libstdc++-v3/ChangeLog

   1 2017-12-07  David Edelsohn  <dje.gcc@gmail.com>
   2
   3         PR libstdc++/83120
   4         * testsuite/ext/special_functions/hyperg/check_value.cc: Add
   5         -ffp-contract=off. Add -ffloat-store for m68* and ia32.
   6         * testsuite/tr1/5_numerical_facilities/special_functions/17_hyperg/check_value.cc: Same.
   7
   8 2017-12-07  Martin Sebor  <msebor@redhat.com>
   9
  10         PR c/81544
  11         * include/ext/mt_allocator.h (_M_destroy_thread_key): Remove
  12         attribute const.
  13
  14 2017-12-05  Jason Merrill  <jason@redhat.com>
  15             Jonathan Wakely  <jwakely@redhat.com>
  16
  17         * include/bits/fs_fwd.h (copy, copy_file): Remove noexcept.
  18         (permissions): Add noexcept.
  19         * include/bits/fs_ops.h (permissions): Add noexcept.
  20         * libsupc++/eh_throw.cc (__cxa_init_primary_exception): Add
  21         _GLIBCXX_NOTHROW.
  22
  23 2017-12-04  Jonathan Wakely  <jwakely@redhat.com>
  24
  25         * include/bits/regex_compiler.tcc: Use C-style comment to work around
  26         PR preprocessor/61638.
  27         (__INSERT_REGEX_MATCHER): Replace GNU extension with __VA_ARGS__.
  28
  29         * config/io/basic_file_stdio.h (__basic_file): Remove name of unused
  30         parameter.
  31         * include/bits/boost_concept_check.h: Add pragmas to disable
  32         -Wunused-local-typedef warnings.
  33         * include/bits/codecvt.h (codecvt_byname<char16_t, char, mbstate_t>)
  34         (codecvt_byname<char32_t, char, mbstate_t>): Remove name of unused
  35         parameter.
  36         * include/bits/locale_facets_nonio.tcc (time_get::do_get_weekday)
  37         (time_get::do_get_monthname, time_get::do_get_year): Remove unused
  38         variables.
  39         * include/std/bitset (_Base_bitset<0>::_M_getword): Remove name of
  40         unused parameter.
  41         * include/std/streambuf (_IsUnused): Define.
  42         (basic_streambuf::imbue, basic_streambuf::pbackfail)
  43         (basic_streambuf::overflow): Add macro to unused parameters.
  44         * testsuite/24_iterators/operations/prev_neg.cc: Adjust dg-error.
  45
  46 2017-12-01  Jonathan Wakely  <jwakely@redhat.com>
  47
  48         * include/experimental/string_view (basic_string_view::_S_compare):
  49         Use value-init so narrowing conversions are not ill-formed.
  50         * include/std/string_view (basic_string_view::_S_compare): Likewise.
  51
  52         * include/bits/basic_string.h (operator""s): Add pragmas to disable
  53         -Wliteral-suffix warnings.
  54         * include/experimental/string_view (operator""sv): Likewise.
  55         * include/std/chrono (operator""h, operator""min, operator""s)
  56         (operator""ms, operator""us, operator""ns): Likewise.
  57         * include/std/complex (operator""if, operator""i, operator""il):
  58         Likewise.
  59         * include/std/string_view (operator""sv): Likewise.
  60         * testsuite/20_util/duration/literals/range.cc: Adjust dg-error.
  61
  62         * include/bits/locale_facets_nonio.tcc (money_get::_M_extract): Add
  63         fallthrough comment.
  64
  65         * include/bits/node_handle.h (_Node_handle_common::operator=)
  66         (_Node_handle_common::_M_swap): Add braces around debug assertions.
  67
  68         * include/ext/ropeimpl.h (rope::_S_dump): Use const char*.
  69
  70         * libsupc++/nested_exception.h (__throw_with_nested_impl): Add
  71         noreturn attribute.
  72
  73         * include/bits/regex_executor.tcc (_Executor::_M_rep_once_more):
  74         Remove semi-colon after function body.
  75         * include/bits/uniform_int_dist.h (_Power_of_2): Likewise.
  76
  77         * include/tr1/modified_bessel_func.tcc (__airy): Use value-init not
  78         list-init.
  79
  80         * include/std/type_traits (integral_constant): Make member functions
  81         noexcept (LWG 2346).
  82         * include/std/utility (integer_sequence): Likewise.
  83
  84 2017-11-30  Jonathan Wakely  <jwakely@redhat.com>
  85
  86         PR libstdc++/65927
  87         * include/bits/locale_facets_nonio.h (__timepunct::_M_am_pm_format):
  88         Remove statement with no effect.
  89
  90 2017-11-30  Glen Joseph Fernandes  <glenjofe@gmail.com>
  91
  92         * include/bits/ptr_traits.h (__to_address, to_address): Move static
  93         assertion.
  94         * testsuite/20_util/to_address/1_neg.cc: New test.
  95
  96 2017-11-30  Jonathan Wakely  <jwakely@redhat.com>
  97
  98         PR libstdc++/83226
  99         * include/bits/node_handle.h (_Node_handle::__pointer): Avoid forming
 100         pointer-to-reference types.
 101         * testsuite/23_containers/map/modifiers/insert/83226.cc: New test.
 102
 103 2017-11-29  John David Anglin  <danglin@gcc.gnu.org>
 104
 105         * config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
 106
 107 2017-11-29  David Malcolm  <dmalcolm@redhat.com>
 108
 109         * testsuite/20_util/duration/literals/range.cc: Update expected
 110         line of a static_assert failure.
 111
 112 2017-11-28  Glen Joseph Fernandes  <glenjofe@gmail.com>
 113
 114         * include/bits/ptr_traits.h (to_address): Implement to_address.
 115         * testsuite/20_util/to_address/1.cc: New test.
 116
 117 2017-11-27  Stephan Bergmann  <sbergman@redhat.com>
 118
 119         * include/std/string_view (basic_string_view::find_first_of): Add
 120         missing noexcept.
 121
 122         * include/bits/unordered_map.h (unordered_map): Fix deduction guide.
 123         * include/debug/unordered_map (unordered_map): Likewise.
 124
 125 2017-11-23  Jonathan Wakely  <jwakely@redhat.com>
 126
 127         * libsupc++/new (launder): Add nodiscard attribute.
 128         * testsuite/18_support/launder/nodiscard.cc: New test.
 129
 130         * include/bits/fs_path.h (path::empty): Add nodiscard attribute.
 131         * include/bits/range_access.h (empty): Likewise.
 132         * include/std/string_view (basic_string_view::empty): Likewise.
 133         * testsuite/21_strings/basic_string_view/capacity/empty_neg.cc: New
 134         test.
 135         * testsuite/24_iterators/range_access_cpp17_neg.cc: New test.
 136         * testsuite/27_io/filesystem/path/query/empty_neg.cc: New test.
 137
 138         PR libstdc++/83134
 139         * include/std/type_traits (__not_): Explicitly convert to bool.
 140         * testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error.
 141         * testsuite/20_util/logical_traits/83134.cc: New test.
 142         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
 143         dg-error.
 144         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
 145         Likewise.
 146
 147 2017-11-22  Jonathan Wakely  <jwakely@redhat.com>
 148
 149         PR go/83102
 150         * include/bits/stl_tree.h (_Rb_tree): Relax invocable checks for
 151         comparison object pre-C++17.
 152
 153 2017-11-21  Jonathan Wakely  <jwakely@redhat.com>
 154
 155         PR libstdc++/48101
 156         * include/bits/allocator.h (allocator<const _Tp>)
 157         (allocator<volatile _Tp>, allocator<const volatile _Tp>): Add partial
 158         specializations.
 159         * include/bits/forward_list.h (forward_list): Add static assertions.
 160         * include/bits/hashtable.h (__cache_default): Use
 161         __is_nothrow_invocable instead of __is_noexcept_hash.
 162         (_Hashtable): Add static assertions.
 163         * include/bits/hashtable_policy.h (__is_noexcept_hash): Remove.
