libstdc++-v3/ChangeLog

   1 2017-04-18  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * include/std/functional (default_searcher, __boyer_moore_array_base)
   4         (__is_std_equal_to, __boyer_moore_base_t, boyer_moore_searcher)
   5         (boyer_moore_horspool_searcher): Remove redundant namespace
   6         qualification.
   7         (default_searcher::operator()): Construct return value early and
   8         advance second member in-place.
   9         (boyer_moore_horspool_searcher::operator()): Increment random access
  10         iterator directly instead of using std::next.
  11         (boyer_moore_searcher::operator()): Fix return value.
  12         * testsuite/20_util/function_objects/searchers.cc: Check both parts
  13         of return values.
  14
  15 2017-04-12  Gerald Pfeifer  <gerald@pfeifer.com>
  16
  17         * doc/xml/faq.xml: Update reference link to C++ ABI for Itanium.
  18         * doc/xml/manual/abi.xml. Ditto (thrice).
  19
  20 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
  21
  22         * doc/xml/manual/status_cxx2017.xml: Remove duplicate table entry.
  23         * doc/html/*: Regenerate.
  24
  25         * testsuite/20_util/reference_wrapper/invoke.cc: Uncomment tests
  26         that no longer fail.
  27
  28         * include/bits/ios_base.h: Correct comment.
  29         * testsuite/util/testsuite_hooks.h: Likewise.
  30
  31         * doc/xml/manual/status_cxx2017.xml: Update C++17 status table.
  32         * doc/xml/manual/appendix_contributing.xml (contrib.organization): Add
  33         directories for debug, parallel and profile headers.
  34         * doc/html/*: Regenerate.
  35
  36         * include/bits/char_traits.h (__gnu_cxx::char_traits): Add
  37         _GLIBCXX14_CONSTEXPR on assign, compare, find, and length.
  38         (std::char_traits<char>, std::char_traits<wchar_t>): Add
  39         _GLIBCXX17_CONSTEXPR on assign.
  40         (std::char_traits<char16_t>, std::char_traits<char32_t>): Add
  41         _GLIBCXX17_CONSTEXPR on assign, compare, find, and length.
  42         * testsuite/21_strings/char_traits/requirements/
  43         constexpr_functions_c++17.cc: New test.
  44
  45 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
  46
  47         PR libstdc++/79141
  48         * include/bits/stl_pair.h (__nonesuch_no_braces): New.
  49         (operator=(typename conditional<
  50         __and_<is_copy_assignable<_T1>,
  51         is_copy_assignable<_T2>>::value,
  52         const pair&, const __nonesuch&>::type)): Change __nonesuch
  53         to __nonesuch_no_braces.
  54         (operator=(typename conditional<
  55         __not_<__and_<is_copy_assignable<_T1>,
  56         is_copy_assignable<_T2>>>::value,
  57         const pair&, const __nonesuch&>::type)): Likewise.
  58         (operator=(typename conditional<
  59         __and_<is_move_assignable<_T1>,
  60         is_move_assignable<_T2>>::value,
  61         pair&&, __nonesuch&&>::type)): Likewise.
  62         * testsuite/20_util/pair/79141.cc: New.
  63
  64 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
  65
  66         Implement std::is_aggregate.
  67         * include/std/type_traits (is_aggregate, is_aggregate_v): New.
  68         * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
  69         New.
  70         * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
  71         * testsuite/20_util/is_aggregate/value.cc: Likewise.
  72
  73 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
  74
  75         Adjust optional's pretty printer for LWG 2900.
  76         * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter.__init__):
  77         Look at the nested payload in case of non-experimental optional.
  78
  79 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
  80
  81         Implement LWG 2900, The copy and move constructors
  82         of optional are not constexpr.
  83         * include/std/optional (_Optional_payload): New.
  84         (_Optional_base): Remove the bool parameter.
  85         (_Optional_base<_Tp, false>): Remove.
  86         (_Optional_base()): Adjust.
  87         (_Optional_base(nullopt_t)): Likewise.
  88         (_Optional_base(in_place_t, _Args&&...)): Likewise.
  89         (_Optional_base(in_place_t, initializer_list<_Up>, _Args&&...)):
  90         Likewise.
  91         (_Optional_base(const _Optional_base&)): Likewise.
  92         (_Optional_base(_Optional_base&&)): Likewise.
  93         (operator=(const _Optional_base&)): Likewise.
  94         (operator=(_Optional_base&&)): Likewise.
  95         (~_Optional_base()): Remove.
  96         (_M_is_engaged()): Adjust.
  97         (_M_get()): Likewise.
  98         (_M_construct(_Args&&...)): Likewise.
  99         (_M_destruct()): Likewise.
 100         (_M_reset()): Likewise.
 101         (_Optional_base::_Empty_byte): Remove.
 102         (_Optional_base::_M_empty): Remove.
 103         (_Optional_base::_M_payload): Adjust.
 104         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
 105         * testsuite/20_util/optional/constexpr/cons/value.cc: Add tests.
 106
 107 2017-03-28  Jonathan Wakely  <jwakely@redhat.com>
 108
 109         PR libstdc++/80137
 110         * include/bits/random.tcc (generate_canonical): Use std::nextafter
 111         or numeric_limits::epsilon() to reduce out-of-range values.
 112         * testsuite/26_numerics/random/uniform_real_distribution/operators/
 113         64351.cc: Verify complexity requirement is met.
 114
 115         * doc/xml/manual/abi.xml: Add xml:id anchor.
 116         * doc/xml/manual/using.xml (manual.intro.using.macros): Document
 117         _GLIBCXX_RELEASE. Link to new anchor for __GLIBCXX__ notes.
 118         (concurrency.io.structure): Add markup.
 119         * doc/html/*: Regenerate.
 120
 121         PR libstdc++/80229
 122         * include/bits/shared_ptr_base.h
 123         (__shared_ptr::_M_enable_shared_from_this_with): Change parameters to
 124         non-const and then use remove_cv to get unqualified type.
 125         * testsuite/20_util/enable_shared_from_this/members/const.cc: Don't
 126         cast away constness on object created const.
 127         * testsuite/20_util/shared_ptr/cons/80229.cc: New test.
 128
 129 2017-03-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
 130
 131         PR libstdc++/80183
 132         * include/bits/stl_tree.h:
 133         (_Rb_tree_header::_M_move_data(_Rb_tree_header&)): Also save _M_color.
 134
 135 2017-03-23  Jonathan Wakely  <jwakely@redhat.com>
 136
 137         * testsuite/23_containers/array/tuple_interface/
 138         tuple_element_debug_neg.cc: Adjust dg-error.
 139         * testsuite/23_containers/list/operations/78389.cc: Fix less-than to
 140         define a valid strict weak ordering.
 141         * testsuite/23_containers/priority_queue/67085.cc: Disable test for
 142         Debug Mode, due to debug checks making extra copies of predicate.
 143         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
 144         Likewise.
 145
 146         * doc/xml/faq.xml: Add link.
 147         * doc/xml/manual/backwards_compatibility.xml: Remove outdated
 148         information on pre-ISO headers. Replace broken link to C++ FAQ Lite.
 149         * doc/xml/manual/io.xml: Update broken link.
 150         * doc/html/*: Regenerate.
 151
 152 2017-03-23  Daniel Kruegler  <daniel.kruegler@gmail.com>
 153
 154         Implement LWG 2686, Why is std::hash specialized for error_code,
 155         but not error_condition?
 156         * include/std/system_error (hash<error_condition>): Define for C++17.
 157         * testsuite/20_util/hash/operators/size_t.cc (hash<error_condition>):
 158         Instantiate test for error_condition.
 159         * testsuite/20_util/hash/requirements/explicit_instantiation.cc
 160         (hash<error_condition>): Instantiate hash<error_condition>.
 161
 162         * include/bits/c++config (_GLIBCXX17_INLINE): Define.
 163         * include/bits/regex_constants.h (All std::regex_constants constants):
 164         Add _GLIBCXX17_INLINE as per P0607R0.
 165         * include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock):
 166         Likewise.
 167         * include/bits/stl_pair.h (piecewise_construct): Likewise.
 168         * include/bits/uses_allocator.h (allocator_arg, uses_allocator_v)
 169         (__is_uses_allocator_constructible_v)
 170         (__is_nothrow_uses_allocator_constructible_v): Likewise.
 171         * include/std/chrono (treat_as_floating_point_v): Likewise.
 172         * include/std/functional (is_bind_expression_v, is_placeholder_v):
 173         Likewise.
 174         * include/std/optional (nullopt): Likewise.
 175         * include/std/ratio (ratio_equal_v, ratio_not_equal_v, ratio_less_v)
 176         ratio_less_equal_v, ratio_greater_v, ratio_greater_equal_v): Likewise.
 177         * include/std/system_error (is_error_code_enum_v)
 178         (is_error_condition_enum_v): Likewise.
 179         * include/std/tuple (tuple_size_v, ignore): Likewise.
 180         (ignore): Declare ignore constexpr as per LWG 2773, declare assignment
 181         constexpr as per LWG 2933.
 182         * include/std/type_traits (All variable templates): Add
 183         _GLIBCXX17_INLINE as per P0607R0.
 184         * include/std/variant (variant_size_v, variant_npos, __index_of_v)
 185         (__tuple_count_v, __exactly_once): Likewise.
 186         * testsuite/18_support/headers/new/synopsis.cc
 187         (hardware_destructive_interference_size)
 188         (hardware_constructive_interference_size): Likewise for commented-out
 189         variables.
 190         * testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new
 191         test function for constexpr std::ignore (LWG 2773).
 192         * testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New
 193         test for LWG 2933.
 194
 195 2017-03-22  Jonathan Wakely  <jwakely@redhat.com>
 196
 197         * include/bits/shared_ptr.h (shared_ptr, weak_ptr): Add deduction
 198         guides for C++17.
 199         * include/bits/std_function.h (function): Likewise.
 200         * include/bits/stl_pair.h (pair): Likewise.
