstdc++/79348
 618         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
 619
 620 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
 621
 622         PR libstdc++/79348
 623         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
 624         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Likewise.
 625         * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Likewise.
 626         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Likewise.
 627         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Likewise.
 628         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Likewise.
 629         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Likewise.
 630         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Likewise.
 631         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Likewise.
 632
 633 2017-02-13  Jonathan Wakely  <jwakely@redhat.com>
 634
 635         PR libstdc++/79486
 636         * include/std/future (__future_base::_Task_state::_M_run)
 637         (__future_base::_Task_state::_M_run_delayed): Use lvalue types in
 638         result_of expressions.
 639         * testsuite/30_threads/packaged_task/79486.cc: New.
 640
 641 2017-02-11  Jonathan Wakely  <jwakely@redhat.com>
 642
 643         PR libstdc++/79467
 644         * include/bits/shared_ptr_base.h (__shared_ptr(_Yp*, _Deleter))
 645         (__shared_ptr(_Yp*, _Deleter, _Alloc)): Use lvalue types in
 646         __is_callable check.
 647         * testsuite/20_util/shared_ptr/cons/79467.cc: New.
 648
 649         * include/bits/atomic_base.h: Re-indent.
 650
 651 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
 652
 653         * doc/xml/manual/profile_mode.xml: Update a paper reference.
 654
 655 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 656
 657         * src/c++11/snprintf_lite.cc (__err): Use https for bug reporting.
 658
 659 2017-02-08  Jonathan Wakely  <jwakely@redhat.com>
 660
 661         * doc/xml/manual/policy_data_structures.xml: Fix spelling of author's
 662         name.
 663         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise. Remove
 664         broken links to texts that are no longer online.
 665         * doc/xml/manual/profile_mode.xml: Update links to CGO 2009 paper and
 666         LCPC 2006 paper.
 667         * doc/xml/manual/using.xml: Update links to memory model information.
 668         * doc/xml/manual/using_exceptions.xml: Update link to "Appendix E:
 669         Standard-Library Exception Safety".
 670         * doc/html/*: Regenerate.
 671
 672 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 673
 674         * doc/xml/manual/profile_mode.xml: Unbreak link to
 675         "Optimizing Sorting with Machine Learning Algorithms".
 676
 677 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 678
 679         * src/c++11/snprintf_lite.cc (__err): Update bug reporting URL.
 680
 681 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 682
 683         * doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++
 684         Migration Guide".
 685
 686 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
 687
 688         * doc/html/ext/lwg-active.html: Remove.
 689         * doc/html/ext/lwg-closed.html: Ditto.
 690         * doc/html/ext/lwg-defects.html: Ditto.
 691
 692         * doc/Makefile.am (xml_extradir): Remove.
 693         (xml_extra): Ditto.
 694         (stamp-html-docbook-lwg): Remove recipe...
 695         (stamp-html-docbook-data): ...and its use here.
 696         * doc/Makefile.in: Regenerate.
 697
 698         * doc/xml/manual/intro.xml: Shorten two paragraphs explaining
 699         the relationship to the upstream working group.
 700         Replace a local link to ../ext/lwg-active.html by the upstream one.
 701         Replace all reference to ../ext/lwg-defects.html by a new entity
 702         &DR; which refers to the upstream address.
 703
 704 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
 705
 706         * doc/xml/manual/status_cxx2017.xml: Fix link to N4284.
 707
 708 2017-02-06  Jonathan Wakely  <jwakely@redhat.com>
 709
 710         PR libstdc++/79323
 711         * testsuite/20_util/duration/literals/range.cc: Prune extra output
 712         at -O0.
 713
 714 2017-02-06  Gerald Pfeifer  <gerald@pfeifer.com>
 715
 716         * doc/xml/manual/documentation_hacking.xml: Update URL of the
 717         DocBook Element Reference.  Use that term as link description
 718         instead of "online".
 719         epubcheck has moved to GitHub.
 720         Remove obsolete link to DocBook Publishing Tools.
 721
 722 2017-02-03  Jonathan Wakely  <jwakely@redhat.com>
 723
 724         PR libstdc++/66145
 725         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Restore ABI override
 726         so new ios::failure can be caught even when old ABI is the default.
 727         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
 728         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
 729         exceptions_failbit.cc: Likewise.
 730         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
 731         exceptions_failbit.cc: Likewise.
 732         * testsuite/27_io/basic_istream/extractors_other/char/
 733         exceptions_null.cc: Likewise.
 734         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
 735         exceptions_null.cc: Likewise.
 736         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
 737         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
 738         * testsuite/27_io/basic_ostream/inserters_other/char/
 739         exceptions_null.cc: Likewise.
 740         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
 741         exceptions_null.cc: Likewise.
 742         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
 743
 744         PR libstdc++/60936
 745         * src/c++11/Makefile.am: Add new files.
 746         * src/c++11/Makefile.in: Regenerate.
 747         * src/c++11/cow-string-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
 748         (operator<<, operator>>, getline): Move explicit instantiations to ...
 749         * src/c++11/cow-string-io-inst.cc: ... new file.
 750         * src/c++11/cow-wstring-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
 751         (operator<<, operator>>, getline): Move explicit instantiations to ...
 752         * src/c++11/cow-wstring-io-inst.cc: ... new file.
 753         * src/c++11/functexcept.cc (__throw_ios_failure, __throw_system_error)
 754         (__throw_future_error, __throw_bad_function_call):
 755         (__throw_regex_error): Move functions for C++11 exceptions to the
 756         files that define the exception types.
 757         * src/c++11/functional.cc (__throw_bad_function_call): Move here.
 758         * src/c++11/future.cc (__throw_future_error): Likewise.
 759         * src/c++11/ios.cc (__throw_ios_failure): Likewise.
 760         * src/c++11/regex.cc (__throw_regex_error): Likewise.
 761         * src/c++11/snprintf_lite.cc (__concat_size_t): Print decimal
 762         representation directly instead of calling __int_to_char.