 164         * include/bits/stl_deque.h (deque): Add static assertions.
 165         * include/bits/stl_function.h (_Identity<const _Tp>): Add partial
 166         specialization.
 167         * include/bits/stl_list.h (list): Add static assertions.
 168         * include/bits/stl_map.h (map): Likewise.
 169         * include/bits/stl_multimap.h (multimap): Likewise.
 170         * include/bits/stl_multiset.h (multiset): Likewise.
 171         * include/bits/stl_set.h (set): Likewise.
 172         * include/bits/stl_tree.h (_Rb_tree): Likewise.
 173         * include/bits/stl_vector.h (vector): Likewise.
 174         * include/bits/unordered_map.h (unordered_map, unordered_multimap):
 175         Use typename instead of class in template-parameter-list and remove
 176         spaces.
 177         * include/bits/unordered_set.h (unordered_set, unordered_multiset):
 178         Likewise.
 179         * testsuite/23_containers/deque/48101-2_neg.cc: New test.
 180         * testsuite/23_containers/deque/48101_neg.cc: New test.
 181         * testsuite/23_containers/forward_list/48101-2_neg.cc: New test.
 182         * testsuite/23_containers/forward_list/48101_neg.cc: New test.
 183         * testsuite/23_containers/list/48101-2_neg.cc: New test.
 184         * testsuite/23_containers/list/48101_neg.cc: New test.
 185         * testsuite/23_containers/map/48101-2_neg.cc: New test.
 186         * testsuite/23_containers/map/48101_neg.cc: New test.
 187         * testsuite/23_containers/map/operations/31440.cc: Fix comparison
 188         object to have const-qualified call operator.
 189         * testsuite/23_containers/multimap/48101-2_neg.cc: New test.
 190         * testsuite/23_containers/multimap/48101_neg.cc: New test.
 191         * testsuite/23_containers/multiset/48101-2_neg.cc: New test.
 192         * testsuite/23_containers/multiset/48101_neg.cc: New test.
 193         * testsuite/23_containers/set/48101-2_neg.cc: New test.
 194         * testsuite/23_containers/set/48101_neg.cc: New test.
 195         * testsuite/23_containers/unordered_map/48101-2_neg.cc: New test.
 196         * testsuite/23_containers/unordered_map/48101_neg.cc: New test.
 197         * testsuite/23_containers/unordered_multimap/48101-2_neg.cc: New test.
 198         * testsuite/23_containers/unordered_multimap/48101_neg.cc: New test.
 199         * testsuite/23_containers/unordered_multiset/48101-2_neg.cc: New test.
 200         * testsuite/23_containers/unordered_multiset/48101_neg.cc: New test.
 201         * testsuite/23_containers/unordered_set/48101-2_neg.cc: New test.
 202         * testsuite/23_containers/unordered_set/48101_neg.cc: New test.
 203         * testsuite/23_containers/unordered_set/instantiation_neg.cc: Adjust
 204         dg-error line number.
 205         * testsuite/23_containers/vector/48101-2_neg.cc: New test.
 206         * testsuite/23_containers/vector/48101_neg.cc: New test.
 207
 208 2017-11-21  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
 209
 210         * doc/xml/manual/using.xml (manual.intro.using.macros): Move
 211         variablelist element at the end of its list.
 212
 213 2017-11-21  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 214
 215         * acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_TIME): Add rtems*.
 216         (GLIBCXX_ENABLE_FILESYSTEM_TS): Likewise.
 217         * configure: Regenerate.
 218
 219 2017-11-20  François Dumont  <fdumont@gcc.gnu.org>
 220
 221         * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
 222         std::advance for istreambuf_iterator of char types to be friend.
 223         (std::advance(istreambuf_iterator&, _Distance)): New overload.
 224         * include/std/streambuf (basic_streambuf<>): Declare std::advance for
 225         istreambuf_iterator of char types to be friend.
 226         * testsuite/22_locale/money_get/get/char/9.cc: Have
 227         istreambuf_iterator created on the fly when calling money_get<>::get.
 228         * testsuite/22_locale/money_get/get/wchar_t/9.cc: Likewise.
 229         * testsuite/24_iterators/istreambuf_iterator/debug/1_neg.cc: New.
 230         * testsuite/24_iterators/istreambuf_iterator/debug/2_neg.cc: New.
 231         * testsuite/25_algorithms/advance/istreambuf_iterators/char/1.cc: New.
 232         * testsuite/25_algorithms/advance/istreambuf_iterators/char/1_neg.cc:
 233         New.
 234         * testsuite/25_algorithms/advance/istreambuf_iterators/char/2.cc: New.
 235         * testsuite/25_algorithms/advance/istreambuf_iterators/char/2_neg.cc:
 236         New.
 237         * testsuite/25_algorithms/advance/istreambuf_iterators/char/3_neg.cc:
 238         New.
 239         * testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/1.cc:
 240         New.
 241         * testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/1_neg.cc:
 242         New.
 243         * testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/2.cc:
 244         New.
 245         * testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/2_neg.cc:
 246         New.
 247         * testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/3_neg.cc:
 248         New.
 249         * testsuite/25_algorithms/find/istreambuf_iterators/char/2.cc: Leverage
 250         on std::advance overload.
 251         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 252         Likewise.
 253
 254 2017-11-20  Jonathan Wakely  <jwakely@redhat.com>
 255
 256         * testsuite/special_functions/18_riemann_zeta/check_value.cc: Fix
 257         duplicate dg-options directive.
 258         * testsuite/tr1/5_numerical_facilities/special_functions/
 259         20_riemann_zeta/check_value_neg.cc: Likewise.
 260
 261 2017-11-20  Ville Voutilainen  <ville.voutilainen@gmail.com>
 262
 263         Implement LWG 2353
 264         * include/bits/stl_iterator_base_funcs.h (next):
 265         Use InputIterator instead of ForwardIterator.
 266         * testsuite/24_iterators/operations/lwg2353.cc: New.
 267         * testsuite/24_iterators/operations/next_neg.cc: Remove.
 268
 269 2017-11-18  Edward Smith-Rowland  <3dw4rd@verizon.net>
 270
 271         PR libstdc++/pr66689 - comp_ellint_3 and ellint_3 return garbage values
 272         * include/tr1/ell_integral.tcc: Correct the nu sign convention
 273         in ellint_3 and comp_ellint_3.
 274         * testsuite/tr1/5_numerical_facilities/special_functions/
 275         06_comp_ellint_3/check_value.cc: Regen with correct values.
 276         * testsuite/tr1/5_numerical_facilities/special_functions/
 277         14_ellint_3/check_value.cc: Ditto.
 278         * testsuite/special_functions/06_comp_ellint_3/check_value.cc: Ditto.
 279         * testsuite/special_functions/13_ellint_3/check_value.cc: Ditto.
 280         * testsuite/tr1/5_numerical_facilities/special_functions/
 281         01_assoc_laguerre/check_value.cc: Regen.
 282         * testsuite/tr1/5_numerical_facilities/special_functions/
 283         02_assoc_legendre/check_value.cc: Regen.
 284         * testsuite/tr1/5_numerical_facilities/special_functions/
 285         03_beta/check_value.cc: Regen.
 286         * testsuite/tr1/5_numerical_facilities/special_functions/
 287         04_comp_ellint_1/check_value.cc: Regen.
 288         * testsuite/tr1/5_numerical_facilities/special_functions/
 289         05_comp_ellint_2/check_value.cc: Regen.
 290         * testsuite/tr1/5_numerical_facilities/special_functions/
 291         07_conf_hyperg/check_value.cc: Regen.
 292         * testsuite/tr1/5_numerical_facilities/special_functions/
 293         08_cyl_bessel_i/check_value.cc: Regen.
 294         * testsuite/tr1/5_numerical_facilities/special_functions/
 295         09_cyl_bessel_j/check_value.cc: Regen.
 296         * testsuite/tr1/5_numerical_facilities/special_functions/
 297         10_cyl_bessel_k/check_value.cc: Regen.