 201         * include/debug/array (__gnu_debug::array): Likewise.
 202         * include/std/array (array): Likewise.
 203         * include/std/functional (make_default_searcher)
 204         (make_boyer_moore_searcher, make_boyer_moore_horspool_searcher):
 205         Remove generator functions.
 206         * include/std/tuple (tuple): Add deduction guides.
 207         * include/std/valarray (valarray): Likewise.
 208         * testsuite/20_util/function_objects/searchers.cc: Adjust to use
 209         class template argument deduction instead of generator functions.
 210         * testsuite/20_util/function/cons/deduction.cc: New test.
 211         * testsuite/20_util/optional/cons/deduction_guide.cc: Rename to ...
 212         * testsuite/20_util/optional/cons/deduction.cc: ... here.
 213         * testsuite/20_util/pair/cons/deduction.cc: New test.
 214         * testsuite/20_util/shared_ptr/cons/deduction.cc: New test.
 215         * testsuite/20_util/tuple/cons/deduction.cc: New test.
 216         * testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error.
 217         * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: New test.
 218         * testsuite/20_util/weak_ptr/cons/deduction.cc: New test.
 219         * testsuite/23_containers/array/cons/deduction.cc: New test.
 220         * testsuite/23_containers/array/cons/deduction_neg.cc: New test.
 221         * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
 222         Adjust dg-error.
 223         * testsuite/23_containers/array/tuple_interface/get_neg.cc: Likewise.
 224         * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
 225         Likewise.
 226         * testsuite/26_numerics/valarray/deduction.cc: New test.
 227         * testsuite/30_threads/lock_guard/cons/deduction.cc: New test.
 228         * testsuite/30_threads/scoped_lock/cons/deduction.cc: New test.
 229         * testsuite/30_threads/unique_lock/cons/deduction.cc: New test.
 230
 231 2017-03-20  François Dumont  <fdumont@gcc.gnu.org>
 232
 233         * include/bits/stl_deque.h (deque): Access allocator value_type only if
 234         concept checks are enabled.
 235         * include/bits/stl_stack.h (stack): Likewise.
 236         * include/bits/stl_vector.h (vector): Likewise.
 237         * include/bits/stl_list.h (list): Likewise and check
 238         _SGIAssignableConcept only in C++03.
 239         * include/bits/stl_map.h (map): Likewise.
 240         * include/bits/stl_set.h (set): Likewise.
 241         * include/bits/stl_multimap.h (multimap): Likewise.
 242         * include/bits/stl_multiset.h (multiset): Likewise.
 243         * include/bits/stl_queue.h (queue, priority_queue): Likewise.
 244
 245 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
 246
 247         * doc/xml/manual/appendix_contributing.xml: Convert link to
 248         ansi.org to https.
 249         Update link to the C++ standard at ansi.org.
 250
 251         * doc/xml/faq.xml: Remove information redundant with the above;
 252         instead add a reference.
 253
 254 2017-03-17  Jonathan Wakely  <jwakely@redhat.com>
 255
 256         * src/c++11/codecvt.cc (range): Add non-type template parameter and
 257         define oerloaded operators for reading and writing code units.
 258         (range<Elem, false>): Define partial specialization for accessing
 259         wide characters in potentially unaligned byte ranges.
 260         (ucs2_span(const char16_t*, const char16_t*, ...))
 261         (ucs4_span(const char16_t*, const char16_t*, ...)): Change parameters
 262         to range<const char16_t, false> in order to avoid unaligned reads.
 263         (__codecvt_utf16_base<char16_t>::do_out)
 264         (__codecvt_utf16_base<char32_t>::do_out)
 265         (__codecvt_utf16_base<wchar_t>::do_out): Use range specialization for
 266         unaligned data to avoid unaligned writes.
 267         (__codecvt_utf16_base<char16_t>::do_in)
 268         (__codecvt_utf16_base<char32_t>::do_in)
 269         (__codecvt_utf16_base<wchar_t>::do_in): Likewise for writes. Return
 270         error if there are unprocessable trailing bytes.
 271         (__codecvt_utf16_base<char16_t>::do_length)
 272         (__codecvt_utf16_base<char32_t>::do_length)
 273         (__codecvt_utf16_base<wchar_t>::do_length): Pass arguments of type
 274         range<const char16_t, false> to span functions.
 275         * testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test.
 276
 277 2017-03-16  Jonathan Wakely  <jwakely@redhat.com>
 278
 279         PR libstdc++/79980
 280         * src/c++11/codecvt.cc (to_integer(codecvt_mode)): Fix target type.
 281
 282         PR libstdc++/80041
 283         * src/c++11/codecvt.cc (__codecvt_utf16_base<wchar_t>::do_out)
 284         (__codecvt_utf16_base<wchar_t>::do_in): Convert char arguments to
 285         char16_t to work with UTF-16 instead of UTF-8.
 286         * testsuite/22_locale/codecvt/codecvt_utf16/80041.cc: New test.
 287
 288         * src/c++11/codecvt.cc (codecvt<char16_t, char, mbstate_t>)
 289         (codecvt<char32_t, char, mbstate_t>, __codecvt_utf8_base<char16_t>)
 290         (__codecvt_utf8_base<char32_t>, __codecvt_utf8_base<wchar_t>)
 291         (__codecvt_utf16_base<char16_t>, __codecvt_utf16_base<char32_t>)
 292         (__codecvt_utf16_base<wchar_t>, __codecvt_utf8_utf16_base<char16_t>)
 293         (__codecvt_utf8_utf16_base<char32_t>)
 294         (__codecvt_utf8_utf16_base<wchar_t>): Fix do_encoding() and
 295         do_max_length() return values.
 296         * testsuite/22_locale/codecvt/codecvt_utf16/members.cc: New test.
 297         * testsuite/22_locale/codecvt/codecvt_utf8/members.cc: New test.
 298         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/members.cc: New test.
 299
 300         PR libstdc++/79980
 301         * include/bits/locale_conv.h (__do_str_codecvt): Set __count on
 302         error path.
 303         * src/c++11/codecvt.cc (operator&=, operator|=, operator~): Overloads
 304         for manipulating codecvt_mode values.
 305         (read_utf16_bom): Compare input to BOM constants instead of integral
 306         constants that depend on endianness.  Take mode parameter by
 307         reference and adjust it, to distinguish between no BOM present and
 308         UTF-16BE BOM present.
 309         (ucs4_in, ucs2_span, ucs4_span): Adjust calls to read_utf16_bom.
 310         (surrogates): New enumeration type.
 311         (utf16_in, utf16_out): Add surrogates parameter to choose between
 312         UTF-16 and UCS2 behaviour.
 313         (utf16_span, ucs2_span): Use std::min not std::max.
 314         (ucs2_out): Use std::min not std::max.  Disallow surrogate pairs.
 315         (ucs2_in): Likewise. Adjust calls to read_utf16_bom.
 316         * testsuite/22_locale/codecvt/codecvt_utf16/79980.cc: New test.
 317         * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: New test.
 318
 319         PR libstdc++/79511
 320         * src/c++11/codecvt.cc (write_utf16_code_point): Don't write 0xffff
 321         as a surrogate pair.
 322         (__codecvt_utf8_utf16_base<char32_t>::do_in): Use native endianness
 323         for internal representation.
 324         (__codecvt_utf8_utf16_base<wchar_t>::do_in): Likewise.
 325         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc: New test.
 326
 327         PR libstdc++/80064
 328         * include/bits/stl_heap.h (__is_heap, push_heap, __adjust_heap)
 329         (pop_heap, make_heap, sort_heap, is_heap_until, is_heap): Cope with
 330         invalid instantiations using function types for _Compare argument.
 331         * testsuite/25_algorithms/make_heap/80064.cc: New test.
 332
 333         PR libstdc++/67440
 334         * python/libstdcxx/v6/printers.py (find_type): Avoid gdb.Type.name
 335         for GDB 7.6 compatibility, use gdb.Type.unqualified instead.
 336
 337 2017-03-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
 338
 339         Implement LWG 2857, {variant,optional,any}::emplace should
 340         return the constructed value.
 341         * include/std/any (emplace(_Args&&...)): Change the return type and
 342         return a reference to the constructed value.
 343         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
 344         * include/std/optional (emplace(_Args&&...)): Likewise.
 345         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
 346         * include/std/variant (emplace<_Tp>(_Args&&...)): Likewise.
 347         (emplace<_Tp>(initializer_list<_Up>, _Args&&...)): Likewise.
 348         (emplace<_Np>(_Args&&...)): Likewise.
 349         (emplace<_Np>(initializer_list<_Up>, _Args&&...)): Likewise.
 350         * testsuite/20_util/any/assign/emplace.cc: Add tests for
 351         checking the return value of emplace.
 352         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
 353         * testsuite/20_util/optional/assignment/6.cc: Add tests for
 354         checking the return value of emplace.
 355         * testsuite/20_util/variant/run.cc: Likewise.
 356
 357 2017-03-15  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
 358
 359         PR libstdc++/62045
 360         * include/ext/pb_ds/qdetail/binary_heap_/binary_heap_.hpp
 361         (is_heap): Remove.
 362         (push_heap): Remove the wrong checking using is_heap.
 363         (make_heap): Remove the assertion using is_heap.
 364         * include/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp
 365         (modify): Ditto.
 366         (resize_for_insert_if_needed): Add PB_DS_ASSERT_VALID after
 367         calling make_heap.
 368
 369 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
 370
 371         PR libstdc++/62045
 372         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
 373         New test.
 374         * testsuite/ext/pb_ds/regression/priority_queues.cc: Fix copy&paste
 375         error in comment.
 376
 377 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
 378
 379         * acinclude.m4 (GLIBCXX_CHECK_S_ISREG_OR_S_IFREG): Fix typo in
 380         comment.
 381         * config.h.in: Regenerate.
 382         * configure: Regenerate.
 383         * doc/Makefile.in: Regenerate.
 384
 385 2017-03-14  Jonathan Wakely  <jwakely@redhat.com>
 386
 387         PR libstdc++/79162
 388         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 389         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Replace
 390         with a constrained template.