 763         * src/c++11/sso_string.cc (__sso_string): New file for definition
 764         of __sso_string type.
 765         * src/c++11/string-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
 766         explicit instantiations of narrow string I/O functions.
 767         * src/c++11/system_error.cc (__throw_system_error): Move here.
 768         (__sso_string): Move to new file.
 769         * src/c++11/wstring-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
 770         explicit instantiations of wide string I/O functions.
 771         * src/c++98/misc-inst.cc [_GLIBCXX_USE_CXX11_ABI] (operator<<)
 772         (operator>>, getline): Remove explicit instantiations from here.
 773
 774 2017-02-02  H.J. Lu  <hongjiu.lu@intel.com>
 775
 776         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
 777
 778 2017-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 779
 780         * configure.host: Separate Solaris/SPARC and x86 baselines.
 781         * config/abi/post/solaris2.10/baseline_symbols.txt: Move ...
 782         * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: ... here.
 783         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Move ...
 784         * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
 785         ... here.
 786         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Move ...
 787         * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: ... here.
 788         * config/abi/post/i386-solaris2.10/baseline_symbols.txt: New file.
 789         * config/abi/post/solaris2.11/baseline_symbols.txt: Move ...
 790         * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: ... here.
 791         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Move ...
 792         * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
 793         ... here.
 794         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Move ...
 795         * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: ... here.
 796         * config/abi/post/i386-solaris2.11/baseline_symbols.txt: New file.
 797
 798         * config/abi/post/solaris2.10/baseline_symbols.txt: Regenerate.
 799         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
 800         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.
 801         * config/abi/post/solaris2.11/baseline_symbols.txt: Likewise.
 802         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Likewise.
 803         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Likewise.
 804
 805 2017-02-01  Jonathan Wakely  <jwakely@redhat.com>
 806
 807         PR libstdc++/78346
 808         * include/bits/predefined_ops.h (_Iter_equals_iter): Store iterator
 809         not its referent.
 810         (_Iter_comp_to_iter): Likewise.
 811         * testsuite/25_algorithms/search/78346.cc: New test.
 812
 813         PR libstdc++/79254
 814         * config/abi/pre/gnu.ver: Remove recently added symbols.
 815         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 816         (basic_string::_M_copy_assign): Remove.
 817         (basic_string::operator=(const basic_string&)): Don't dispatch to
 818         _M_copy_assign. If source object is small just deallocate, otherwise
 819         perform new allocation before making any changes.
 820         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
 821         (basic_string::_M_copy_assign(const basic_string&, true_type)):
 822         Remove.
 823         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
 824         Test cases where the allocators are equal or the string is small.
 825         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
 826         Likewise.
 827
 828 2017-01-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
 829
 830         Implement LWG 2825, LWG 2756 breaks class template argument
 831         deduction for optional.
 832         * include/std/optional: Add a deduction guide.
 833         * testsuite/20_util/optional/cons/deduction_guide.cc: New.
 834
 835 2017-01-27  Jonathan Wakely  <jwakely@redhat.com>
 836
 837         PR libstdc++/79254
 838         * config/abi/pre/gnu.ver: Add new symbols.
 839         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 840         (basic_string::_M_copy_assign): New overloaded functions to perform
 841         copy assignment.
 842         (basic_string::operator=(const basic_string&)): Dispatch to
 843         _M_copy_assign.
 844         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
 845         (basic_string::_M_copy_assign(const basic_string&, true_type)):
 846         Define, performing rollback on exception.
 847         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
 848         Test exception-safety guarantee.
 849         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
 850         Likewise.
 851         * testsuite/util/testsuite_allocator.h (uneq_allocator::swap): Make
 852         std::swap visible.
 853
 854 2017-01-26  Jonathan Wakely  <jwakely@redhat.com>
 855
 856         PR libstdc++/70607
 857         * include/tr1/complex (conj): Remove using-declaration and restore
 858         overloads, reverting previous change.
 859
 860         * testsuite/23_containers/list/operations/78389.cc: Fix for C++11
 861         mode.
 862         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
 863         Mark as unsupported in C++98 mode.
 864         * testsuite/23_containers/queue/requirements/constructible.cc:
 865         Likewise.
 866         * testsuite/23_containers/stack/requirements/constructible.cc:
 867         Likewise.
 868         * testsuite/25_algorithms/make_heap/movable.cc: Fix for C++11 mode.
 869
 870         PR libstdc++/79243
 871         * include/bits/c++config (literals::string_view_literals::__7): Add.
 872         Only declare versioned namespaces for the relevant C++ dialects.
 873         * include/experimental/bits/erase_if.h (fundamentals_v2::__detail):
 874         Add versioning macros.
 875         * include/experimental/bits/lfts_config.h:
 876         (fundamentals_v1::__detail::__7, fundamentals_v2::__detail::__7): Add.
 877         * include/experimental/string_view (fundamentals_v2::__detail):
 878         Add versioning macros.
 879         (fundamentals_v2::__detail::__identity): Remove.
 880         (fundamentals_v2::__detail::__idt): Use common_type instead of
 881         __detail::__identity.
 882         * include/std/string_view (__detail::__identity, __detail::__idt):
 883         Likewise.
 884         (literals::string_view_literals): Fix nesting of versioning macros.
 885
 886         PR libstdc++/79190
 887         * libsupc++/del_opa.cc (operator delete(void*, std::align_val_t))
 888         [!_GLIBCXX_HAVE_ALIGNED_ALLOC && !_GLIBCXX_HAVE_POSIX_MEMALIGN
 889         && !_GLIBCXX_HAVE_MEMALIGN && !_GLIBCXX_HAVE__ALIGNED_MALLOC]:
 890         Retrieve original pointer value allocated by malloc.
 891         * libsupc++/new_opa.cc [!_GLIBCXX_HAVE_ALIGNED_ALLOC
 892         && !_GLIBCXX_HAVE_POSIX_MEMALIGN && !_GLIBCXX_HAVE_MEMALIGN
 893         && !_GLIBCXX_HAVE__ALIGNED_MALLOC] (aligned_alloc(size_t, size_t)):
 894         Define, adjusting pointer value allocated by malloc and storing for
 895         retrieval by operator delete.