 298         * testsuite/tr1/5_numerical_facilities/special_functions/
 299         11_cyl_neumann/check_value.cc: Regen.
 300         * testsuite/tr1/5_numerical_facilities/special_functions/
 301         12_ellint_1/check_value.cc: Regen.
 302         * testsuite/tr1/5_numerical_facilities/special_functions/
 303         13_ellint_2/check_value.cc: Regen.
 304         * testsuite/tr1/5_numerical_facilities/special_functions/
 305         15_expint/check_value_neg.cc: Regen.
 306         * testsuite/tr1/5_numerical_facilities/special_functions/
 307         16_hermite/check_value.cc: Regen.
 308         * testsuite/tr1/5_numerical_facilities/special_functions/
 309         17_hyperg/check_value.cc: Regen.
 310         * testsuite/tr1/5_numerical_facilities/special_functions/
 311         18_laguerre/check_value.cc: Regen.
 312         * testsuite/tr1/5_numerical_facilities/special_functions/
 313         19_legendre/check_value.cc: Regen.
 314         * testsuite/tr1/5_numerical_facilities/special_functions/
 315         20_riemann_zeta/check_value_neg.cc: Regen.
 316         * testsuite/tr1/5_numerical_facilities/special_functions/
 317         21_sph_bessel/check_value.cc: Regen.
 318         * testsuite/tr1/5_numerical_facilities/special_functions/
 319         22_sph_legendre/check_value.cc: Regen.
 320         * testsuite/tr1/5_numerical_facilities/special_functions/
 321         23_sph_neumann/check_value.cc: Regen.
 322         * testsuite/ext/special_functions/conf_hyperg/check_value.cc: Regen.
 323         * testsuite/ext/special_functions/hyperg/check_value.cc: Regen.
 324         * testsuite/special_functions/01_assoc_laguerre/check_value.cc: Regen.
 325         * testsuite/special_functions/02_assoc_legendre/check_value.cc: Regen.
 326         * testsuite/special_functions/03_beta/check_value.cc: Regen.
 327         * testsuite/special_functions/04_comp_ellint_1/check_value.cc: Regen.
 328         * testsuite/special_functions/05_comp_ellint_2/check_value.cc: Regen.
 329         * testsuite/special_functions/07_cyl_bessel_i/check_value.cc: Regen.
 330         * testsuite/special_functions/08_cyl_bessel_j/check_value.cc: Regen.
 331         * testsuite/special_functions/09_cyl_bessel_k/check_value.cc: Regen.
 332         * testsuite/special_functions/10_cyl_neumann/check_value.cc: Regen.
 333         * testsuite/special_functions/11_ellint_1/check_value.cc: Regen.
 334         * testsuite/special_functions/12_ellint_2/check_value.cc: Regen.
 335         * testsuite/special_functions/14_expint/check_value.cc: Regen.
 336         * testsuite/special_functions/15_hermite/check_value.cc: Regen.
 337         * testsuite/special_functions/16_laguerre/check_value.cc: Regen.
 338         * testsuite/special_functions/17_legendre/check_value.cc: Regen.
 339         * testsuite/special_functions/18_riemann_zeta/check_value.cc: Regen.
 340         * testsuite/special_functions/19_sph_bessel/check_value.cc: Regen.
 341         * testsuite/special_functions/20_sph_legendre/check_value.cc: Regen.
 342         * testsuite/special_functions/21_sph_neumann/check_value.cc: Regen.
 343         * testsuite/tr1/5_numerical_facilities/special_functions/
 344         06_comp_ellint_3/pr66689.cc: New.
 345         * testsuite/tr1/5_numerical_facilities/special_functions/
 346         14_ellint_3/pr66689.cc: New.
 347         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc: New.
 348         * testsuite/special_functions/13_ellint_3/pr66689.cc: New.
 349
 350 2017-11-18  Edward Smith-Rowland  <3dw4rd@verizon.net>
 351         Expose Airy functions as an extenaion.
 352         * include/bits/specfun.h: Expose airy_ai and airy_bi.
 353         * include/tr1/modified_bessel_func.tcc: Treat NaN and inf arg, return.
 354         * testsuite/ext/special_functions/airy_ai/check_nan.cc: New.
 355         * testsuite/ext/special_functions/airy_ai/check_value.cc: New.
 356         * testsuite/ext/special_functions/airy_ai/compile.cc: New.
 357         * testsuite/ext/special_functions/airy_bi/check_nan.cc: New.
 358         * testsuite/ext/special_functions/airy_bi/check_value.cc: New.
 359         * testsuite/ext/special_functions/airy_bi/compile.cc: New.
 360
 361 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 362
 363         * acinclude.m4: Add cet.m4.
 364         * configure.ac: Set CET_FLAGS. Update EXTRA_CFLAGS,
 365         EXTRA_CXX_FLAGS.
 366         * libsupc++/Makefile.am: Use Add EXTRA_CFLAGS.
 367         * Makefile.in: Regenerate.
 368         * configure: Likewise.
 369         * doc/Makefile.in: Likewise.
 370         * include/Makefile.in: Likewise.
 371         * libsupc++/Makefile.in: Likewise.
 372         * po/Makefile.in: Likewise.
 373         * python/Makefile.in: Likewise.
 374         * src/Makefile.in: Likewise.
 375         * src/c++11/Makefile.in: Likewise.
 376         * src/c++98/Makefile.in: Likewise.
 377         * src/filesystem/Makefile.in: Likewise.
 378         * testsuite/Makefile.in: Likewise.
 379
 380 2017-11-17  Jonathan Wakely  <jwakely@redhat.com>
 381
 382         PR libstdc++/83025
 383         * include/std/fstream (basic_filebuf::_If_path): Move to
 384         namespace-scope and rename to _If_fs_path.
 385         (basic_filebuf::open): Use new name.
 386         (basic_ifstream(_Path, ios::openmode))
 387         (basic_ifstream::open(_Path, ios::openmode))
 388         (basic_ofstream(_Path, ios::openmode))
 389         (basic_ofstream::open(_Path, ios::openmode))
 390         (basic_fstream(_Path, ios::openmode))
 391         (basic_fstream::open(_Path, ios::openmode)): Use _If_fs_path.
 392         * testsuite/27_io/basic_filebuf/open/char/path.cc: Test with filename
 393         as non-const char*.
 394         * testsuite/27_io/basic_fstream/cons/char/path.cc: Likewise.
 395         * testsuite/27_io/basic_fstream/open/char/path.cc: Likewise.
 396         * testsuite/27_io/basic_ifstream/cons/char/path.cc: Likewise.
 397         * testsuite/27_io/basic_ifstream/open/char/path.cc: Likewise.
 398         * testsuite/27_io/basic_ofstream/cons/char/path.cc: Likewise.
 399         * testsuite/27_io/basic_ofstream/open/char/path.cc: Likewise.
 400
 401
 402 2017-11-17  Marc Glisse  <marc.glisse@inria.fr>
 403
 404         * include/bits/vector.tcc (vector::_M_realloc_insert): Cache old
 405         values before the allocation.
 406
 407 2017-11-16  Jonathan Wakely  <jwakely@redhat.com>
 408
 409         * include/std/future (shared_future): Add noexcept to copy constructor
 410         and copy-assignment operator (LWG 2799).
 411
 412 2017-11-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
 413
 414         Fix gcd breakage.
 415         * include/std/numeric (gcd): Use remove_cv_t, not remove_cv.
 416
 417 2017-11-15  Jonathan Wakely  <jwakely@redhat.com>
 418
 419         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Leave
 420         error_code unset.
 421         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 422         Check for past-the-end before dereferencing.
 423         * testsuite/experimental/filesystem/iterators/
 424         recursive_directory_iterator.cc: Likewise.
 425
 426         * include/bits/range_access.h (size, empty, data): Add conditional
 427         noexcept to generic overloads.
 428
 429 2017-11-14  Ville Voutilainen  <ville.voutilainen@gmail.com>
 430
 431         Implement LWG 2733 and LWG 2759
 432         * include/experimental/numeric (gcd): Reject cv-qualified bool.