 391         [!_GLIBCXX_USE_CXX11_ABI]
 392         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Likewise.
 393         * testsuite/21_strings/basic_string/cons/char/79162.cc: New test.
 394         * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: New test.
 395
 396 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 397
 398         PR libstdc++/80034
 399         * include/bits/list.tcc (merge(list&&)): Use const for the size_t
 400         in the catch-block.
 401         (merge(list&&, _StrictWeakOrdering)): Likewise.
 402         * testsuite/23_containers/list/operations/80034.cc: New.
 403
 404 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 405
 406         Implement LWG 2806, Base class of bad_optional_access.
 407         * include/std/optional (bad_optional_access):
 408         Derive from std::exception.
 409         (bad_optional_access::bad_optional_access): Adjust.
 410         (bad_optional_access::what): New.
 411         (__throw_bad_optional_access(const char*)):
 412         Remove the parameter and adjust calls.
 413         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
 414         * testsuite/20_util/optional/typedefs.cc: Likewise.
 415
 416 2017-03-12  Ville Voutilainen  <ville.voutilainen@gmail.com>
 417
 418         Implement LWG 2934, optional<const T> doesn't compare with T.
 419         * include/std/optional
 420         (operator==(const optional<_Tp>&, const optional<_Tp>&)):
 421         Turn into operator==(const optional<_Tp>&, const optional<_Up>&).
 422         (operator!=(const optional<_Tp>&, const optional<_Tp>&)):
 423         Turn into operator!=(const optional<_Tp>&, const optional<_Up>&).
 424         (operator<(const optional<_Tp>&, const optional<_Tp>&)):
 425         Turn into operator<(const optional<_Tp>&, const optional<_Up>&.
 426         (operator>(const optional<_Tp>&, const optional<_Tp>&)):
 427         Turn into operator>(const optional<_Tp>&, const optional<_Up>&.
 428         (operator<=(const optional<_Tp>&, const optional<_Tp>&)):
 429         Turn into operator<=(const optional<_Tp>&, const optional<_Up>&).
 430         (operator>=(const optional<_Tp>&, const optional<_Tp>&)):
 431         Turn into operator>=(const optional<_Tp>&, const optional<_Up>&).
 432         (operator==(const optional<_Tp>&, const _Tp&)):
 433         Turn into operator==(const optional<_Tp>&, const _Up&).
 434         (operator==(const _Tp&, const optional<_Tp>&)):
 435         Turn into operator==(const _Up&, const optional<_Tp>&).
 436         (operator!=(const optional<_Tp>&, const _Tp&)):
 437         Turn into operator!=(const optional<_Tp>&, const _Up&).
 438         (operator!=(const _Tp&, const optional<_Tp>&)):
 439         Turn into operator!=(const _Up&, const optional<_Tp>&).
 440         (operator<(const optional<_Tp>&, const _Tp&)):
 441         Turn into operator<(const optional<_Tp>&, const _Up&).
 442         (operator<(const _Tp&, const optional<_Tp>&)):
 443         Turn into operator<(const _Up&, const optional<_Tp>&).
 444         (operator>(const optional<_Tp>&, const _Tp&)):
 445         Turn into operator>(const optional<_Tp>&, const _Up&).
 446         (operator>(const _Tp&, const optional<_Tp>&)):
 447         Turn into operator>(const _Up&, const optional<_Tp>&).
 448         (operator<=(const optional<_Tp>&, const _Tp&)):
 449         Turn into operator<=(const optional<_Tp>&, const _Up&).
 450         (operator<=(const _Tp&, const optional<_Tp>&)):
 451         Turn into operator<=(const _Up&, const optional<_Tp>&).
 452         (operator>=(const optional<_Tp>&, const _Tp&)):
 453         Turn into operator>=(const optional<_Tp>&, const _Up&).
 454         (operator>=(const _Tp&, const optional<_Tp>&)):
 455         Turn into operator>=(const _Up&, const optional<_Tp>&).
 456         * testsuite/20_util/optional/relops/7.cc: New.
 457
 458 2017-03-10  Jonathan Wakely  <jwakely@redhat.com>
 459
 460         * testsuite/17_intro/names.cc: Undefine macros that clash with
 461         identifiers in AIX system headers.
 462
 463         * include/bits/invoke.h (__invoke): Use __invoke_result instead of
 464         result_of, and __is_nothrow_invocable instead of
 465         __is_nothrow_callable.
 466         * include/bits/shared_ptr_base.h (__shared_ptr): Use __is_invocable
 467         instead of __is_callable.
 468         * include/std/functional (invoke): use invoke_result_t instead of
 469         result_of_t and is_nothrow_invocable instead of is_nothrow_callable.
 470         (_Not_fn): Use __invoke_result instead of result_of.
 471         * include/std/type_traits (__result_of_memobj, __result_of_memfun):
 472         Remove partial specializations for reference_wrapper types.
 473         (__result_of_impl): Use __inv_unwrap to strip reference_wrapper.
 474         (__invoke_result): Define replacement for result_of and then use it to
 475         define result_of.
 476         (__is_callable_impl, __is_callable, __is_nothrow_callable): Replace
 477         with __is_invocable_impl, __is_invocable, and __is_nothrow_invocable
 478         respectively.
 479         (invoke_result, invoke_result_t): Define for C++17.
 480         (is_callable, is_nothrow_callable): Replace with is_invocable,
 481         is_invocable_r, is_nothrow_invocable, and is_nothrow_invocable_r.
 482         (is_callable_v, is_nothrow_callable_v): Replace with is_invocable_v,
 483         is_invocable_r_v, is_nothrow_invocable_v, and is_nothrow_invocable_r_v.
 484         * include/std/variant (hash<variant<T...>>): Use is_nothrow_invocable_v
 485         instead of is_nothrow_callable_v.
 486         * testsuite/20_util/function_objects/invoke/59768.cc: Remove unused
 487         main function.
 488         * testsuite/20_util/function_objects/not_fn/1.cc: Use is_invocable
 489         instead of is_callable.
 490         * testsuite/20_util/is_callable/*: Rename directory and adjust tests
 491         to use new traits.
 492         * testsuite/20_util/is_nothrow_callable/*: Likewise.
 493         * testsuite/20_util/optional/hash.cc: Use is_invocable_v instead of
 494         is_callable.
 495         * testsuite/20_util/variant/hash.cc: Likewise.
 496
 497 2017-03-10  George Lander  <george.lander@arm.com>
 498
 499         * acinclude.m4 (glibcxx_cv_obsolete_isnan): Define
 500         _GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h.
 501         * configure: Regenerate.
 502
 503 2017-03-09  Jonathan Wakely  <jwakely@redhat.com>
 504
 505         * include/std/functional (_Not_fn): Define macro to simplify
 506         repetitive function definitions.
 507
 508         * doc/xml/manual/status_cxx2017.xml: Document std::byte support.
 509         * include/c_global/cstddef (std::byte): Define for C++17.
 510         * testsuite/18_support/byte/global_neg.cc: New test.
 511         * testsuite/18_support/byte/ops.cc: New test.
 512         * testsuite/18_support/byte/requirements.cc: New test.
 513
 514 2017-03-05  Jonathan Wakely  <jwakely@redhat.com>
 515
 516         * doc/xml/manual/status_cxx2017.xml: Document P0156R2 status.
 517         * doc/html/*: Regenerate.
 518         * include/std/mutex (scoped_lock): Implement new C++17 template.
 519         * testsuite/30_threads/scoped_lock/cons/1.cc: New test.
 520         * testsuite/30_threads/scoped_lock/requirements/
 521         explicit_instantiation.cc: New test.
 522         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: New test.
 523
 524 2017-03-02  Gerald Pfeifer  <gerald@pfeifer.com>
 525             François Dumont  <frs.dumont@gmail.com>
 526             Jonathan Wakely  <jwakely@redhat.com>
 527
 528         * doc/xml/manual/debug_mode.xml: Update and simplify note
 529         on link- and run-time coexistence.
 530
 531 2017-03-02  Jonathan Wakely  <jwakely@redhat.com>
 532
 533         * testsuite/17_intro/headers/names.cc: Rename to ...
 534         * testsuite/17_intro/names.cc: ... here.
 535
 536         PR libstdc++/79789
 537         * include/bits/hashtable_policy.h (__clp2): Use reserved names for
 538         parameters and local variables.
 539         * include/bits/ios_base.h (make_error_code, make_error_condition):
 540         Likewise.
 541         * include/bits/list.tcc (list::sort): Likewise.
 542         * include/bits/mask_array.h (mask_array): Likewise.
 543         * include/bits/regex.h (regex_token_iterator): Likewise.
 544         * include/bits/slice_array.h (slice_array): Likewise.
 545         * include/bits/stl_algo.h (__sample): Likewise.
 546         * include/std/memory (undeclare_no_pointers): Likewise.
 547         * include/std/type_traits (is_callable_v, is_nothrow_callable_v):
 548         Likewise.
 549         * libsupc++/exception_ptr.h (__dest_thunk): Likewise.
 550         * testsuite/17_intro/headers/names.cc: New test.
 551
 552         PR libstdc++/79798
 553         * include/std/functional (bind::_Res_type_impl): Fix incorrect use of
 554         result_of that loses top-level cv-qualifiers.
 555         * testsuite/20_util/bind/79798.cc: New test.
 556
 557 2017-03-01  Gerald Pfeifer  <gerald@pfeifer.com>
 558
 559         * doc/xml/manual/documentation_hacking.xml: Tweak link to
 560         doxygen.org.
 561
 562 2017-02-23  Jonathan Wakely  <jwakely@redhat.com>
 563
 564         * include/experimental/iterator: Include <iterator>.
 565         * testsuite/experimental/iterator/requirements.cc: Check for contents
 566         of <iterator>.
 567
 568 2017-02-19  Dinka Ranns  <dinka.ranns@googlemail.com>
 569
 570         C++17 GB50 resolution
 571         * include/std/chrono (duration::operator++()): Add
 572         _GLIBCXX17_CONSTEXPR.