 896
 897 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
 898
 899         * libsupc++/eh_atomics.h: Update copyright years.
 900         * testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years.
 901
 902 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
 903
 904         PR libstdc++/61791
 905         PR libstdc++/70607
 906         * include/std/complex (real(T), imag(T)): Add _GLIBCXX_CONSTEXPR.
 907         (proj(T), conj(T)): Change return types per DR 1522.
 908         * include/tr1/complex (conj): Remove overloads and use std::conj.
 909         * testsuite/26_numerics/complex/dr781_dr1137.cc: Rename to...
 910         * testsuite/26_numerics/complex/dr781.cc: ... this, and update.
 911         * testsuite/26_numerics/complex/value_operations/constexpr2.cc: Test
 912         real(T) and imag(T). Allow testing for C++11 too.
 913
 914 2017-01-24  Jonathan Wakely  <jwakely@redhat.com>
 915
 916         PR libstdc++/79206
 917         * include/experimental/string_view (operator==): Check sizes first.
 918         * include/std/string_view (operator==): Likewise.
 919
 920 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
 921
 922         * testsuite/experimental/array/make_array.cc: Restore <functional>
 923         inclusion.
 924
 925 2017-01-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 926
 927         * testsuite/29_atomics/atomic/69301.cc: Require atomic builtins.
 928
 929 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
 930
 931         PR libstdc++/79195
 932         * include/experimental/array (__make_array_elem): New class template
 933         and partial specialization.
 934         (__is_reference_wrapper): Move into __make_array_elem specialization.
 935         (make_array): Use __make_array_elem to determine element type and move
 936         static assertion into specialization. Qualify std::forward call.
 937         (to_array): Add exception specifiation.
 938         * testsuite/experimental/array/make_array.cc: Test argument types
 939         without a common type.
 940         * testsuite/experimental/array/neg.cc: Adjust expected error message.
 941
 942 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
 943
 944         * doc/xml/manual/debug.xml: code.google.com uses https now.
 945
 946 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
 947
 948         * doc/xml/manual/test.xml: Fix link into gccint online manual.
 949
 950 2017-01-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
 951
 952         Make poisoned hashes SFINAE away the call operator of the hash.
 953         * include/bits/functional_hash.h
 954         (__poison_hash::__enable_hash_call): New.
 955         * include/std/optional (__optional_hash_call_base): New.
 956         (hash<optional<_Tp>>): Derive from the new base,
 957         move the hash function into that base.
 958         * include/std/variant (__variant_hash_call_base_impl): New.
 959         (__variant_hash_call_base): Likewise.
 960         (hash<variant<_Types...>>): Derive from the new base,
 961         move the hash function into that base.
 962         * testsuite/20_util/optional/hash.cc: Add tests for is_callable.
 963         * testsuite/20_util/variant/hash.cc: Likewise.
 964
 965 2017-01-20  Joe Seymour  <joe.s@somniumtech.com>
 966
 967         * acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t.
 968         * configure: Regenerate.
 969
 970 2017-01-20  Jonathan Wakely  <jwakely@redhat.com>
 971
 972         PR libstdc++/69240
 973         * include/bits/random.h (uniform_real_distribution::param_type)
 974         (normal_distribution::param_type, lognormal_distribution::param_type)
 975         (gamma_distribution::param_type, chi_squared_distribution::param_type)
 976         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
 977         (student_t_distribution::param_type)
 978         (bernoulli_distribution::param_type, binomial_distribution::param_type)
 979         (geometric_distribution::param_type)
 980         (negative_binomial_distribution::param_type)
 981         (poisson_distribution::param_type)
 982         (exponential_distribution::param_type)
 983         (weibull_distribution::param_type)
 984         (extreme_value_distribution::param_type)
 985         (discrete_distribution::param_type)
 986         (piecewise_constant_distribution::param_type)
 987         (piecewise_linear_distribution::param_type): Define operator!=.
 988         * include/bits/uniform_int_dist.h
 989         (uniform_int_distribution::param_type): Likewise.
 990         * include/ext/random (beta_distribution::param_type)
 991         (rice_distribution::param_type, nakagami_distribution::param_type)
 992         (pareto_distribution::param_type, k_distribution::param_type)
 993         (arcsine_distribution::param_type, hoyt_distribution::param_type)
 994         (triangular_distribution::param_type)
 995         (von_mises_distribution::param_type)
 996         (hypergeometric_distribution::param_type)
 997         (logistic_distribution::param_type)
 998         (uniform_on_sphere_distribution::param_type)
 999         (uniform_inside_sphere_distribution::param_type): Likewise.
1000         * testsuite/26_numerics/random/bernoulli_distribution/cons/parms.cc:
1001         Test construction with param_type.
1002         * testsuite/26_numerics/random/binomial_distribution/cons/parms.cc:
1003         Likewise.
1004         * testsuite/26_numerics/random/cauchy_distribution/cons/parms.cc:
1005         Likewise.
1006         * testsuite/26_numerics/random/chi_squared_distribution/cons/parms.cc:
1007         Likewise.
1008         * testsuite/26_numerics/random/exponential_distribution/cons/parms.cc:
1009         Likewise.
1010         * testsuite/26_numerics/random/extreme_value_distribution/cons/
1011         parms.cc: Likewise.
1012         * testsuite/26_numerics/random/fisher_f_distribution/cons/parms.cc:
1013         Likewise.
1014         * testsuite/26_numerics/random/gamma_distribution/cons/parms.cc:
1015         Likewise.
1016         * testsuite/26_numerics/random/geometric_distribution/cons/parms.cc:
1017         Likewise.
1018         * testsuite/26_numerics/random/lognormal_distribution/cons/parms.cc:
1019         Likewise.
1020         * testsuite/26_numerics/random/negative_binomial_distribution/cons/
1021         parms.cc: Likewise.