 433         (lcm): Likewise.
 434         * include/std/numeric (gcd): Likewise.
 435         (lcm): Likewise.
 436         * testsuite/26_numerics/gcd/gcd_neg.cc: Add tests and adjust.
 437         * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
 438
 439 2017-11-14  Jonathan Wakely  <jwakely@redhat.com>
 440
 441         * include/bits/locale_conv.h (wbuffer_convert::_M_conv_get): Fix typo.
 442         * testsuite/22_locale/conversions/buffer/3.cc: New test.
 443
 444 2017-11-10  Jonathan Wakely  <jwakely@redhat.com>
 445
 446         * testsuite/util/testsuite_tr1.h (ThrowMoveConsClass): Use noexcept.
 447
 448         PR libstdc++/82917
 449         * include/std/fstream (basic_ifstream::open, basic_ofstream::open)
 450         (basic_fstream::open): Fix missing return.
 451
 452 2017-11-07  Jonathan Wakely  <jwakely@redhat.com>
 453
 454         * src/filesystem/ops-common.h (make_file_type) [S_ISSOCK]: Only use
 455         S_ISSOCK when defined.
 456
 457 2017-11-06  François Dumont  <fdumont@gcc.gnu.org>
 458
 459         * testsuite/libstdc++-prettyprinters/tr1.cc:  Compile with -O0.
 460
 461 2017-11-06  Martin Liska  <mliska@suse.cz>
 462
 463         * testsuite/27_io/basic_fstream/cons/char/path.cc (main):
 464           Return a value for functions with non-void return type,
 465           or change type to void, or add -Wno-return-type for test.
 466         * testsuite/27_io/basic_ifstream/cons/char/path.cc (main):
 467         Likewise.
 468         * testsuite/27_io/basic_ofstream/open/char/path.cc (main):
 469         Likewise.
 470
 471 2017-11-06  Paolo Carlini  <paolo.carlini@oracle.com>
 472
 473         * testsuite/20_util/optional/cons/deduction.cc: Avoid -Wreturn-type
 474         warnings.
 475         * testsuite/20_util/pair/cons/deduction.cc: Likewise.
 476         * testsuite/20_util/pair/traits.cc: Likewise.
 477         * testsuite/20_util/tuple/cons/deduction.cc: Likewise.
 478         * testsuite/20_util/variant/compile.cc: Likewise.
 479         * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
 480         * testsuite/23_containers/unordered_map/modifiers/try_emplace.cc:
 481         Likewise.
 482
 483 2017-11-05  Gerald Pfeifer  <gerald@pfeifer.com>
 484
 485         * doc/xml/manual/abi.xml: Move docs.oracle.com references to https.
 486
 487 2017-11-03  Jonathan Wakely  <jwakely@redhat.com>
 488
 489         * include/std/type_traits (endian): Define new enumeration type.
 490         * testsuite/20_util/endian/1.cc: New test.
 491
 492         * include/bits/node_handle.h (_Node_insert_return::get): Remove, as
 493         per P0508R0.
 494
 495 2017-11-01  François Dumont  <fdumont@gcc.gnu.org>
 496
 497         * python/libstdcxx/v6/printers.py (StdExpAnyPrinter.__init__): Strip
 498         typename versioned namespace before the substitution.
 499         (StdExpOptionalPrinter.__init__): Likewise.
 500         (StdVariantPrinter.__init__): Likewise.
 501         (Printer.add_version): Inject versioned namespace after std or
 502         __gnu_cxx.
 503         (build_libstdcxx_dictionary): Adapt add_version usages, always pass
 504         namespace first and symbol second.
 505
 506 2017-11-01  Jonathan Wakely  <jwakely@redhat.com>
 507
 508         PR libstdc++/82777
 509         * src/filesystem/std-path.cc (path::lexically_normal): Remove dot-dot
 510         elements correctly.
 511         * testsuite/27_io/filesystem/path/generation/normal.cc: Add testcase.
 512         * testsuite/util/testsuite_fs.h (compare_paths): Improve exception
 513         text.
 514
 515 2017-10-30  Jonathan Wakely  <jwakely@redhat.com>
 516
 517         * include/Makefile.am (stamp-bits-sup): Do not create broken symlink
 518         to stamp-bits.
 519         * include/Makefile.in: Regenerate.
 520
 521         * include/std/fstream (basic_ifstream, basic_ofstream, basic_fstream):
 522         Remove outdated comments about calling c_str() to create a file stream
 523         from a std::string.
 524         (basic_ofstream::basic_ofstream, basic_ofstream::open): Remove
 525         redundant ios_mode::trunc bits from default arguments and comments.
 526
 527         * doc/xml/faq.xml: Adjust "What is libstdc++?" answer slightly.
 528
 529         * include/bits/hashtable_policy.h: Include <tuple>.
 530         * include/std/unordered_map: Only include <bits/stl_pair.h> instead
 531         of <utility> and <tuple>.
 532         * include/std/unordered_set: Likewise.
 533
 534 2017-10-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
 535
 536         Implement LWG 2485
 537         * include/debug/array (get(const array<_Tp, _Nm>&&)): New.
 538         * include/std/array (get(const array<_Tp, _Nm>&&)): Likewise.
 539         * include/std/tuple (get(const tuple<_Elements...>&&)): Likewise.
 540         (get(const tuple<_Types...>&&)): Likewise.
 541         * include/std/utility
 542         (__pair_get::__const_move_get(const std::pair<_Tp1, _Tp2>&&)):
 543         Likewise.
 544         (get(const std::pair<_Tp1, _Tp2>&&)): Likewise.
 545         (get(const pair<_Tp, _Up>&&)): Likewise.
 546         (get(const pair<_Up, _Tp>&&)): Likewise.
 547         * testsuite/20_util/pair/astuple/get.cc: Add tests for
 548         new overloads.
 549         * testsuite/20_util/pair/astuple/get_by_type.cc: Likewise.
 550         * testsuite/20_util/tuple/element_access/get2.cc: Likewise.
 551         * testsuite/20_util/tuple/element_access/get2_by_type.cc: Likewise.
 552         * testsuite/23_containers/array/tuple_interface/get.cc: Likewise.
 553         * testsuite/23_containers/array/tuple_interface/tuple_element_debug_neg.cc:
 554         Adjust.
 555         * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
 556         Likewise.
 557
 558 2017-10-27  Jonathan Wakely  <jwakely@redhat.com>
 559
 560         * include/bits/node_handle.h (_Node_insert_return::get): Avoid
 561         use of std::tie and std::get.
 562
 563         * include/Makefile.am: Put headers in alphabetical order.
 564         * include/Makefile.in: Regenerate.
 565
 566         * include/bits/fs_dir.h (directory_iterator): Remove noexcept from
 567         constructors and increment member (LWG 3013).
 568         (recursive_directory_iterator): Likewise.
 569         * include/bits/fs_ops.h (copy, copy_file, create_directories)
 570         (is_empty, remove_all): Remove noexcept (LWG 3013 and LWG 3014).
 571         * src/filesystem/std-dir.cc (directory_iterator::increment)
 572         (recursive_directory_iterator::increment): Remove noexcept.
 573         * src/filesystem/std-ops.cc (copy, copy_file, create_directories)
 574         (is_empty, remove_all): Remove noexcept
 575
 576         * include/bits/fs_dir.h (file_status): Make default constructor
 577         non-explicit (LWG 2787).
 578         * testsuite/27_io/filesystem/file_status/1.cc: New test.
 579         * testsuite/experimental/filesystem/file_status/1.cc: New test.
 580
 581         * include/std/fstream (basic_filebuf::_If_path): New SFINAE helper.
 582         (basic_filebuf::open<Path>(const Path&, const ios_base::openmode&))
 583         (basic_ifstream<Path>(const Path&, const ios_base::openmode&))
 584         (basic_ifstream::open<Path>(const Path&, const ios_base::openmode&))
 585         (basic_ofstream<Path>(const Path&, const ios_base::openmode&))
 586         (basic_ofstream::open<Path>(const Path&, const ios_base::openmode&))
 587         (basic_fstream<Path>(const Path&, const ios_base::openmode&))
 588         (basic_fstream::open<Path>(const Path&, const ios_base::openmode&)):
 589         New constructors and member functions.
 590         * testsuite/27_io/basic_filebuf/open/char/path.cc: New test.