 573         (duration::operator++(int)): Likewise.
 574         (duration::operator--()): Likewise.
 575         (duration::operator--(int)): Likewise.
 576         (duration::operator+=(const duration&)): Likewise.
 577         (duration::operator-=(const duration&)): Likewise.
 578         (duration::operator*=(const rep&)): Likewise.
 579         (duration::operator/=(const rep&)): Likewise.
 580         (duration::operator%=(const rep&)): Likewise.
 581         (duration::operator%=(const duration&)): Likewise.
 582         (time_point::operator+=(const duration&)): Likewise.
 583         (time_point::operator-=(const duration&)): Likewise.
 584         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: New test.
 585         * testsuite/20_util/duration/literals/range.cc: Adjust dg-error.
 586         * testsuite/20_util/time_point/arithmetic/constexpr.cc: New test.
 587
 588 2017-02-19  Gerald Pfeifer  <gerald@pfeifer.com>
 589
 590         * doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer.
 591
 592 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
 593
 594         * doc/xml/manual/io.xml: Update link to groups.google.com.
 595         Tweak link description.
 596
 597 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
 598
 599         * doc/xml/manual/profile_mode.xml: Fix link.
 600
 601 2017-02-16  Gerald Pfeifer  <gerald@pfeifer.com>
 602
 603         * doc/xml/manual/policy_data_structures.xml: Simplify and
 604         standardize references to boost.org.
 605         * doc/xml/manual/policy_data_structures_biblio.xml: Ditto.
 606         * doc/xml/manual/shared_ptr.xml: Ditto.
 607
 608 2017-02-16  Jonathan Wakely  <jwakely@redhat.com>
 609
 610         PR libstdc++/60936
 611         * src/c++11/snprintf_lite.cc (__concat_size_t): Calculate length
 612         written to buffer, not length remaining in buffer.
 613
 614 2017-02-15  Tim Shen  <timshen@google.com>
 615
 616         PR libstdc++/78723
 617         * include/std/variant (operator<(), operator>(), operator<=(),
 618         operator>=(), operator==(), operator!=()): Implement P0393R3.
 619         * testsuite/20_util/variant/compile.cc: Adjust tests.
 620         * testsuite/20_util/variant/run.cc: Adjust tests.
 621
 622 2017-02-15  Tim Shen  <timshen@google.com>
 623
 624         PR libstdc++/79513
 625         * include/std/variant (visit()): Forward variant types to the return
 626         type detection code.
 627         * testsuite/20_util/variant/compile.cc: Add test cases.
 628
 629 2017-02-13  H.J. Lu  <hongjiu.lu@intel.com>
 630
 631         PR libstdc++/79348
 632         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
 633
 634 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
 635
 636         PR libstdc++/79348
 637         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
 638         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Likewise.
 639         * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Likewise.
 640         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Likewise.
 641         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Likewise.
 642         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Likewise.
 643         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Likewise.
 644         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Likewise.
 645         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Likewise.
 646
 647 2017-02-13  Jonathan Wakely  <jwakely@redhat.com>
 648
 649         PR libstdc++/79486
 650         * include/std/future (__future_base::_Task_state::_M_run)
 651         (__future_base::_Task_state::_M_run_delayed): Use lvalue types in
 652         result_of expressions.
 653         * testsuite/30_threads/packaged_task/79486.cc: New.
 654
 655 2017-02-11  Jonathan Wakely  <jwakely@redhat.com>
 656
 657         PR libstdc++/79467
 658         * include/bits/shared_ptr_base.h (__shared_ptr(_Yp*, _Deleter))
 659         (__shared_ptr(_Yp*, _Deleter, _Alloc)): Use lvalue types in
 660         __is_callable check.
 661         * testsuite/20_util/shared_ptr/cons/79467.cc: New.
 662
 663         * include/bits/atomic_base.h: Re-indent.
 664
 665 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
 666
 667         * doc/xml/manual/profile_mode.xml: Update a paper reference.
 668
 669 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 670
 671         * src/c++11/snprintf_lite.cc (__err): Use https for bug reporting.
 672
 673 2017-02-08  Jonathan Wakely  <jwakely@redhat.com>
 674
 675         * doc/xml/manual/policy_data_structures.xml: Fix spelling of author's
 676         name.
 677         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise. Remove
 678         broken links to texts that are no longer online.
 679         * doc/xml/manual/profile_mode.xml: Update links to CGO 2009 paper and
 680         LCPC 2006 paper.
 681         * doc/xml/manual/using.xml: Update links to memory model information.
 682         * doc/xml/manual/using_exceptions.xml: Update link to "Appendix E:
 683         Standard-Library Exception Safety".
 684         * doc/html/*: Regenerate.
 685
 686 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 687
 688         * doc/xml/manual/profile_mode.xml: Unbreak link to
 689         "Optimizing Sorting with Machine Learning Algorithms".
 690
 691 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 692
 693         * src/c++11/snprintf_lite.cc (__err): Update bug reporting URL.
 694
 695 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
 696
 697         * doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++
 698         Migration Guide".
 699
 700 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
 701
 702         * doc/html/ext/lwg-active.html: Remove.
 703         * doc/html/ext/lwg-closed.html: Ditto.
 704         * doc/html/ext/lwg-defects.html: Ditto.
 705
 706         * doc/Makefile.am (xml_extradir): Remove.
 707         (xml_extra): Ditto.
 708         (stamp-html-docbook-lwg): Remove recipe...
 709         (stamp-html-docbook-data): ...and its use here.
 710         * doc/Makefile.in: Regenerate.
 711
 712         * doc/xml/manual/intro.xml: Shorten two paragraphs explaining
 713         the relationship to the upstream working group.
 714         Replace a local link to ../ext/lwg-active.html by the upstream one.
 715         Replace all reference to ../ext/lwg-defects.html by a new entity
 716         &DR; which refers to the upstream address.
 717
 718 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
 719
 720         * doc/xml/manual/status_cxx2017.xml: Fix link to N4284.
 721
 722 2017-02-06  Jonathan Wakely  <jwakely@redhat.com>
 723
 724         PR libstdc++/79323
 725         * testsuite/20_util/duration/literals/range.cc: Prune extra output
 726         at -O0.
 727
 728 2017-02-06  Gerald Pfeifer  <gerald@pfeifer.com>
 729
 730         * doc/xml/manual/documentation_hacking.xml: Update URL of the
 731         DocBook Element Reference.  Use that term as link description
 732         instead of "online".
 733         epubcheck has moved to GitHub.
 734         Remove obsolete link to DocBook Publishing Tools.
 735
 736 2017-02-03  Jonathan Wakely  <jwakely@redhat.com>
 737
 738         PR libstdc++/66145
 739         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Restore ABI override
 740         so new ios::failure can be caught even when old ABI is the default.
 741         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
 742         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
 743         exceptions_failbit.cc: Likewise.
 744         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
 745         exceptions_failbit.cc: Likewise.
 746         * testsuite/27_io/basic_istream/extractors_other/char/
 747         exceptions_null.cc: Likewise.
 748         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
 749         exceptions_null.cc: Likewise.
 750         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
 751         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
 752         * testsuite/27_io/basic_ostream/inserters_other/char/
 753         exceptions_null.cc: Likewise.
 754         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
 755         exceptions_null.cc: Likewise.
 756         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
 757
 758         PR libstdc++/60936
 759         * src/c++11/Makefile.am: Add new files.
 760         * src/c++11/Makefile.in: Regenerate.
 761         * src/c++11/cow-string-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
 762         (operator<<, operator>>, getline): Move explicit instantiations to ...
 763         * src/c++11/cow-string-io-inst.cc: ... new file.
 764         * src/c++11/cow-wstring-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
 765         (operator<<, operator>>, getline): Move explicit instantiations to ...
 766         * src/c++11/cow-wstring-io-inst.cc: ... new file.
 767         * src/c++11/functexcept.cc (__throw_ios_failure, __throw_system_error)
 768         (__throw_future_error, __throw_bad_function_call):
 769         (__throw_regex_error): Move functions for C++11 exceptions to the
 770         files that define the exception types.
 771         * src/c++11/functional.cc (__throw_bad_function_call): Move here.
 772         * src/c++11/future.cc (__throw_future_error): Likewise.
 773         * src/c++11/ios.cc (__throw_ios_failure): Likewise.
 774         * src/c++11/regex.cc (__throw_regex_error): Likewise.
 775         * src/c++11/snprintf_lite.cc (__concat_size_t): Print decimal
 776         representation directly instead of calling __int_to_char.
 777         * src/c++11/sso_string.cc (__sso_string): New file for definition
 778         of __sso_string type.
 779         * src/c++11/string-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
 780         explicit instantiations of narrow string I/O functions.
 781         * src/c++11/system_error.cc (__throw_system_error): Move here.
 782         (__sso_string): Move to new file.
 783         * src/c++11/wstring-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
 784         explicit instantiations of wide string I/O functions.
 785         * src/c++98/misc-inst.cc [_GLIBCXX_USE_CXX11_ABI] (operator<<)
 786         (operator>>, getline): Remove explicit instantiations from here.
 787
 788 2017-02-02  H.J. Lu  <hongjiu.lu@intel.com>
 789
 790         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
 791
 792 2017-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 793
 794         * configure.host: Separate Solaris/SPARC and x86 baselines.
 795         * config/abi/post/solaris2.10/baseline_symbols.txt: Move ...
 796         * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: ... here.
 797         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Move ...
 798         * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
 799         ... here.
 800         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Move ...
 801         * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: ... here.
 802         * config/abi/post/i386-solaris2.10/baseline_symbols.txt: New file.
 803         * config/abi/post/solaris2.11/baseline_symbols.txt: Move ...
 804         * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: ... here.
 805         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Move ...
 806         * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
 807         ... here.
 808         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Move ...
 809         * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: ... here.
 810         * config/abi/post/i386-solaris2.11/baseline_symbols.txt: New file.