1022         * testsuite/26_numerics/random/normal_distribution/cons/parms.cc:
1023         Likewise.
1024         * testsuite/26_numerics/random/poisson_distribution/cons/parms.cc:
1025         Likewise.
1026         * testsuite/26_numerics/random/student_t_distribution/cons/parms.cc:
1027         Likewise.
1028         * testsuite/26_numerics/random/uniform_int_distribution/cons/parms.cc:
1029         Likewise.
1030         * testsuite/26_numerics/random/uniform_real_distribution/cons/parms.cc:
1031         Likewise.
1032         * testsuite/26_numerics/random/weibull_distribution/cons/parms.cc:
1033         Likewise.
1034         * testsuite/ext/random/arcsine_distribution/cons/parms.cc: Likewise.
1035         * testsuite/ext/random/beta_distribution/cons/parms.cc: Likewise.
1036         * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
1037         * testsuite/ext/random/hypergeometric_distribution/cons/parms.cc:
1038         Likewise.
1039         * testsuite/ext/random/k_distribution/cons/parms.cc: Likewise.
1040         * testsuite/ext/random/logistic_distribution/cons/parms.cc: Likewise.
1041         * testsuite/ext/random/nakagami_distribution/cons/parms.cc: Likewise.
1042         * testsuite/ext/random/normal_mv_distribution/cons/parms.cc: Likewise.
1043         * testsuite/ext/random/pareto_distribution/cons/parms.cc: Likewise.
1044         * testsuite/ext/random/rice_distribution/cons/parms.cc: Likewise.
1045         * testsuite/ext/random/triangular_distribution/cons/parms.cc:
1046         Likewise.
1047         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/
1048         parms.cc: Likewise.
1049         * testsuite/ext/random/von_mises_distribution/cons/parms.cc: Likewise.
1050
1051         PR libstdc++/72792
1052         * include/bits/alloc_traits.h (__allocator_traits_base::__diff_type)
1053         (__allocator_traits_base::__size_type): Remove.
1054         (allocator_traits::_Ptr): New class template to detect const and void
1055         pointer types without instantiating pointer_traits::rebind
1056         unnecessarily.
1057         (allocator_traits::_Diff): Likewise for detecting difference_type.
1058         (allocator_traits::_Size): New class template to detect size_type
1059         without instantiating make_unsigned unnecessarily.
1060         * include/bits/ptr_traits.h (pointer_traits::element_type): Use
1061         __detected_or_t instead of __detected_or_t_.
1062         * include/std/type_traits (__detected_or_t_): Remove.
1063         * testsuite/20_util/allocator_traits/members/pointers.cc: New test.
1064
1065         PR libstdc++/72792
1066         PR libstdc++/72793
1067         * include/bits/alloc_traits.h (__allocator_traits_base::__rebind):
1068         Replace with class template using void_t.
1069         (__alloc_rebind): Define in terms of
1070         __allocator_traits_base::__rebind.
1071         (allocator_traits): Remove unconditional static_assert for
1072         rebind_alloc.
1073         * include/bits/ptr_traits.h (__replace_first_arg): Remove type member.
1074         (pointer_traits::__rebind): Replace with class template using void_t.
1075         (pointer_traits::rebind): Define in terms of __rebind.
1076         (pointer_traits): Remove unconditional static_assert for rebind.
1077         * testsuite/20_util/allocator_traits/members/rebind_alloc.cc: New test.
1078         * testsuite/20_util/pointer_traits/rebind.cc: New test.
1079
1080         PR libstdc++/69321
1081         * include/experimental/any (__any_caster): Avoid instantiating
1082         manager function for types that can't be stored in any.
1083         * include/std/any (__any_caster): Likewise.
1084         * testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
1085         * testsuite/experimental/any/misc/any_cast.cc: Likewise.
1086
1087         PR libstdc++/64903
1088         * include/bits/stl_algo.h (is_partitioned): Use increment instead of
1089         std::advance.
1090
1091 2017-01-19  Jonathan Wakely  <jwakely@redhat.com>
1092
1093         PR libstdc++/79156
1094         * include/bits/shared_ptr_base.h (__enable_shared_from_this_base):
1095         Fix return type.
1096         (__enable_shared_from_this): Declare __shared_ptr as a friend.
1097         * testsuite/ext/shared_ptr/1.cc: New test.
1098
1099         PR libstdc++/64903
1100         * include/bits/stl_algo.h (is_partitioned): Don't retest the partition
1101         point.
1102         * testsuite/25_algorithms/is_partitioned/2.cc: New test.
1103
1104         * doc/xml/manual/abi.xml: Fix typo.
1105         * doc/html/manual/abi.html: Likewise.
1106
1107         PR libstdc++/67085
1108         * include/bits/predefined_ops.h (_Iter_less_val, _Val_less_iter): Add
1109         converting constructors from _Iter_less_iter.
1110         (_Iter_comp_val, _Val_comp_iter): Add converting constructors from
1111         _Iter_comp_iter.
1112         (__iter_comp_val(_Iter_comp_iter<C>): Use converting constructor.
1113         (__val_comp_iter(_Iter_comp_iter<C>): Likewise.
1114         * include/bits/stl_heap.h (__is_heap_until, __push_heap, __pop_heap)
1115         (__make_heap, __sort_heap): Change _Compare parameters to references.
1116         (__is_heap, push_heap, __adjust_heap, __pop_heap, pop_heap)
1117         (__make_heap, make_heap, sort_heap, is_heap_until): Pass comparison
1118         functions as lvalues.
1119         (is_heap): Call __is_heap_until directly to avoid copying __comp.
1120         * testsuite/23_containers/priority_queue/67085.cc: Adjust test to
1121         count copies during construction with empty sequence.
1122
1123         PR libstdc++/67085
1124         * include/bits/stl_heap.h (__is_heap): Use _GLIBCXX_MOVE.
1125         (__make_heap, __sort_heap): Don't use _GLIBCXX_MOVE inside loops.