 591         * testsuite/27_io/basic_fstream/cons/char/path.cc: New test.
 592         * testsuite/27_io/basic_fstream/open/char/path.cc: New test.
 593         * testsuite/27_io/basic_ifstream/cons/char/path.cc: New test.
 594         * testsuite/27_io/basic_ifstream/open/char/path.cc: New test.
 595         * testsuite/27_io/basic_ofstream/cons/char/path.cc: New test.
 596         * testsuite/27_io/basic_ofstream/open/char/path.cc: New test.
 597
 598         * include/bits/fs_path.h (path::format): Define new enumeration type.
 599         (path(string_type&&), path<Source>(const Source&))
 600         (path<InputIterator>(InputIterator, InputIterator))
 601         (path<Source>(const Source&, const locale&))
 602         (path<InputIterator>(InputIterator, InputIterator, const locale&)):
 603         Add format parameter.
 604         * testsuite/27_io/filesystem/path/construct/format.cc: New test.
 605
 606         * include/bits/stl_algo.h (__find_if_not_n, generate_n): Cast to void
 607         to ensure overloaded comma not used.
 608         * include/bits/stl_algobase.h (__fill_n_a, equal): Likewise.
 609         * include/bits/stl_uninitialized.h (__uninitialized_fill_n)
 610         (__uninitialized_fill_n_a, __uninitialized_default_n_1)
 611         (__uninitialized_default_n_a, __uninitialized_copy_n)
 612         (__uninitialized_copy_n_pair): Likewise
 613         * testsuite/20_util/specialized_algorithms/memory_management_tools/1.cc:
 614         Use test iterator wrappers with overloaded comma operator.
 615         * testsuite/25_algorithms/fill_n/1.cc: Likewise.
 616         * testsuite/25_algorithms/generate_n/1.cc: New test.
 617         * testsuite/25_algorithms/stable_partition/1.cc: New test.
 618         * testsuite/util/testsuite_iterators.h (operator,): Add deleted
 619         non-member comma operator with iterator wrappers as right operand.
 620
 621 2017-10-26  Ville Voutilainen  <ville.voutilainen@gmail.com>
 622
 623         Deduction guides for associative containers, debug mode deduction
 624         guide fixes.
 625         * include/bits/stl_iterator.h (__iter_key_t)
 626         (__iter_val_t, __iter_to_alloc_t): New.
 627         * include/bits/stl_map.h: Add deduction guides.
 628         * include/bits/stl_multimap.h: Likewise.
 629         * include/bits/stl_multiset.h: Likewise.
 630         * include/bits/stl_set.h: Likewise.
 631         * include/bits/unordered_map.h: Likewise.
 632         * include/bits/unordered_set.h: Likewise.
 633         * include/debug/deque: Likewise.
 634         * include/debug/forward_list: Likewise.
 635         * include/debug/list: Likewise.
 636         * include/debug/map.h: Likewise.
 637         * include/debug/multimap.h: Likewise.
 638         * include/debug/multiset.h: Likewise.
 639         * include/debug/set.h: Likewise.
 640         * include/debug/unordered_map: Likewise.
 641         * include/debug/unordered_set: Likewise.
 642         * include/debug/vector: Likewise.
 643         * testsuite/23_containers/map/cons/deduction.cc: New.
 644         * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
 645         * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
 646         * testsuite/23_containers/set/cons/deduction.cc: Likewise.
 647         * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
 648         * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
 649         Likewise.
 650         * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
 651         Likewise.
 652         * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
 653
 654 2017-10-25  Jonathan Wakely  <jwakely@redhat.com>
 655
 656         * doc/xml/manual/status_cxx2017.xml: Update C++17 status, and
 657         information on feature-test macros.
 658         * doc/html/*: Regenerate.
 659
 660         PR libstdc++/82716
 661         * include/std/array (tuple_size, tuple_element): Change class-key
 662         from class to struct, to avoid annoying Clang warnings.
 663
 664         PR libstdc++/79283
 665         * src/filesystem/ops.cc (read_symlink): Handle st_size being zero.
 666         * src/filesystem/std-ops.cc (read_symlink): Likewise.
 667         (do_copy_file) [!NEED_DO_COPY_FILE]: Avoid multiple definitions.
 668
 669         * src/filesystem/std-path.cc (path::lexically_normal): Add missing
 670         step to algorithm, for removing dot-dot elements after root-directory.
 671         * testsuite/27_io/filesystem/operations/canonical.cc: Use
 672         compare_paths for more exhaustive checks.
 673         * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
 674         * testsuite/27_io/filesystem/path/append/path.cc: Likewise.
 675         * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
 676         * testsuite/27_io/filesystem/path/concat/strings.cc: Fix comment.
 677         * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
 678         * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
 679         Likewise.
 680         * testsuite/27_io/filesystem/path/generation/normal.cc: Use
 681         compare_paths for more exhaustive checks. Add extra testcases.
 682         * testsuite/27_io/filesystem/path/generation/proximate.cc: Use
 683         compare_paths for more exhaustive checks.
 684         * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
 685         * testsuite/27_io/filesystem/path/generic/generic_string.cc: Remove
 686         unused header.
 687         * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: Fix
 688         comment.
 689         * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: Use
 690         compare_paths for more exhaustive checks.
 691         * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
 692         Likewise.
 693         * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
 694         Likewise.
 695         * testsuite/util/testsuite_fs.h (compare_paths): Also compare native
 696         strings.
 697
 698         PR libstdc++/82706
 699         * testsuite/27_io/filesystem/operations/permissions.cc: Fix test.
 700
 701 2017-10-24  François Dumont  <fdumont@gcc.gnu.org>
 702
 703         * testsuite/lib/libstdc++.exp (check_v3_target_normal_mode): Add
 704         c++config.h include.
 705         (check_v3_target_normal_namespace): New.
 706         * testsuite/lib/dg-options.exp (dg-require-normal-namespace): New.
 707         * testsuite/18_support/headers/limits/synopsis.cc: Add latter.
 708         * testsuite/20_util/from_chars/requirements.cc: Likewise.
 709         * testsuite/20_util/headers/functional/synopsis.cc: Likewise.
 710         * testsuite/20_util/headers/memory/synopsis.cc: Likewise.
 711         * testsuite/20_util/headers/utility/synopsis.cc: Likewise.
 712         * testsuite/20_util/to_chars/requirements.cc: Likewise.
 713         * testsuite/21_strings/headers/string/synopsis.cc: Likewise.
 714         * testsuite/22_locale/headers/locale/synopsis.cc: Likewise.
 715         * testsuite/23_containers/headers/bitset/synopsis.cc: Likewise.
 716         * testsuite/23_containers/headers/deque/synopsis.cc: Likewise.
 717         * testsuite/23_containers/headers/forward_list/synopsis.cc: Likewise.
 718         * testsuite/23_containers/headers/list/synopsis.cc: Likewise.
 719         * testsuite/23_containers/headers/map/synopsis.cc: Likewise.
 720         * testsuite/23_containers/headers/queue/synopsis.cc: Likewise.
 721         * testsuite/23_containers/headers/set/synopsis.cc: Likewise.
 722         * testsuite/23_containers/headers/stack/synopsis.cc: Likewise.
 723         * testsuite/23_containers/headers/vector/synopsis.cc: Likewise.
 724         * testsuite/23_containers/map/modifiers/erase/abi_tag.cc: Likewise.
 725         * testsuite/23_containers/multimap/modifiers/erase/abi_tag.cc: Likewise.
 726         * testsuite/23_containers/multiset/modifiers/erase/abi_tag.cc: Likewise.
 727         * testsuite/23_containers/set/modifiers/erase/abi_tag.cc: Likewise.
 728         * testsuite/24_iterators/headers/iterator/synopsis.cc: Likewise.