 811
 812         * config/abi/post/solaris2.10/baseline_symbols.txt: Regenerate.
 813         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
 814         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.
 815         * config/abi/post/solaris2.11/baseline_symbols.txt: Likewise.
 816         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Likewise.
 817         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Likewise.
 818
 819 2017-02-01  Jonathan Wakely  <jwakely@redhat.com>
 820
 821         PR libstdc++/78346
 822         * include/bits/predefined_ops.h (_Iter_equals_iter): Store iterator
 823         not its referent.
 824         (_Iter_comp_to_iter): Likewise.
 825         * testsuite/25_algorithms/search/78346.cc: New test.
 826
 827         PR libstdc++/79254
 828         * config/abi/pre/gnu.ver: Remove recently added symbols.
 829         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 830         (basic_string::_M_copy_assign): Remove.
 831         (basic_string::operator=(const basic_string&)): Don't dispatch to
 832         _M_copy_assign. If source object is small just deallocate, otherwise
 833         perform new allocation before making any changes.
 834         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
 835         (basic_string::_M_copy_assign(const basic_string&, true_type)):
 836         Remove.
 837         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
 838         Test cases where the allocators are equal or the string is small.
 839         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
 840         Likewise.
 841
 842 2017-01-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
 843
 844         Implement LWG 2825, LWG 2756 breaks class template argument
 845         deduction for optional.
 846         * include/std/optional: Add a deduction guide.
 847         * testsuite/20_util/optional/cons/deduction_guide.cc: New.
 848
 849 2017-01-27  Jonathan Wakely  <jwakely@redhat.com>
 850
 851         PR libstdc++/79254
 852         * config/abi/pre/gnu.ver: Add new symbols.
 853         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 854         (basic_string::_M_copy_assign): New overloaded functions to perform
 855         copy assignment.
 856         (basic_string::operator=(const basic_string&)): Dispatch to
 857         _M_copy_assign.
 858         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
 859         (basic_string::_M_copy_assign(const basic_string&, true_type)):
 860         Define, performing rollback on exception.
 861         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
 862         Test exception-safety guarantee.
 863         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
 864         Likewise.
 865         * testsuite/util/testsuite_allocator.h (uneq_allocator::swap): Make
 866         std::swap visible.
 867
 868 2017-01-26  Jonathan Wakely  <jwakely@redhat.com>
 869
 870         PR libstdc++/70607
 871         * include/tr1/complex (conj): Remove using-declaration and restore
 872         overloads, reverting previous change.
 873
 874         * testsuite/23_containers/list/operations/78389.cc: Fix for C++11
 875         mode.
 876         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
 877         Mark as unsupported in C++98 mode.
 878         * testsuite/23_containers/queue/requirements/constructible.cc:
 879         Likewise.
 880         * testsuite/23_containers/stack/requirements/constructible.cc:
 881         Likewise.
 882         * testsuite/25_algorithms/make_heap/movable.cc: Fix for C++11 mode.
 883
 884         PR libstdc++/79243
 885         * include/bits/c++config (literals::string_view_literals::__7): Add.
 886         Only declare versioned namespaces for the relevant C++ dialects.
 887         * include/experimental/bits/erase_if.h (fundamentals_v2::__detail):
 888         Add versioning macros.
 889         * include/experimental/bits/lfts_config.h:
 890         (fundamentals_v1::__detail::__7, fundamentals_v2::__detail::__7): Add.
 891         * include/experimental/string_view (fundamentals_v2::__detail):
 892         Add versioning macros.
 893         (fundamentals_v2::__detail::__identity): Remove.
 894         (fundamentals_v2::__detail::__idt): Use common_type instead of
 895         __detail::__identity.
 896         * include/std/string_view (__detail::__identity, __detail::__idt):
 897         Likewise.
 898         (literals::string_view_literals): Fix nesting of versioning macros.
 899
 900         PR libstdc++/79190
 901         * libsupc++/del_opa.cc (operator delete(void*, std::align_val_t))
 902         [!_GLIBCXX_HAVE_ALIGNED_ALLOC && !_GLIBCXX_HAVE_POSIX_MEMALIGN
 903         && !_GLIBCXX_HAVE_MEMALIGN && !_GLIBCXX_HAVE__ALIGNED_MALLOC]:
 904         Retrieve original pointer value allocated by malloc.
 905         * libsupc++/new_opa.cc [!_GLIBCXX_HAVE_ALIGNED_ALLOC
 906         && !_GLIBCXX_HAVE_POSIX_MEMALIGN && !_GLIBCXX_HAVE_MEMALIGN
 907         && !_GLIBCXX_HAVE__ALIGNED_MALLOC] (aligned_alloc(size_t, size_t)):
 908         Define, adjusting pointer value allocated by malloc and storing for
 909         retrieval by operator delete.
 910
 911 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
 912
 913         * libsupc++/eh_atomics.h: Update copyright years.
 914         * testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years.
 915
 916 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
 917
 918         PR libstdc++/61791
 919         PR libstdc++/70607
 920         * include/std/complex (real(T), imag(T)): Add _GLIBCXX_CONSTEXPR.
 921         (proj(T), conj(T)): Change return types per DR 1522.
 922         * include/tr1/complex (conj): Remove overloads and use std::conj.
 923         * testsuite/26_numerics/complex/dr781_dr1137.cc: Rename to...
 924         * testsuite/26_numerics/complex/dr781.cc: ... this, and update.
 925         * testsuite/26_numerics/complex/value_operations/constexpr2.cc: Test
 926         real(T) and imag(T). Allow testing for C++11 too.
 927
 928 2017-01-24  Jonathan Wakely  <jwakely@redhat.com>
 929
 930         PR libstdc++/79206
 931         * include/experimental/string_view (operator==): Check sizes first.
 932         * include/std/string_view (operator==): Likewise.
 933
 934 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
 935
 936         * testsuite/experimental/array/make_array.cc: Restore <functional>
 937         inclusion.
 938
 939 2017-01-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 940
 941         * testsuite/29_atomics/atomic/69301.cc: Require atomic builtins.
 942
 943 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
 944
 945         PR libstdc++/79195
 946         * include/experimental/array (__make_array_elem): New class template
 947         and partial specialization.
 948         (__is_reference_wrapper): Move into __make_array_elem specialization.
 949         (make_array): Use __make_array_elem to determine element type and move
 950         static assertion into specialization. Qualify std::forward call.
 951         (to_array): Add exception specifiation.
 952         * testsuite/experimental/array/make_array.cc: Test argument types
 953         without a common type.
 954         * testsuite/experimental/array/neg.cc: Adjust expected error message.
 955
 956 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
 957
 958         * doc/xml/manual/debug.xml: code.google.com uses https now.
 959
 960 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
 961
 962         * doc/xml/manual/test.xml: Fix link into gccint online manual.
 963
 964 2017-01-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
 965
 966         Make poisoned hashes SFINAE away the call operator of the hash.
 967         * include/bits/functional_hash.h
 968         (__poison_hash::__enable_hash_call): New.
 969         * include/std/optional (__optional_hash_call_base): New.
 970         (hash<optional<_Tp>>): Derive from the new base,
 971         move the hash function into that base.
 972         * include/std/variant (__variant_hash_call_base_impl): New.
 973         (__variant_hash_call_base): Likewise.
 974         (hash<variant<_Types...>>): Derive from the new base,
 975         move the hash function into that base.
 976         * testsuite/20_util/optional/hash.cc: Add tests for is_callable.
 977         * testsuite/20_util/variant/hash.cc: Likewise.
 978
 979 2017-01-20  Joe Seymour  <joe.s@somniumtech.com>
 980
 981         * acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t.
 982         * configure: Regenerate.
 983
 984 2017-01-20  Jonathan Wakely  <jwakely@redhat.com>
 985
 986         PR libstdc++/69240
 987         * include/bits/random.h (uniform_real_distribution::param_type)
 988         (normal_distribution::param_type, lognormal_distribution::param_type)
 989         (gamma_distribution::param_type, chi_squared_distribution::param_type)
 990         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
 991         (student_t_distribution::param_type)
 992         (bernoulli_distribution::param_type, binomial_distribution::param_type)
 993         (geometric_distribution::param_type)
 994         (negative_binomial_distribution::param_type)
 995         (poisson_distribution::param_type)
 996         (exponential_distribution::param_type)
 997         (weibull_distribution::param_type)
 998         (extreme_value_distribution::param_type)
 999         (discrete_distribution::param_type)
1000         (piecewise_constant_distribution::param_type)
1001         (piecewise_linear_distribution::param_type): Define operator!=.
1002         * include/bits/uniform_int_dist.h
1003         (uniform_int_distribution::param_type): Likewise.
1004         * include/ext/random (beta_distribution::param_type)
1005         (rice_distribution::param_type, nakagami_distribution::param_type)
1006         (pareto_distribution::param_type, k_distribution::param_type)
1007         (arcsine_distribution::param_type, hoyt_distribution::param_type)
1008         (triangular_distribution::param_type)
1009         (von_mises_distribution::param_type)
1010         (hypergeometric_distribution::param_type)
1011         (logistic_distribution::param_type)
1012         (uniform_on_sphere_distribution::param_type)
1013         (uniform_inside_sphere_distribution::param_type): Likewise.
1014         * testsuite/26_numerics/random/bernoulli_distribution/cons/parms.cc:
1015         Test construction with param_type.
1016         * testsuite/26_numerics/random/binomial_distribution/cons/parms.cc:
1017         Likewise.
1018         * testsuite/26_numerics/random/cauchy_distribution/cons/parms.cc:
1019         Likewise.
1020         * testsuite/26_numerics/random/chi_squared_distribution/cons/parms.cc:
1021         Likewise.
1022         * testsuite/26_numerics/random/exponential_distribution/cons/parms.cc:
1023         Likewise.
1024         * testsuite/26_numerics/random/extreme_value_distribution/cons/
1025         parms.cc: Likewise.