1126         * testsuite/23_containers/priority_queue/67085.cc: Adjust expected
1127         number of copies.
1128         * testsuite/25_algorithms/make_heap/movable.cc: New test.
1129
1130         PR libstdc++/67085
1131         * include/bits/stl_heap.h (push_heap, __adjust_heap, __pop_heap)
1132         (pop_heap, __make_heap, make_heap, __sort_heap, sort_heap): Use
1133         _GLIBCXX_MOVE when passing comparison function to other functions.
1134         (is_heap_until, is_heap): Use std::move when passing comparison
1135         function.
1136         * testsuite/23_containers/priority_queue/67085.cc: New test.
1137
1138         PR libstdc++/78905
1139         * doc/xml/manual/abi.xml (abi.versioning.history): Add markup to
1140         macro names, filenames, and literal values. Document _GLIBCXX_RELEASE.
1141         Document that the deprecated _GLIBCXX_VERSION macro was removed for
1142         the 4.0.0 release.
1143         * doc/html/*: Regenerate.
1144         * include/Makefile.am (_GLIBCXX_RELEASE): Set value.
1145         * include/Makefile.in: Regenerate.
1146         * include/bits/c++config (_GLIBCXX_RELEASE): Add #define.
1147         * testsuite/ext/profile/mutex_extensions_neg.cc: Use lineno of 0 in
1148         dg-error.
1149
1150 2017-01-18  Jonathan Wakely  <jwakely@redhat.com>
1151
1152         PR libstdc++/69301
1153         * include/std/atomic (atomic<T>::load, atomic<T>::exchange): Use
1154         aligned buffer instead of default-initialized variable.
1155         * testsuite/29_atomics/atomic/69301.cc: New test.
1156         * include/experimental/memory (observer_ptr::release): Use reserved
1157         name.
1158         * include/ext/pointer.h (_Pointer_adapter::operator++(int))
1159         (_Pointer_adapter::operator--(int)): Likewise.
1160
1161         PR libstdc++/68925
1162         * include/experimental/random (randint): Use temporary instead of
1163         thread_local static.
1164
1165 2017-01-17  Joshua Conner  <joshconner@google.com>
1166
1167         * crossconfig.m4: Add fuchsia OS.
1168         * configure: Regenerate.
1169
1170 2017-01-17  Jonathan Wakely  <jwakely@redhat.com>
1171
1172         PR libstdc++/69699
1173         * doc/xml/manual/abi.xml (abi.versioning.history): Explain why the
1174         __GLIBCXX__ macro is not useful. Remove redundant date information
1175         and link to the GCC release timeline.
1176         (abi.versioning.active): Move partial sentence into the previous
1177         paragraph.
1178         * doc/html/*: Regenerate.
1179
1180         PR libstdc++/79114
1181         * libsupc++/nested_exception.h (throw_with_nested): Use decay instead
1182         of remove_reference.
1183         * testsuite/18_support/nested_exception/79114.cc: New test.
1184
1185 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
1186
1187         PR other/79046
1188         * configure.ac: Add GCC_BASE_VER.
1189         * fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
1190         get version from BASE-VER file.
1191         * po/Makefile.in: Regenerated.
1192         * libsupc++/Makefile.in: Regenerated.
1193         * testsuite/Makefile.in: Regenerated.
1194         * src/Makefile.in: Regenerated.
1195         * configure: Regenerated.
1196         * Makefile.in: Regenerated.
1197         * include/Makefile.in: Regenerated.
1198         * doc/Makefile.in: Regenerated.
1199         * python/Makefile.in: Regenerated.
1200         * src/c++11/Makefile.in: Regenerated.
1201         * src/c++98/Makefile.in: Regenerated.
1202         * src/filesystem/Makefile.in: Regenerated.
1203
1204 2017-01-16  Jonathan Wakely  <jwakely@redhat.com>
1205
1206         PR libstdc++/66145
1207         * src/c++11/functexcept.cc: Use new ABI for std::ios_base::failure
1208         exceptions.
1209         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Don't override ABI
1210         for test, so new ios::failure can be caught.
1211         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1212         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1213         exceptions_failbit.cc: Likewise.
1214         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1215         exceptions_failbit.cc: Likewise.
1216         * testsuite/27_io/basic_istream/extractors_other/char/
1217         exceptions_null.cc: Likewise.
1218         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1219         exceptions_null.cc: Likewise.
1220         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1221         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1222         * testsuite/27_io/basic_ostream/inserters_other/char/
1223         exceptions_null.cc: Likewise.
1224         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1225         exceptions_null.cc: Likewise.
1226         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1227
1228         PR libstdc++/78702
1229         * include/bits/locale_classes.h (locale::facet::__shim): Change from
1230         private to protected.
1231         * src/c++11/cxx11-shim_facets.cc (__shim_accessor): Define helper to
1232         make locale::facet::__shim accessible.
1233
1234 2017-01-16  Ville Voutilainen  <ville.voutilainen@gmail.com>
1235
1236         PR libstdc++/78389
1237         * include/bits/list.tcc (merge(list&&)): Fix backwards size adjustments.
1238         (merge(list&&, _StrictWeakOrdering)): Likewise.
1239         * testsuite/23_containers/list/operations/78389.cc: Add
1240         better test for the sizes.
1241
1242 2017-01-14  Jonathan Wakely  <jwakely@redhat.com>
1243
1244         * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
1245         Skip test when -D_GLIBCXX_PROFILE mode is included in options.
1246         * testsuite/23_containers/map/modifiers/extract.cc: Likewise.
1247         * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
1248         Likewise.
1249         * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
1250         * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
1251         * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
1252         * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
1253         * testsuite/23_containers/unordered_map/modifiers/extract.cc:
1254         Likewise.
1255         * testsuite/23_containers/unordered_multimap/modifiers/extract.cc::
1256         Likewise.
1257         * testsuite/23_containers/unordered_multiset/modifiers/extract.cc::
1258         Likewise.
1259         * testsuite/23_containers/unordered_set/modifiers/extract.cc:
1260         Likewise.
1261         * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
1262         Likewise.
1263         * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
1264         * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
1265         * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1266         * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1267         * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1268         * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1269         * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1270         * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
1271         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
1272         * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1273         * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1274         * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1275         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1276
1277 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
1278
1279         PR libstdc++/65411
1280         * config/io/basic_file_stdio.cc (__basic_file<char>::close()): Don't
1281         retry fclose on EINTR.