 729         * testsuite/24_iterators/headers/iterator/synopsis_c++11.cc: Likewise.
 730         * testsuite/24_iterators/headers/iterator/synopsis_c++14.cc: Likewise.
 731         * testsuite/24_iterators/headers/iterator/synopsis_c++17.cc: Likewise.
 732         * testsuite/26_numerics/complex/abi_tag.cc: Likewise.
 733         * testsuite/26_numerics/headers/complex/synopsis.cc: Likewise.
 734         * testsuite/26_numerics/headers/valarray/synopsis.cc: Likewise.
 735         * testsuite/27_io/headers/fstream/synopsis.cc: Likewise.
 736         * testsuite/27_io/headers/ios/synopsis.cc: Likewise.
 737         * testsuite/27_io/headers/istream/synopsis.cc: Likewise.
 738         * testsuite/27_io/headers/ostream/synopsis.cc: Likewise.
 739         * testsuite/27_io/headers/sstream/synopsis.cc: Likewise.
 740         * testsuite/27_io/headers/streambuf/synopsis.cc: Likewise.
 741
 742 2017-10-24  Jonathan Wakely  <jwakely@redhat.com>
 743
 744         * config/locale/gnu/c_locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Ignore
 745         -Wattribute-alias warnings.
 746         * src/c++11/istream-inst.cc: Likewise.
 747         * src/c++11/locale-inst.cc: Likewise.
 748         * src/c++11/ostream-inst.cc: Likewise.
 749         * src/c++11/wlocale-inst.cc: Likewise.
 750         * src/c++98/hash-long-double-tr1-aux.cc: Likewise.
 751
 752         * include/bits/string_view.tcc (find_first_of, find_last_of)
 753         (find_first_not_of, find_last_not_of): Add noexcept.
 754         * include/std/string_view (basic_string_view(const _CharT*))
 755         (basic_string_view(const _CharT*, size_type))
 756         (front, back, remove_prefix, remove_suffix, find, rfind)
 757         (find_first_of, find_first_not_of): Add noexcept.
 758         (at(size_type), _S_compare(size_type, size_type)): Replace conditional
 759         expressions with if statements.
 760         (copy(_CharT*, size_type, size_type), substr(size_type, size_type)):
 761         Use _M_check for length checks.
 762         (compare(basic_string_view)): Reformat.
 763         (_M_check(size_type, const char)): Add noexcept(false).
 764         (_M_limit(size_type, size_type)): Use noexcept not _GLIBCXX_NOEXCEPT.
 765
 766         PR libstdc++/82685
 767         * include/experimental/string_view (operator""sv): Add noexcept.
 768         * include/std/string_view (operator""sv): Likewise.
 769
 770 2017-10-23  Jonathan Wakely  <jwakely@redhat.com>
 771
 772         * include/Makefile.am: Add new headers for C++17 filesystem library.
 773         * include/Makefile.in: Regenerate.
 774         * include/bits/fs_dir.h: New header, based on Filesystem TS code in
 775         include/experimental/bits directory.
 776         * include/bits/fs_fwd.h: Likewise.
 777         * include/bits/fs_ops.h: Likewise.
 778         * include/bits/fs_path.h: Likewise.
 779         * include/experimental/bits/fs_dir.h: Rename Doxygen group.
 780         * include/experimental/bits/fs_fwd.h: Likewise.
 781         * include/experimental/bits/fs_ops.h: Likewise.
 782         * include/experimental/bits/fs_path.h: Likewise.
 783         * include/experimental/filesystem (filesystem_error::_M_gen_what):
 784         Remove inline definition.
 785         * include/precompiled/stdc++.h: Add <filesystem> to precompiled
 786         header.
 787         * include/std/filesystem: New header.
 788         * python/libstdcxx/v6/printers.py: Enable printer for std::filesystem
 789         paths.
 790         * src/filesystem/Makefile.am: Add new files. Compile as C++17.
 791         * src/filesystem/Makefile.in: Regenerate.
 792         * src/filesystem/cow-dir.cc: Update comment.
 793         * src/filesystem/cow-ops.cc: Likewise.
 794         * src/filesystem/cow-path.cc: Likewise.
 795         * src/filesystem/cow-std-dir.cc: New file.
 796         * src/filesystem/cow-std-ops.cc: New file.
 797         * src/filesystem/cow-std-path.cc: New file.
 798         * src/filesystem/dir-common.h (_Dir_base, get_file_type): New header
 799         for common code.
 800         * src/filesystem/dir.cc (_Dir): Derive from _Dir_base.
 801         (open_dir): Move to _Dir_base constructor.
 802         (get_file_type): Move to dir-common.h.
 803         (recurse): Move to _Dir_base::should_recurse.
 804         * src/filesystem/ops-common.h: New header for common code.
 805         * src/filesystem/ops.cc (is_set, make_file_type, make_file_status)
 806         (is_not_found_errno, file_time, do_copy_file): Move to ops-common.h.
 807         * src/filesystem/path.cc (filesystem_error::_M_gen_what): Define.
 808         * src/filesystem/std-dir.cc: New file, based on Filesystem TS code.
 809         * src/filesystem/std-ops.cc: Likewise.
 810         * src/filesystem/std-dir.cc: Likewise.
 811         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: New
 812         test.
 813         * testsuite/27_io/filesystem/iterators/pop.cc: New test.
 814         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 815         New test.
 816         * testsuite/27_io/filesystem/operations/absolute.cc: New test.
 817         * testsuite/27_io/filesystem/operations/canonical.cc: New test.
 818         * testsuite/27_io/filesystem/operations/copy.cc: New test.
 819         * testsuite/27_io/filesystem/operations/copy_file.cc: New test.
 820         * testsuite/27_io/filesystem/operations/create_directories.cc: New
 821         test.
 822         * testsuite/27_io/filesystem/operations/create_directory.cc: New test.
 823         * testsuite/27_io/filesystem/operations/create_symlink.cc: New test.
 824         * testsuite/27_io/filesystem/operations/current_path.cc: New test.
 825         * testsuite/27_io/filesystem/operations/equivalent.cc: New test.
 826         * testsuite/27_io/filesystem/operations/exists.cc: New test.
 827         * testsuite/27_io/filesystem/operations/file_size.cc: New test.
 828         * testsuite/27_io/filesystem/operations/is_empty.cc: New test.
 829         * testsuite/27_io/filesystem/operations/last_write_time.cc: New test.
 830         * testsuite/27_io/filesystem/operations/permissions.cc: New test.
 831         * testsuite/27_io/filesystem/operations/proximate.cc: New test.
 832         * testsuite/27_io/filesystem/operations/read_symlink.cc: New test.
 833         * testsuite/27_io/filesystem/operations/relative.cc: New test.
 834         * testsuite/27_io/filesystem/operations/remove_all.cc: New test.
 835         * testsuite/27_io/filesystem/operations/space.cc: New test.
 836         * testsuite/27_io/filesystem/operations/status.cc: New test.
 837         * testsuite/27_io/filesystem/operations/symlink_status.cc: New test.
 838         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: New
 839         test.
 840         * testsuite/27_io/filesystem/operations/weakly_canonical.cc: New test.
 841         * testsuite/27_io/filesystem/path/append/path.cc: New test.
 842         * testsuite/27_io/filesystem/path/assign/assign.cc: New test.
 843         * testsuite/27_io/filesystem/path/assign/copy.cc: New test.
 844         * testsuite/27_io/filesystem/path/compare/compare.cc: New test.
 845         * testsuite/27_io/filesystem/path/compare/path.cc: New test.
 846         * testsuite/27_io/filesystem/path/compare/strings.cc: New test.
 847         * testsuite/27_io/filesystem/path/concat/path.cc: New test.
 848         * testsuite/27_io/filesystem/path/concat/strings.cc: New test.
 849         * testsuite/27_io/filesystem/path/construct/copy.cc: New test.
 850         * testsuite/27_io/filesystem/path/construct/default.cc: New test.
 851         * testsuite/27_io/filesystem/path/construct/locale.cc: New test.