1026         * testsuite/26_numerics/random/fisher_f_distribution/cons/parms.cc:
1027         Likewise.
1028         * testsuite/26_numerics/random/gamma_distribution/cons/parms.cc:
1029         Likewise.
1030         * testsuite/26_numerics/random/geometric_distribution/cons/parms.cc:
1031         Likewise.
1032         * testsuite/26_numerics/random/lognormal_distribution/cons/parms.cc:
1033         Likewise.
1034         * testsuite/26_numerics/random/negative_binomial_distribution/cons/
1035         parms.cc: Likewise.
1036         * testsuite/26_numerics/random/normal_distribution/cons/parms.cc:
1037         Likewise.
1038         * testsuite/26_numerics/random/poisson_distribution/cons/parms.cc:
1039         Likewise.
1040         * testsuite/26_numerics/random/student_t_distribution/cons/parms.cc:
1041         Likewise.
1042         * testsuite/26_numerics/random/uniform_int_distribution/cons/parms.cc:
1043         Likewise.
1044         * testsuite/26_numerics/random/uniform_real_distribution/cons/parms.cc:
1045         Likewise.
1046         * testsuite/26_numerics/random/weibull_distribution/cons/parms.cc:
1047         Likewise.
1048         * testsuite/ext/random/arcsine_distribution/cons/parms.cc: Likewise.
1049         * testsuite/ext/random/beta_distribution/cons/parms.cc: Likewise.
1050         * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
1051         * testsuite/ext/random/hypergeometric_distribution/cons/parms.cc:
1052         Likewise.
1053         * testsuite/ext/random/k_distribution/cons/parms.cc: Likewise.
1054         * testsuite/ext/random/logistic_distribution/cons/parms.cc: Likewise.
1055         * testsuite/ext/random/nakagami_distribution/cons/parms.cc: Likewise.
1056         * testsuite/ext/random/normal_mv_distribution/cons/parms.cc: Likewise.
1057         * testsuite/ext/random/pareto_distribution/cons/parms.cc: Likewise.
1058         * testsuite/ext/random/rice_distribution/cons/parms.cc: Likewise.
1059         * testsuite/ext/random/triangular_distribution/cons/parms.cc:
1060         Likewise.
1061         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/
1062         parms.cc: Likewise.
1063         * testsuite/ext/random/von_mises_distribution/cons/parms.cc: Likewise.
1064
1065         PR libstdc++/72792
1066         * include/bits/alloc_traits.h (__allocator_traits_base::__diff_type)
1067         (__allocator_traits_base::__size_type): Remove.
1068         (allocator_traits::_Ptr): New class template to detect const and void
1069         pointer types without instantiating pointer_traits::rebind
1070         unnecessarily.
1071         (allocator_traits::_Diff): Likewise for detecting difference_type.
1072         (allocator_traits::_Size): New class template to detect size_type
1073         without instantiating make_unsigned unnecessarily.
1074         * include/bits/ptr_traits.h (pointer_traits::element_type): Use
1075         __detected_or_t instead of __detected_or_t_.
1076         * include/std/type_traits (__detected_or_t_): Remove.
1077         * testsuite/20_util/allocator_traits/members/pointers.cc: New test.
1078
1079         PR libstdc++/72792
1080         PR libstdc++/72793
1081         * include/bits/alloc_traits.h (__allocator_traits_base::__rebind):
1082         Replace with class template using void_t.
1083         (__alloc_rebind): Define in terms of
1084         __allocator_traits_base::__rebind.
1085         (allocator_traits): Remove unconditional static_assert for
1086         rebind_alloc.
1087         * include/bits/ptr_traits.h (__replace_first_arg): Remove type member.
1088         (pointer_traits::__rebind): Replace with class template using void_t.
1089         (pointer_traits::rebind): Define in terms of __rebind.
1090         (pointer_traits): Remove unconditional static_assert for rebind.
1091         * testsuite/20_util/allocator_traits/members/rebind_alloc.cc: New test.
1092         * testsuite/20_util/pointer_traits/rebind.cc: New test.
1093
1094         PR libstdc++/69321
1095         * include/experimental/any (__any_caster): Avoid instantiating
1096         manager function for types that can't be stored in any.
1097         * include/std/any (__any_caster): Likewise.
1098         * testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
1099         * testsuite/experimental/any/misc/any_cast.cc: Likewise.
1100
1101         PR libstdc++/64903
1102         * include/bits/stl_algo.h (is_partitioned): Use increment instead of
1103         std::advance.
1104
1105 2017-01-19  Jonathan Wakely  <jwakely@redhat.com>
1106
1107         PR libstdc++/79156
1108         * include/bits/shared_ptr_base.h (__enable_shared_from_this_base):
1109         Fix return type.
1110         (__enable_shared_from_this): Declare __shared_ptr as a friend.
1111         * testsuite/ext/shared_ptr/1.cc: New test.
1112
1113         PR libstdc++/64903
1114         * include/bits/stl_algo.h (is_partitioned): Don't retest the partition
1115         point.
1116         * testsuite/25_algorithms/is_partitioned/2.cc: New test.
1117
1118         * doc/xml/manual/abi.xml: Fix typo.
1119         * doc/html/manual/abi.html: Likewise.
1120
1121         PR libstdc++/67085
1122         * include/bits/predefined_ops.h (_Iter_less_val, _Val_less_iter): Add
1123         converting constructors from _Iter_less_iter.
1124         (_Iter_comp_val, _Val_comp_iter): Add converting constructors from
1125         _Iter_comp_iter.
1126         (__iter_comp_val(_Iter_comp_iter<C>): Use converting constructor.
1127         (__val_comp_iter(_Iter_comp_iter<C>): Likewise.
1128         * include/bits/stl_heap.h (__is_heap_until, __push_heap, __pop_heap)
1129         (__make_heap, __sort_heap): Change _Compare parameters to references.
1130         (__is_heap, push_heap, __adjust_heap, __pop_heap, pop_heap)
1131         (__make_heap, make_heap, sort_heap, is_heap_until): Pass comparison
1132         functions as lvalues.
1133         (is_heap): Call __is_heap_until directly to avoid copying __comp.
1134         * testsuite/23_containers/priority_queue/67085.cc: Adjust test to
1135         count copies during construction with empty sequence.
1136
1137         PR libstdc++/67085
1138         * include/bits/stl_heap.h (__is_heap): Use _GLIBCXX_MOVE.
1139         (__make_heap, __sort_heap): Don't use _GLIBCXX_MOVE inside loops.
1140         * testsuite/23_containers/priority_queue/67085.cc: Adjust expected
1141         number of copies.
1142         * testsuite/25_algorithms/make_heap/movable.cc: New test.
1143
1144         PR libstdc++/67085
1145         * include/bits/stl_heap.h (push_heap, __adjust_heap, __pop_heap)
1146         (pop_heap, __make_heap, make_heap, __sort_heap, sort_heap): Use
1147         _GLIBCXX_MOVE when passing comparison function to other functions.
1148         (is_heap_until, is_heap): Use std::move when passing comparison
1149         function.
1150         * testsuite/23_containers/priority_queue/67085.cc: New test.
1151
1152         PR libstdc++/78905
1153         * doc/xml/manual/abi.xml (abi.versioning.history): Add markup to
1154         macro names, filenames, and literal values. Document _GLIBCXX_RELEASE.
1155         Document that the deprecated _GLIBCXX_VERSION macro was removed for
1156         the 4.0.0 release.
1157         * doc/html/*: Regenerate.
1158         * include/Makefile.am (_GLIBCXX_RELEASE): Set value.
1159         * include/Makefile.in: Regenerate.
1160         * include/bits/c++config (_GLIBCXX_RELEASE): Add #define.
1161         * testsuite/ext/profile/mutex_extensions_neg.cc: Use lineno of 0 in
1162         dg-error.
1163
1164 2017-01-18  Jonathan Wakely  <jwakely@redhat.com>
1165
1166         PR libstdc++/69301
1167         * include/std/atomic (atomic<T>::load, atomic<T>::exchange): Use
1168         aligned buffer instead of default-initialized variable.
1169         * testsuite/29_atomics/atomic/69301.cc: New test.
1170         * include/experimental/memory (observer_ptr::release): Use reserved
1171         name.
1172         * include/ext/pointer.h (_Pointer_adapter::operator++(int))
1173         (_Pointer_adapter::operator--(int)): Likewise.
1174
1175         PR libstdc++/68925
1176         * include/experimental/random (randint): Use temporary instead of
1177         thread_local static.
1178
1179 2017-01-17  Joshua Conner  <joshconner@google.com>
1180
1181         * crossconfig.m4: Add fuchsia OS.
1182         * configure: Regenerate.
1183
1184 2017-01-17  Jonathan Wakely  <jwakely@redhat.com>
1185
1186         PR libstdc++/69699
1187         * doc/xml/manual/abi.xml (abi.versioning.history): Explain why the
1188         __GLIBCXX__ macro is not useful. Remove redundant date information
1189         and link to the GCC release timeline.
1190         (abi.versioning.active): Move partial sentence into the previous
1191         paragraph.
1192         * doc/html/*: Regenerate.
1193
1194         PR libstdc++/79114
1195         * libsupc++/nested_exception.h (throw_with_nested): Use decay instead
1196         of remove_reference.
1197         * testsuite/18_support/nested_exception/79114.cc: New test.
1198
1199 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
1200
1201         PR other/79046
1202         * configure.ac: Add GCC_BASE_VER.
1203         * fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
1204         get version from BASE-VER file.
1205         * po/Makefile.in: Regenerated.
1206         * libsupc++/Makefile.in: Regenerated.
1207         * testsuite/Makefile.in: Regenerated.
1208         * src/Makefile.in: Regenerated.
1209         * configure: Regenerated.
1210         * Makefile.in: Regenerated.
1211         * include/Makefile.in: Regenerated.
1212         * doc/Makefile.in: Regenerated.
1213         * python/Makefile.in: Regenerated.
1214         * src/c++11/Makefile.in: Regenerated.
1215         * src/c++98/Makefile.in: Regenerated.
1216         * src/filesystem/Makefile.in: Regenerated.