1282
1283         * include/profile/base.h: Remove unused header that leads to header
1284         cycle in C++17 mode.
1285
1286         PR libstdc++/79075
1287         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
1288         Make _If_sv private.
1289         [!_GLIBCXX_USE_CXX11_ABI] (basic_string): Add member functions taking
1290         basic_string_view arguments.
1291
1292         PR libstdc++/79075
1293         * testsuite/lib/libstdc++.exp (check_v3_target_filesystem_ts): Remove
1294         redundant option from cxxflags.
1295         (check_effective_target_cxx11-abi): Define.
1296         * testsuite/21_strings/basic_string/allocator/71964.cc: Use cxx11-abi
1297         effective target.
1298         * testsuite/21_strings/basic_string/allocator/char/copy.cc: Likewise.
1299         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1300         Likewise.
1301         * testsuite/21_strings/basic_string/allocator/char/minimal.cc:
1302         Likewise.
1303         * testsuite/21_strings/basic_string/allocator/char/move.cc: Likewise.
1304         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1305         Likewise.
1306         * testsuite/21_strings/basic_string/allocator/char/noexcept.cc:
1307         Likewise.
1308         * testsuite/21_strings/basic_string/allocator/char/swap.cc: Likewise.
1309         * testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc:
1310         Likewise.
1311         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1312         Likewise.
1313         * testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc:
1314         Likewise.
1315         * testsuite/21_strings/basic_string/allocator/wchar_t/move.cc:
1316         Likewise.
1317         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1318         Likewise.
1319         * testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc:
1320         Likewise.
1321         * testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc:
1322         Likewise.
1323         * testsuite/23_containers/list/61347.cc: Likewise.
1324         * testsuite/27_io/basic_fstream/cons/base.cc: Likewise.
1325         * testsuite/27_io/ios_base/failure/cxx11.cc: Likewise.
1326
1327 2017-01-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
1328
1329         PR libstdc++/78389
1330         * include/bits/list.tcc (merge(list&&)):
1331         Adjust list sizes if the comparator throws.
1332         (merge(list&&, _StrictWeakOrdering)): Likewise.
1333         (sort()): Splice elements back from the scratch buffers
1334         if the comparator throws.
1335         (sort(_StrictWeakOrdering)): Likewise.
1336         * testsuite/23_containers/list/operations/78389.cc: New.
1337
1338 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
1339
1340         * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Mark
1341         XFAIL for C++17 until node reinsertion supports fancy pointers.
1342
1343         PR libstdc++/78361
1344         * testsuite/20_util/add_pointer/value.cc: Test forming function
1345         pointers.
1346
1347 2017-01-13  Michael Brune  <lucdanton@free.fr>
1348
1349         PR libstdc++/78361
1350         * include/std/type_traits (__is_referenceable): Handle noexcept
1351         function types.
1352
1353 2017-01-12  Jonathan Wakely  <jwakely@redhat.com>
1354
1355         PR libstdc++/77528
1356         * include/bits/stl_queue.h (queue, priority_queue): Remove default
1357         member-initializers and define default constructors as templates with
1358         constraints.
1359         * include/bits/stl_stack.h (stack): Likewise.
1360         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
1361         New.
1362         * testsuite/23_containers/priority_queue/requirements/
1363         explicit_instantiation/1.cc: Test more instantiations.
1364         * testsuite/23_containers/priority_queue/requirements/
1365         explicit_instantiation/1_c++98.cc: Likewise.
1366         * testsuite/23_containers/queue/requirements/constructible.cc: New.
1367         * testsuite/23_containers/stack/requirements/constructible.cc: New.
1368
1369         PR libstdc++/66284
1370         * doc/xml/manual/intro.xml: Document LWG 2781 change.
1371         * doc/html/*: Regenerate.
1372         * include/std/functional (_Function_base::_Ref_manager): Remove.
1373         (_Function_handler): Remove partial specializations for
1374         reference_wrapper.
1375         (function::target): Remove special case for const qualification.
1376         * testsuite/20_util/function/6.cc: Adjust tests for target type.
1377         * testsuite/20_util/function/7.cc: Likewise.
1378         * testsuite/20_util/function/8.cc: Likewise.
1379
1380 2017-01-11  Jonathan Wakely  <jwakely@redhat.com>
1381
1382         PR libstdc++/78134
1383         * include/bits/stl_map.h (map::lower_bound, map::upper_bound)
1384         (map::equal_range): Fix return type of heterogeneous overloads.
1385         * include/bits/stl_multimap.h (multimap::lower_bound)
1386         (multimap::upper_bound, multimap::equal_range): Likewise.
1387         * include/bits/stl_multiset.h (multiset::lower_bound)
1388         (multiset::upper_bound, multiset::equal_range): Likewise.
1389         * include/bits/stl_set.h (set::lower_bound, set::upper_bound)
1390         (set::equal_range): Likewise.
1391         * testsuite/23_containers/map/operations/2.cc
1392         * testsuite/23_containers/multimap/operations/2.cc
1393         * testsuite/23_containers/multiset/operations/2.cc
1394         * testsuite/23_containers/set/operations/2.cc
1395
1396         PR libstdc++/78273
1397         * include/bits/stl_map.h (map::count<_Kt>(const _Kt&)): Don't assume
1398         the heterogeneous comparison can only find one match.
1399         * include/bits/stl_set.h (set::count<_Kt>(const _Kt&)): Likewise.
1400         * testsuite/23_containers/map/operations/2.cc: Test count works with
1401         comparison function that just partitions rather than sorting.
1402         * testsuite/23_containers/set/operations/2.cc: Likewise.