 852         * testsuite/27_io/filesystem/path/construct/range.cc: New test.
 853         * testsuite/27_io/filesystem/path/construct/string_view.cc: New test.
 854         * testsuite/27_io/filesystem/path/decompose/extension.cc: New test.
 855         * testsuite/27_io/filesystem/path/decompose/filename.cc: New test.
 856         * testsuite/27_io/filesystem/path/decompose/parent_path.cc: New test.
 857         * testsuite/27_io/filesystem/path/decompose/relative_path.cc: New
 858         test.
 859         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: New
 860         test.
 861         * testsuite/27_io/filesystem/path/decompose/root_name.cc: New test.
 862         * testsuite/27_io/filesystem/path/decompose/root_path.cc: New test.
 863         * testsuite/27_io/filesystem/path/decompose/stem.cc: New test.
 864         * testsuite/27_io/filesystem/path/generation/normal.cc: New test.
 865         * testsuite/27_io/filesystem/path/generation/proximate.cc: New test.
 866         * testsuite/27_io/filesystem/path/generation/relative.cc: New test.
 867         * testsuite/27_io/filesystem/path/generic/generic_string.cc: New test.
 868         * testsuite/27_io/filesystem/path/itr/traversal.cc: New test.
 869         * testsuite/27_io/filesystem/path/modifiers/clear.cc: New test.
 870         * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: New
 871         test.
 872         * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: New
 873         test.
 874         * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc: New
 875         test.
 876         * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc: New
 877         test.
 878         * testsuite/27_io/filesystem/path/modifiers/swap.cc: New test.
 879         * testsuite/27_io/filesystem/path/native/string.cc: New test.
 880         * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: New test.
 881         * testsuite/27_io/filesystem/path/query/empty.cc: New test.
 882         * testsuite/27_io/filesystem/path/query/has_extension.cc: New test.
 883         * testsuite/27_io/filesystem/path/query/has_filename.cc: New test.
 884         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: New test.
 885         * testsuite/27_io/filesystem/path/query/has_relative_path.cc: New
 886         test.
 887         * testsuite/27_io/filesystem/path/query/has_root_directory.cc: New
 888         test.
 889         * testsuite/27_io/filesystem/path/query/has_root_name.cc: New test.
 890         * testsuite/27_io/filesystem/path/query/has_root_path.cc: New test.
 891         * testsuite/27_io/filesystem/path/query/has_stem.cc: New test.
 892         * testsuite/27_io/filesystem/path/query/is_relative.cc: New test.
 893         * testsuite/experimental/filesystem/path/construct/string_view.cc:
 894         Define USE_FILESYSTEM_TS.
 895         * testsuite/util/testsuite_fs.h: Allow use with C++17 paths as well
 896         as Filesystem TS.
 897
 898         PR libstdc++/82644
 899         * doc/xml/manual/intro.xml: Include new section.
 900         * doc/xml/manual/status_cxxis29124.xml: New section on IS 29124
 901         status.
 902         * include/bits/specfun.h [__STRICT_ANSI__] (hyperg, hypergf, hypergl)
 903         (conf_hyperg, conf_hypergf, conf_hypergl): Don't declare.
 904         * include/c_compatibility/math.h: Import special functions into
 905         global namespace for C++17.
 906         * testsuite/26_numerics/headers/cmath/82644.cc: New test.
 907         * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc: New
 908         test.
 909
 910 2017-10-21  Jonathan Wakely  <jwakely@redhat.com>
 911
 912         * testsuite/experimental/filesystem/path/itr/traversal.cc: Do not
 913         increment past-the-end iterators.
 914
 915 2017-10-20  Jonathan Wakely  <jwakely@redhat.com>
 916
 917         * include/std/chrono (__cpp_lib_chrono): Update macro value to
 918         indicate support for P0505R0.
 919         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Check
 920         for updated macro.
 921
 922         * include/c_global/cstddef: Define __cpp_lib_byte feature-test macro.
 923         * testsuite/18_support/byte/requirements.cc: Check macro.
 924
 925 2017-10-19  Jonathan Wakely  <jwakely@redhat.com>
 926
 927         * testsuite/experimental/filesystem/iterators/
 928         recursive_directory_iterator.cc: Ensure that error_code arguments are
 929         cleared when required.
 930         * testsuite/experimental/filesystem/operations/create_directory.cc:
 931         Remove redundant check.
 932         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 933         Ensure that error_code argument is cleared when required.
 934
 935         * include/experimental/bits/fs_path.h (path::iterator++(int))
 936         (path::iterator--(int)): Fix for paths with only one component.
 937         * testsuite/experimental/filesystem/path/itr/traversal.cc: Test
 938         post-increment and post-decrement.
 939
 940         * doc/xml/manual/status_cxx2017.xml: Update references to C++17
 941         section numbers.
 942
 943         * testsuite/decimal/conversion-to-integral.cc: Use predefined macro
 944         instead of non-standard glibc one.
 945
 946 2017-10-16  François Dumont  <fdumont@gcc.gnu.org>
 947
 948         PR libstdc++/82558
 949         * include/bits/stl_bvector.h (fill): Add iterator offset check.
 950         * testsuite/23_containers/vector/bool/82558.cc: New.
 951
 952 2017-10-13  Jonathan Wakely  <jwakely@redhat.com>
 953
 954         PR libstdc++/82522
 955         * doc/xml/manual/intro.xml: Document LWG 2354 changes.
 956         * include/bits/stl_map.h (map::insert(value_type&&))
 957         (map::insert(const_iterator, value_type&&)): Add overload for rvalues.
 958         * include/bits/stl_multimap.h (multimap::insert(value_type&&))
 959         (multimap::insert(const_iterator, value_type&&)): Likewise.
 960         * include/bits/unordered_map.h (unordered_map::insert(value_type&&))
 961         (unordered_map::insert(const_iterator, value_type&&))
 962         (unordered_multimap::insert(value_type&&))
 963         (unordered_multimap::insert(const_iterator, value_type&&)): Likewise.
 964         * testsuite/23_containers/map/modifiers/insert/dr2354.cc: New test.
 965         * testsuite/23_containers/multimap/modifiers/insert/dr2354.cc: New
 966         test.
 967         * testsuite/23_containers/unordered_map/insert/dr2354.cc: New test.
 968         * testsuite/23_containers/unordered_multimap/insert/dr2354.cc: New
 969         test.
 970
 971         PR libstdc++/82481
 972         * include/std/mutex (call_once): Suppress clang-tidy warnings about
 973         dangling references.
 974
 975 2017-10-10  Jonathan Wakely  <jwakely@redhat.com>
 976
 977         * include/bits/streambuf_iterator.h (istreambuf_iterator::equal):
 978         Update comment about NAD issue.
 979
 980         PR libstdc++/59087
 981         PR libstdc++/82417
 982         * include/c_compatibility/complex.h [!C++98 && __STRICT_ANSI__]: Do
 983         not include C library's <complex.h>.
 984         * testsuite/26_numerics/complex/c99.cc: Depend on __STRICT_ANSI__.
 985         * testsuite/26_numerics/headers/complex.h/std_c++11.h: New test.
 986         * testsuite/26_numerics/headers/complex.h/std_gnu++11.h: New test.
 987         * testsuite/26_numerics/headers/complex.h/std_c++98.h: New test.
 988
 989 2017-10-05  Jonathan Wakely  <jwakely@redhat.com>
 990
 991         * testsuite/20_util/to_chars/1.cc: Add dg-require-string-conversions.
 992
 993 2017-10-04  Petr Ovtchenkov  <ptr@void-ptr.info>
 994             François Dumont  <fdumont@gcc.gnu.org>
 995
 996         * include/bits/streambuf_iterator.h
 997         (istreambuf_iterator<>::operator*()): Do not capture iterator state
 998         in Debug assertion.
 999         (istreambuf_iterator<>::operator++()): Likewise and remove _M_sbuf check.
1000         (istreambuf_iterator<>::operator++(int)): Likewise.
1001         (istreambuf_iterator<>::_M_get()): Remove _M_c assignment.