1217
1218 2017-01-16  Jonathan Wakely  <jwakely@redhat.com>
1219
1220         PR libstdc++/66145
1221         * src/c++11/functexcept.cc: Use new ABI for std::ios_base::failure
1222         exceptions.
1223         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Don't override ABI
1224         for test, so new ios::failure can be caught.
1225         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1226         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1227         exceptions_failbit.cc: Likewise.
1228         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1229         exceptions_failbit.cc: Likewise.
1230         * testsuite/27_io/basic_istream/extractors_other/char/
1231         exceptions_null.cc: Likewise.
1232         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1233         exceptions_null.cc: Likewise.
1234         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1235         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1236         * testsuite/27_io/basic_ostream/inserters_other/char/
1237         exceptions_null.cc: Likewise.
1238         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1239         exceptions_null.cc: Likewise.
1240         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1241
1242         PR libstdc++/78702
1243         * include/bits/locale_classes.h (locale::facet::__shim): Change from
1244         private to protected.
1245         * src/c++11/cxx11-shim_facets.cc (__shim_accessor): Define helper to
1246         make locale::facet::__shim accessible.
1247
1248 2017-01-16  Ville Voutilainen  <ville.voutilainen@gmail.com>
1249
1250         PR libstdc++/78389
1251         * include/bits/list.tcc (merge(list&&)): Fix backwards size adjustments.
1252         (merge(list&&, _StrictWeakOrdering)): Likewise.
1253         * testsuite/23_containers/list/operations/78389.cc: Add
1254         better test for the sizes.
1255
1256 2017-01-14  Jonathan Wakely  <jwakely@redhat.com>
1257
1258         * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
1259         Skip test when -D_GLIBCXX_PROFILE mode is included in options.
1260         * testsuite/23_containers/map/modifiers/extract.cc: Likewise.
1261         * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
1262         Likewise.
1263         * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
1264         * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
1265         * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
1266         * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
1267         * testsuite/23_containers/unordered_map/modifiers/extract.cc:
1268         Likewise.
1269         * testsuite/23_containers/unordered_multimap/modifiers/extract.cc::
1270         Likewise.
1271         * testsuite/23_containers/unordered_multiset/modifiers/extract.cc::
1272         Likewise.
1273         * testsuite/23_containers/unordered_set/modifiers/extract.cc:
1274         Likewise.
1275         * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
1276         Likewise.
1277         * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
1278         * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
1279         * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1280         * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1281         * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1282         * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1283         * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1284         * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
1285         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
1286         * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1287         * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1288         * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1289         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1290
1291 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
1292
1293         PR libstdc++/65411
1294         * config/io/basic_file_stdio.cc (__basic_file<char>::close()): Don't
1295         retry fclose on EINTR.
1296
1297         * include/profile/base.h: Remove unused header that leads to header
1298         cycle in C++17 mode.
1299
1300         PR libstdc++/79075
1301         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
1302         Make _If_sv private.
1303         [!_GLIBCXX_USE_CXX11_ABI] (basic_string): Add member functions taking
1304         basic_string_view arguments.
1305
1306         PR libstdc++/79075
1307         * testsuite/lib/libstdc++.exp (check_v3_target_filesystem_ts): Remove
1308         redundant option from cxxflags.
1309         (check_effective_target_cxx11-abi): Define.
1310         * testsuite/21_strings/basic_string/allocator/71964.cc: Use cxx11-abi
1311         effective target.
1312         * testsuite/21_strings/basic_string/allocator/char/copy.cc: Likewise.
1313         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1314         Likewise.
1315         * testsuite/21_strings/basic_string/allocator/char/minimal.cc:
1316         Likewise.
1317         * testsuite/21_strings/basic_string/allocator/char/move.cc: Likewise.
1318         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1319         Likewise.
1320         * testsuite/21_strings/basic_string/allocator/char/noexcept.cc:
1321         Likewise.
1322         * testsuite/21_strings/basic_string/allocator/char/swap.cc: Likewise.
1323         * testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc:
1324         Likewise.
1325         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1326         Likewise.
1327         * testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc:
1328         Likewise.
1329         * testsuite/21_strings/basic_string/allocator/wchar_t/move.cc:
1330         Likewise.
1331         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1332         Likewise.
1333         * testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc:
1334         Likewise.
1335         * testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc:
1336         Likewise.
1337         * testsuite/23_containers/list/61347.cc: Likewise.
1338         * testsuite/27_io/basic_fstream/cons/base.cc: Likewise.
1339         * testsuite/27_io/ios_base/failure/cxx11.cc: Likewise.
1340
1341 2017-01-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
1342
1343         PR libstdc++/78389
1344         * include/bits/list.tcc (merge(list&&)):
1345         Adjust list sizes if the comparator throws.
1346         (merge(list&&, _StrictWeakOrdering)): Likewise.
1347         (sort()): Splice elements back from the scratch buffers
1348         if the comparator throws.
1349         (sort(_StrictWeakOrdering)): Likewise.
1350         * testsuite/23_containers/list/operations/78389.cc: New.
1351
1352 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
1353
1354         * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Mark
1355         XFAIL for C++17 until node reinsertion supports fancy pointers.
1356
1357         PR libstdc++/78361
1358         * testsuite/20_util/add_pointer/value.cc: Test forming function
1359         pointers.
1360
1361 2017-01-13  Michael Brune  <lucdanton@free.fr>
1362
1363         PR libstdc++/78361
1364         * include/std/type_traits (__is_referenceable): Handle noexcept
1365         function types.
1366
1367 2017-01-12  Jonathan Wakely  <jwakely@redhat.com>
1368
1369         PR libstdc++/77528
1370         * include/bits/stl_queue.h (queue, priority_queue): Remove default
1371         member-initializers and define default constructors as templates with
1372         constraints.
1373         * include/bits/stl_stack.h (stack): Likewise.
1374         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
1375         New.
1376         * testsuite/23_containers/priority_queue/requirements/
1377         explicit_instantiation/1.cc: Test more instantiations.
1378         * testsuite/23_containers/priority_queue/requirements/
1379         explicit_instantiation/1_c++98.cc: Likewise.
1380         * testsuite/23_containers/queue/requirements/constructible.cc: New.
1381         * testsuite/23_containers/stack/requirements/constructible.cc: New.
1382
1383         PR libstdc++/66284
1384         * doc/xml/manual/intro.xml: Document LWG 2781 change.
1385         * doc/html/*: Regenerate.
1386         * include/std/functional (_Function_base::_Ref_manager): Remove.
1387         (_Function_handler): Remove partial specializations for
1388         reference_wrapper.
1389         (function::target): Remove special case for const qualification.
1390         * testsuite/20_util/function/6.cc: Adjust tests for target type.
1391         * testsuite/20_util/function/7.cc: Likewise.
1392         * testsuite/20_util/function/8.cc: Likewise.
1393
1394 2017-01-11  Jonathan Wakely  <jwakely@redhat.com>
1395
1396         PR libstdc++/78134
1397         * include/bits/stl_map.h (map::lower_bound, map::upper_bound)
1398         (map::equal_range): Fix return type of heterogeneous overloads.
1399         * include/bits/stl_multimap.h (multimap::lower_bound)
1400         (multimap::upper_bound, multimap::equal_range): Likewise.
1401         * include/bits/stl_multiset.h (multiset::lower_bound)
1402         (multiset::upper_bound, multiset::equal_range): Likewise.
1403         * include/bits/stl_set.h (set::lower_bound, set::upper_bound)
1404         (set::equal_range): Likewise.
1405         * testsuite/23_containers/map/operations/2.cc
1406         * testsuite/23_containers/multimap/operations/2.cc
1407         * testsuite/23_containers/multiset/operations/2.cc
1408         * testsuite/23_containers/set/operations/2.cc
1409
1410         PR libstdc++/78273
1411         * include/bits/stl_map.h (map::count<_Kt>(const _Kt&)): Don't assume
1412         the heterogeneous comparison can only find one match.
1413         * include/bits/stl_set.h (set::count<_Kt>(const _Kt&)): Likewise.
1414         * testsuite/23_containers/map/operations/2.cc: Test count works with
1415         comparison function that just partitions rather than sorting.
1416         * testsuite/23_containers/set/operations/2.cc: Likewise.
1417
1418 2017-01-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
1419
1420         Reduce the size of variant, it doesn't need an index of
1421         type size_t internally.
1422         * include/std/variant (parse_numbers.h): New include.
1423         (__select_index): New.
1424         (_Variant_storage<false, _Types...>::_M_reset_impl): Use
1425         _index_type for comparison with variant_npos.
1426         (_Variant_storage<false, _Types...>::__index_type): New.
1427         (_Variant_storage<false, _Types...>::_M_index): Change the
1428         type from size_t to __index_type.
1429         (_Variant_storage<true, _Types...>::__index_type): New.
1430         (_Variant_storage<true, _Types...>::_M_index): Change the
1431         type from size_t to __index_type.
1432         (_Variant_base::_M_valid): Use _Storage::__index_type
1433         for comparison with variant_npos.
1434         (variant::index): Use _Base::_Storage::__index_type
1435         for comparison with variant_npos.
1436         * testsuite/20_util/variant/index_type.cc: New.
1437
1438 2017-01-10  Jonathan Wakely  <jwakely@redhat.com>
1439
1440         * testsuite/18_support/exception_ptr/60612-unexpected.cc: Adjust
1441         effective target selector to prevent running in C++17 mode.
1442
1443         PR libstdc++/77528
1444         * include/bits/stl_queue.h (queue::c): Add default member initializer.
1445         (queue::queue()): Add constructor and define as defaulted.
1446         (queue::queue(_Sequence&&)): Remove default argument.
1447         (priority_queue::c, priority_queue::comp): Add default member
1448         initializers.
1449         (priority_queue::priority_queue()): Add constructor and define as
1450         defaulted.
1451         (priority_queue::priority_queue(const _Compare&, _Sequence&&)):
1452         Remove default argument for first parameter.
1453         * include/bits/stl_stack.h (stack::c): Add default member initializer.