1403
1404 2017-01-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
1405
1406         Reduce the size of variant, it doesn't need an index of
1407         type size_t internally.
1408         * include/std/variant (parse_numbers.h): New include.
1409         (__select_index): New.
1410         (_Variant_storage<false, _Types...>::_M_reset_impl): Use
1411         _index_type for comparison with variant_npos.
1412         (_Variant_storage<false, _Types...>::__index_type): New.
1413         (_Variant_storage<false, _Types...>::_M_index): Change the
1414         type from size_t to __index_type.
1415         (_Variant_storage<true, _Types...>::__index_type): New.
1416         (_Variant_storage<true, _Types...>::_M_index): Change the
1417         type from size_t to __index_type.
1418         (_Variant_base::_M_valid): Use _Storage::__index_type
1419         for comparison with variant_npos.
1420         (variant::index): Use _Base::_Storage::__index_type
1421         for comparison with variant_npos.
1422         * testsuite/20_util/variant/index_type.cc: New.
1423
1424 2017-01-10  Jonathan Wakely  <jwakely@redhat.com>
1425
1426         * testsuite/18_support/exception_ptr/60612-unexpected.cc: Adjust
1427         effective target selector to prevent running in C++17 mode.
1428
1429         PR libstdc++/77528
1430         * include/bits/stl_queue.h (queue::c): Add default member initializer.
1431         (queue::queue()): Add constructor and define as defaulted.
1432         (queue::queue(_Sequence&&)): Remove default argument.
1433         (priority_queue::c, priority_queue::comp): Add default member
1434         initializers.
1435         (priority_queue::priority_queue()): Add constructor and define as
1436         defaulted.
1437         (priority_queue::priority_queue(const _Compare&, _Sequence&&)):
1438         Remove default argument for first parameter.
1439         * include/bits/stl_stack.h (stack::c): Add default member initializer.
1440         (stack::stack()): Add constructor and define as defaulted.
1441         (stack::stack(const _Sequence&)): Remove default argument.
1442         * testsuite/23_containers/priority_queue/requirements/
1443         explicit_instantiation/1.cc: Test explicit instantiation with
1444         non-DefaultConstructible sequence.
1445         * testsuite/23_containers/priority_queue/77528.cc: New test.
1446         * testsuite/23_containers/priority_queue/requirements/
1447         explicit_instantiation/1_c++0x.cc: Replace with 1_c++98.cc.
1448         * testsuite/23_containers/queue/77528.cc: New test.
1449         * testsuite/23_containers/queue/requirements/explicit_instantiation/
1450         1.cc: Test explicit instantiation with non-DefaultConstructible
1451         sequence.
1452         * testsuite/23_containers/queue/requirements/explicit_instantiation/
1453         1_c++0x.cc: Replace with 1_c++98.cc.
1454         * testsuite/23_containers/stack/77528.cc: New test.
1455         * testsuite/23_containers/stack/requirements/explicit_instantiation/
1456         1.cc: Test explicit instantiation with non-DefaultConstructible
1457         sequence.
1458         * testsuite/23_containers/stack/requirements/explicit_instantiation/
1459         1_c++0x.cc: Replace with 1_c++98.cc.
1460
1461 2017-01-10  Felipe Magno de Almeida <felipe@expertisesolutions.com.br>
1462
1463         * include/bits/locale_facets_nonio.tcc
1464         (time_get::_M_extract_via_format): Avoid compilation errors with
1465         non-standard struct tm.
1466
1467 2017-01-10  François Dumont  <fdumont@gcc.gnu.org>
1468             Jonathan Wakely  <jwakely@redhat.com>
1469
1470         * python/libstdcxx/v6/printers.py (_versioned_namespace): Define.
1471         (is_specialization, strip_versioned_namespace): New helpers functions
1472         to work with symbols in the versioned namespace.
1473         (Printer.add_version): Add second name using versioned namespace.
1474         (add_one_template_type_printer, add_one_type_printer): Add second
1475         type printers using versioned namespace.
1476         (register_type_printers): Add template type printer for basic_string.
1477         (build_libstdcxx_dictionary): Remove dead code.
1478         * python/libstdcxx/v6/xmethods.py: Make all matchers look for
1479         versioned namespace.
1480         * testsuite/libstdc++-prettyprinters/48362.cc: Adjust expected
1481         results.
1482         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1483
1484 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
1485
1486         PR libstdc++/79017
1487         * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Check for llrint and llround
1488         functions separately on darwin and if they're missing define
1489         _GLIBCXX_NO_C99_ROUNDING_FUNCS.
1490         * config.h.in: Regenerate.
1491         * configure: Regenerate.
1492         * include/c_global/cmath [_GLIBCXX_NO_C99_ROUNDING_FUNCS] (llrint)
1493         (llrintf, llrintl, llround, llroundf, llroundl): Do not define.
1494
1495         * testsuite/30_threads/condition_variable/members/3.cc: Use new macro
1496         to detect correct thread_local destructors.
1497         * testsuite/util/testsuite_hooks.h (CORRECT_THREAD_LOCAL_DTORS):
1498         Define.
1499
1500 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
1501             Aditya Kumar  <hiraditya@msn.com>
1502
1503         PR libstdc++/66414
1504         * include/bits/basic_string.tcc
1505         (basic_string::find(const CharT*, size_type, size_type)): Optimize.
1506
1507 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
1508
1509         * testsuite/21_strings/basic_string/operations/find/char/6.cc: New.
1510         * testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New.
1511
1512         * testsuite/util/performance/priority_queue/mem_usage/pop_test.hpp:
1513         Include <cassert> header.
1514
1515         PR libstdc++/78968
1516         * crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*.
1517         * configure: Regenerate.
1518
1519 2017-01-06  Barrett Adair  <barrettellisadair@gmail.com>
1520             Jonathan Wakely  <jwakely@redhat.com>
1521
1522         * include/std/variant (variant, swap): Replace __and_ usage with fold
1523         expressions.