1454         (stack::stack()): Add constructor and define as defaulted.
1455         (stack::stack(const _Sequence&)): Remove default argument.
1456         * testsuite/23_containers/priority_queue/requirements/
1457         explicit_instantiation/1.cc: Test explicit instantiation with
1458         non-DefaultConstructible sequence.
1459         * testsuite/23_containers/priority_queue/77528.cc: New test.
1460         * testsuite/23_containers/priority_queue/requirements/
1461         explicit_instantiation/1_c++0x.cc: Replace with 1_c++98.cc.
1462         * testsuite/23_containers/queue/77528.cc: New test.
1463         * testsuite/23_containers/queue/requirements/explicit_instantiation/
1464         1.cc: Test explicit instantiation with non-DefaultConstructible
1465         sequence.
1466         * testsuite/23_containers/queue/requirements/explicit_instantiation/
1467         1_c++0x.cc: Replace with 1_c++98.cc.
1468         * testsuite/23_containers/stack/77528.cc: New test.
1469         * testsuite/23_containers/stack/requirements/explicit_instantiation/
1470         1.cc: Test explicit instantiation with non-DefaultConstructible
1471         sequence.
1472         * testsuite/23_containers/stack/requirements/explicit_instantiation/
1473         1_c++0x.cc: Replace with 1_c++98.cc.
1474
1475 2017-01-10  Felipe Magno de Almeida <felipe@expertisesolutions.com.br>
1476
1477         * include/bits/locale_facets_nonio.tcc
1478         (time_get::_M_extract_via_format): Avoid compilation errors with
1479         non-standard struct tm.
1480
1481 2017-01-10  François Dumont  <fdumont@gcc.gnu.org>
1482             Jonathan Wakely  <jwakely@redhat.com>
1483
1484         * python/libstdcxx/v6/printers.py (_versioned_namespace): Define.
1485         (is_specialization, strip_versioned_namespace): New helpers functions
1486         to work with symbols in the versioned namespace.
1487         (Printer.add_version): Add second name using versioned namespace.
1488         (add_one_template_type_printer, add_one_type_printer): Add second
1489         type printers using versioned namespace.
1490         (register_type_printers): Add template type printer for basic_string.
1491         (build_libstdcxx_dictionary): Remove dead code.
1492         * python/libstdcxx/v6/xmethods.py: Make all matchers look for
1493         versioned namespace.
1494         * testsuite/libstdc++-prettyprinters/48362.cc: Adjust expected
1495         results.
1496         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1497
1498 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
1499
1500         PR libstdc++/79017
1501         * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Check for llrint and llround
1502         functions separately on darwin and if they're missing define
1503         _GLIBCXX_NO_C99_ROUNDING_FUNCS.
1504         * config.h.in: Regenerate.
1505         * configure: Regenerate.
1506         * include/c_global/cmath [_GLIBCXX_NO_C99_ROUNDING_FUNCS] (llrint)
1507         (llrintf, llrintl, llround, llroundf, llroundl): Do not define.
1508
1509         * testsuite/30_threads/condition_variable/members/3.cc: Use new macro
1510         to detect correct thread_local destructors.
1511         * testsuite/util/testsuite_hooks.h (CORRECT_THREAD_LOCAL_DTORS):
1512         Define.
1513
1514 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
1515             Aditya Kumar  <hiraditya@msn.com>
1516
1517         PR libstdc++/66414
1518         * include/bits/basic_string.tcc
1519         (basic_string::find(const CharT*, size_type, size_type)): Optimize.
1520
1521 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
1522
1523         * testsuite/21_strings/basic_string/operations/find/char/6.cc: New.
1524         * testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New.
1525
1526         * testsuite/util/performance/priority_queue/mem_usage/pop_test.hpp:
1527         Include <cassert> header.
1528
1529         PR libstdc++/78968
1530         * crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*.
1531         * configure: Regenerate.
1532
1533 2017-01-06  Barrett Adair  <barrettellisadair@gmail.com>
1534             Jonathan Wakely  <jwakely@redhat.com>
1535
1536         * include/std/variant (variant, swap): Replace __and_ usage with fold
1537         expressions.
1538
1539 2017-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1540
1541         PR go/78978
1542         * acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Remove.
1543         * configure.ac: Call GCC_CHECK_ASSEMBLER_HWCAP instead of
1544         GLIBCXX_CHECK_ASSEMBLER_HWCAP.
1545         * fragment.am (CONFIG_CXXFLAGS): Use HWCAP_CFLAGS instead of
1546         HWCAP_FLAGS.
1547         * aclocal.m4: Regenerate.
1548         * configure: Regenerate.
1549         * Makefile.in, doc/Makefile.in, include/Makefile.in,
1550         libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in,
1551         src/Makefile.in, src/c++11/Makefile.in, src/c++98/Makefile.in,
1552         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
1553
1554 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
1555
1556         * include/bits/c++config (_GLIBCXX_ASSERTIONS): Avoid redefinition.
1557
1558         PR libstdc++/78991
1559         * include/bits/predefined_ops.h (_Iter_comp_iter, _Iter_comp_val)
1560         (_Val_comp_iter, _Iter_equals_val, _Iter_pred, _Iter_comp_to_val)
1561         (_Iter_comp_to_iter, _Iter_negate): Make constructors explicit and
1562         move function objects.
1563         (__iter_comp_iter, __iter_comp_val, __val_comp_iter, __pred_iter)
1564         (__iter_comp_val, __iter_comp_iter, __negate): Move function objects.
1565         * testsuite/25_algorithms/sort/78991.cc: New test.
1566
1567 2017-01-05  Jonathan Wakely  <jwakely@redhat.com>
1568
1569         * include/bits/std_function.h (function::_Signature_type): Remove.
1570         (function::function(_Functor)): Adjust.
1571
1572 2017-01-05  Tim Shen  <timshen@google.com>
1573
1574         PR libstdc++/78996
1575         * include/std/variant (__gen_vtable_impl): rename __unused to
1576         __dimensions to avoid naming conflict.
1577
1578 2017-01-04  Jonathan Wakely  <jwakely@redhat.com>
1579
1580         PR libstdc++/78968
1581         * config.h.in: Regenerate.
1582         * configure: Likewise.
1583         * configure.ac: Check for __cxa_thread_atexit.
1584         * libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]:
1585         Don't define __cxa_thread_atexit if libc provides it.
1586
1587 2017-01-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
1588
1589         Implement 2801, Default-constructibility of unique_ptr.
1590         * include/bits/unique_ptr.h (__uniq_ptr_impl::_DeleterConstraint): New.
1591         (unique_ptr::_DeleterConstraint): Likewise.
1592         (unique_ptr()): Constrain.
1593         (unique_ptr(pointer)): Likewise.
1594         (unique_ptr(nullptr_t)): Likewise.
1595         (unique_ptr<_Tp[], _Dp>::_DeleterConstraint): New.
1596         (unique_ptr<_Tp[], _Dp>::unique_ptr()): Constrain.
1597         (unique_ptr<_Tp[], _Dp>::unique_ptr(_Up)): Likewise.
1598         (unique_ptr<_Tp[], _Dp>::unique_ptr(nullptr_t)): Likewise.
1599         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust.
1600         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
1601         * testsuite/20_util/unique_ptr/cons/default.cc: New.
1602         * testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Adjust.
1603
1604 2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
1605             Jonathan Wakely  <jwakely@redhat.com>
1606
1607         PR libstdc++/64735
1608         * acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
1609         * config.h.in: Regenerate.
1610         * config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
1611         (GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
1612         exports for exception_ptr, nested_exception, and future conditional.
1613         [HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
1614         exports for exception_ptr, nested_exception, and future conditional.
1615         * configure: Regenerate.
1616         * configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
1617         * include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
1618         * libsupc++/eh_atomics.h: New file for internal use only.
1619         (__eh_atomic_inc, __eh_atomic_dec): New.
1620         * libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
1621         (exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
1622         (rethrow_exception): Use eh_atomics.h reference counting helpers.
1623         * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
1624         * libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
1625         * libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
1626         * libsupc++/exception_ptr.h: Likewise.
1627         * libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
1628         * libsupc++/nested_exception.cc: Remove check for
1629         ATOMIC_INT_LOCK_FREE.
1630         * libsupc++/nested_exception.h: Likewise.
1631         * src/c++11/future.cc: Likewise.
1632         * testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
1633         * testsuite/18_support/nested_exception/*: Likewise.
1634         * testsuite/30_threads/async/*: Likewise.
1635         * testsuite/30_threads/future/*: Likewise.
1636         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1637         * testsuite/30_threads/packaged_task/*: Likewise.
1638         * testsuite/30_threads/promise/*: Likewise.
1639         * testsuite/30_threads/shared_future/*: Likewise.
1640
1641 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
1642
1643         * doc/xml/manual/documentation_hacking.xml: sourceforge.net now
1644         defaults to https; adjust reference.
1645
1646 2017-01-03  Jonathan Wakely  <jwakely@redhat.com>
1647
1648         PR libstdc++/78956
1649         * include/std/thread (thread(const thread&&)): Add deleted
1650         constructor.
1651         * testsuite/30_threads/thread/cons/lwg2097.cc: New test.
1652
1653         * doc/xml/manual/spine.xml: Update copyright years.
1654         * doc/xml/manual/build_hacking.xml: Fix spelling of libbuilddir.
1655         * doc/xml/manual/test.xml: Likewise.
1656         * doc/html/*: Regenerate.
1657
1658 2017-01-01  Gerald Pfeifer  <gerald@pfeifer.com>
1659
1660         * doc/xml/faq.xml: Update address of C++ ABI link.
1661         * doc/xml/manual/abi.xml: Ditto.
1662
1663 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
1664
1665         Update copyright years.
1666 \f
1667 Copyright (C) 2017 Free Software Foundation, Inc.
1668
1669 Copying and distribution of this file, with or without modification,
1670 are permitted in any medium without royalty provided the copyright
1671 notice and this notice are preserved.