1524
1525 2017-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1526
1527         PR go/78978
1528         * acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Remove.
1529         * configure.ac: Call GCC_CHECK_ASSEMBLER_HWCAP instead of
1530         GLIBCXX_CHECK_ASSEMBLER_HWCAP.
1531         * fragment.am (CONFIG_CXXFLAGS): Use HWCAP_CFLAGS instead of
1532         HWCAP_FLAGS.
1533         * aclocal.m4: Regenerate.
1534         * configure: Regenerate.
1535         * Makefile.in, doc/Makefile.in, include/Makefile.in,
1536         libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in,
1537         src/Makefile.in, src/c++11/Makefile.in, src/c++98/Makefile.in,
1538         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
1539
1540 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
1541
1542         * include/bits/c++config (_GLIBCXX_ASSERTIONS): Avoid redefinition.
1543
1544         PR libstdc++/78991
1545         * include/bits/predefined_ops.h (_Iter_comp_iter, _Iter_comp_val)
1546         (_Val_comp_iter, _Iter_equals_val, _Iter_pred, _Iter_comp_to_val)
1547         (_Iter_comp_to_iter, _Iter_negate): Make constructors explicit and
1548         move function objects.
1549         (__iter_comp_iter, __iter_comp_val, __val_comp_iter, __pred_iter)
1550         (__iter_comp_val, __iter_comp_iter, __negate): Move function objects.
1551         * testsuite/25_algorithms/sort/78991.cc: New test.
1552
1553 2017-01-05  Jonathan Wakely  <jwakely@redhat.com>
1554
1555         * include/bits/std_function.h (function::_Signature_type): Remove.
1556         (function::function(_Functor)): Adjust.
1557
1558 2017-01-05  Tim Shen  <timshen@google.com>
1559
1560         PR libstdc++/78996
1561         * include/std/variant (__gen_vtable_impl): rename __unused to
1562         __dimensions to avoid naming conflict.
1563
1564 2017-01-04  Jonathan Wakely  <jwakely@redhat.com>
1565
1566         PR libstdc++/78968
1567         * config.h.in: Regenerate.
1568         * configure: Likewise.
1569         * configure.ac: Check for __cxa_thread_atexit.
1570         * libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]:
1571         Don't define __cxa_thread_atexit if libc provides it.
1572
1573 2017-01-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
1574
1575         Implement 2801, Default-constructibility of unique_ptr.
1576         * include/bits/unique_ptr.h (__uniq_ptr_impl::_DeleterConstraint): New.
1577         (unique_ptr::_DeleterConstraint): Likewise.
1578         (unique_ptr()): Constrain.
1579         (unique_ptr(pointer)): Likewise.
1580         (unique_ptr(nullptr_t)): Likewise.
1581         (unique_ptr<_Tp[], _Dp>::_DeleterConstraint): New.
1582         (unique_ptr<_Tp[], _Dp>::unique_ptr()): Constrain.
1583         (unique_ptr<_Tp[], _Dp>::unique_ptr(_Up)): Likewise.
1584         (unique_ptr<_Tp[], _Dp>::unique_ptr(nullptr_t)): Likewise.
1585         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust.
1586         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
1587         * testsuite/20_util/unique_ptr/cons/default.cc: New.
1588         * testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Adjust.
1589
1590 2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
1591             Jonathan Wakely  <jwakely@redhat.com>
1592
1593         PR libstdc++/64735
1594         * acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
1595         * config.h.in: Regenerate.
1596         * config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
1597         (GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
1598         exports for exception_ptr, nested_exception, and future conditional.
1599         [HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
1600         exports for exception_ptr, nested_exception, and future conditional.
1601         * configure: Regenerate.
1602         * configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
1603         * include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
1604         * libsupc++/eh_atomics.h: New file for internal use only.
1605         (__eh_atomic_inc, __eh_atomic_dec): New.
1606         * libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
1607         (exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
1608         (rethrow_exception): Use eh_atomics.h reference counting helpers.
1609         * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
1610         * libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
1611         * libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
1612         * libsupc++/exception_ptr.h: Likewise.
1613         * libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
1614         * libsupc++/nested_exception.cc: Remove check for
1615         ATOMIC_INT_LOCK_FREE.
1616         * libsupc++/nested_exception.h: Likewise.
1617         * src/c++11/future.cc: Likewise.
1618         * testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
1619         * testsuite/18_support/nested_exception/*: Likewise.
1620         * testsuite/30_threads/async/*: Likewise.
1621         * testsuite/30_threads/future/*: Likewise.
1622         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1623         * testsuite/30_threads/packaged_task/*: Likewise.
1624         * testsuite/30_threads/promise/*: Likewise.
1625         * testsuite/30_threads/shared_future/*: Likewise.
1626
1627 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
1628
1629         * doc/xml/manual/documentation_hacking.xml: sourceforge.net now
1630         defaults to https; adjust reference.
1631
1632 2017-01-03  Jonathan Wakely  <jwakely@redhat.com>
1633
1634         PR libstdc++/78956
1635         * include/std/thread (thread(const thread&&)): Add deleted
1636         constructor.
1637         * testsuite/30_threads/thread/cons/lwg2097.cc: New test.
1638
1639         * doc/xml/manual/spine.xml: Update copyright years.
1640         * doc/xml/manual/build_hacking.xml: Fix spelling of libbuilddir.
1641         * doc/xml/manual/test.xml: Likewise.
1642         * doc/html/*: Regenerate.
1643
1644 2017-01-01  Gerald Pfeifer  <gerald@pfeifer.com>
1645
1646         * doc/xml/faq.xml: Update address of C++ ABI link.
1647         * doc/xml/manual/abi.xml: Ditto.
1648
1649 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
1650
1651         Update copyright years.
1652 \f
1653 Copyright (C) 2017 Free Software Foundation, Inc.
1654
1655 Copying and distribution of this file, with or without modification,
1656 are permitted in any medium without royalty provided the copyright
1657 notice and this notice are preserved.