1002         (istreambuf_iterator<>::_S_is_eof()): New.
1003         (istreambuf_iterator<>::_M_at_eof()): Adapt, use latter.
1004         (find(istreambuf_iterator<>, istreambuf_iterator<>, _CharT)):
1005         Return an iterator with _M_c set to eof to capture streambuf state
1006         on evaluation.
1007         (testsuite/24_iterators/istreambuf_iterator/2.cc): Add checks.
1008
1009 2017-10-03  Jakub Jelinek  <jakub@redhat.com>
1010
1011         * include/std/charconv (__unsigned_least_t): Fix number of closing >s for
1012         !_GLIBCXX_USE_INT128.
1013
1014 2017-10-02  Jonathan Wakely  <jwakely@redhat.com>
1015
1016         * include/Makefile.am: Add new <charconv> header.
1017         * include/Makefile.in: Regenerate.
1018         * include/precompiled/stdc++.h: Include <charconv>.
1019         * include/std/charconv: New file.
1020         (to_chars_result, to_chars, from_chars_result, from_chars): Define.
1021         * testsuite/20_util/from_chars/1.cc: New test.
1022         * testsuite/20_util/from_chars/1_neg.cc: New test.
1023         * testsuite/20_util/from_chars/2.cc: New test.
1024         * testsuite/20_util/from_chars/requirements.cc: New test.
1025         * testsuite/20_util/to_chars/1.cc: New test.
1026         * testsuite/20_util/to_chars/1_neg.cc: New test.
1027         * testsuite/20_util/to_chars/2.cc: New test.
1028         * testsuite/20_util/to_chars/requirements.cc: New test.
1029
1030 2017-09-27  François Dumont  <fdumont@gcc.gnu.org>
1031
1032         * testsuite/22_locale/money_get/get/char/22131.cc: Make test less
1033         istreambuf_iterator implementation dependent.
1034         * testsuite/22_locale/money_get/get/wchar_t/22131.cc: Likewise.
1035
1036 2017-09-25  Uros Bizjak  <ubizjak@gmail.com>
1037
1038         PR c/81854
1039         * src/c++98/complex_io.cc (_GLIBCXX_LDBL_COMPAT): Declare alias
1040         target as a C++ function with no prototype.
1041
1042 2017-09-21  Jonathan Wakely  <jwakely@redhat.com>
1043
1044         * testsuite/25_algorithms/clamp/1.cc: Fix order of arguments and
1045         expected results when using predicate defining reverse order.
1046         * testsuite/25_algorithms/clamp/constexpr.cc: Likewise.
1047
1048 2017-09-20  Jonathan Wakely  <jwakely@redhat.com>
1049
1050         PR libstdc++/79162
1051         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1052         (basic_string::_If_sv): Remove from the overload set when the
1053         argument is derived from basic_string.
1054
1055         PR libstdc++/79162
1056         * include/bits/basic_string.h (basic_string::_If_sv): Remove from the
1057         overload set when the argument is derived from basic_string.
1058         * testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc: New
1059         test.
1060         * testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc:
1061         New test.
1062
1063         * testsuite/24_iterators/range_access_cpp17.cc: Fix order of dg-do
1064         and dg-options directives. Fix invalid test.
1065
1066         PR libstdc++/81469
1067         * libsupc++/exception (uncaught_exception): Deprecate for C++17.
1068         * testsuite/18_support/exception_ptr/62258.cc: Add -Wno-deprecated.
1069         * testsuite/18_support/uncaught_exception/14026.cc: Likewise.
1070
1071         * include/bits/c++config (_GLIBCXX17_DEPRECATED): Define.
1072         * include/bits/functional_hash.h (__hash_base::result_type)
1073         (__hash_base::argument_type): Add _GLIBCXX17_DEPRECATED.
1074         * include/std/optional (hash<optional<T>>::result_type)
1075         (hash<optional<T>>::argument_type): Add deprecated attribute.
1076         (__is_fast_hash<hash<optional<T>>>): Add partial specialization.
1077         * include/std/variant (hash<variant<Types...>>::result_type)
1078         (hash<variant<Types...>>::argument_type): Add deprecated attribute.
1079         (__is_fast_hash<hash<variant<Types...>>>): Add partial specialization.
1080
1081         * libsupc++/exception_ptr.h (copy_exception): Remove deprecated
1082         non-standard function.
1083
1084         PR libstdc++/82262
1085         * include/std/optional (__optional_hash_call_base): Add template
1086         parameter for remove_const_t<_Tp> and use it consistently.
1087         * testsuite/20_util/optional/hash.cc: Test optional<const T>.
1088
1089 2017-09-19  Jonathan Wakely  <jwakely@redhat.com>
1090
1091         PR libstdc++/71500
1092         * include/bits/regex_executor.tcc
1093         (_Backref_matcher<BidIt, regex_traits<C>>::_M_apply): Use
1094         std::__equal4 instead of C++14 4-iterator overloads of std::equal.
1095         * include/bits/stl_algobase.h (__equal4): New functions implementing
1096         4-iterator overloads of std::equal for use in C++11.
1097         (equal(It1, It1, It2, It2), equal(It1, It1, It2, It2, BinaryPred)):
1098         Move function bodies to new __equal4 functions.
1099         * testsuite/28_regex/simple_c++11.cc: New.
1100
1101         PR libstdc++/82254
1102         * include/std/type_traits (__is_invocable): Add partial specialization
1103         for INVOKE<void> case and remove is_void<R> check from partial
1104         specialization for INVOKE<R> case.
1105         (__is_nt_invocable_impl): New helper for is_nothrow_invocable_r.
1106         (is_nothrow_invocable_r): Use __is_nt_invocable_impl.
1107         * testsuite/20_util/is_nothrow_invocable/value.cc: Add tests for
1108         conversions that can throw or fail to convert. Use static assert
1109         strings to explain negative results.
1110         * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Use
1111         is_nothrow_constructible in is_nt_invocable_conv.
1112
1113 2017-09-18  Jonathan Wakely  <jwakely@redhat.com>
1114
1115         PR libstdc++/81468
1116         * testsuite/20_util/duration/cons/dr1177.cc: Fix incorrect test and
1117         improve static assertion messages.
1118
1119         * include/std/utility (_Itup_cat, _Make_integer_sequence): Remove.
1120         (_Build_index_tuple, make_integer_sequence): Use built-in to generate
1121         pack expansion.
1122
1123         PR libstdc++/71187
1124         * include/std/type_traits (__declval): New function to deduce return
1125         type of declval.
1126         (__declval_protector::_delegate): Remove.
1127         (declval): Use __declval instead of add_rvalue_reference and
1128         __declval_protector::__delegate.
1129         * testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
1130         lineno.
1131         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
1132         Likewise.
1133         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
1134         Likewise.
1135
1136 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
1137
1138         * testsuite/libstdc++-prettyprinters/cxx17.cc: Use -std=c++17 or
1139         -std=gnu++17 instead of -std=c++1z or -std=gnu++1z.  Use c++17 instead
1140         of c++1z and c++17_only instead of c++1z_only.  Adjust expected
1141         diagnostics and comments refering to 1z to 17.
1142         * testsuite/30_threads/lock_guard/cons/deduction.cc: Likewise.
1143         * testsuite/30_threads/scoped_lock/cons/deduction.cc: Likewise.
1144         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1145         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1146         * testsuite/30_threads/scoped_lock/requirements/explicit_instantiation.cc:
1147         Likewise.
1148         * testsuite/30_threads/unique_lock/cons/deduction.cc: Likewise.
1149         * testsuite/18_support/launder/1.cc (test02): Likewise.
1150         * testsuite/18_support/launder/requirements_neg.cc: Likewise.
1151         * testsuite/18_support/launder/requirements.cc: Likewise.
1152         * testsuite/18_support/byte/requirements.cc: Likewise.
1153         * testsuite/18_support/byte/ops.cc: Likewise.
1154         * testsuite/18_support/byte/global_neg.cc: Likewise.
1155         * testsuite/18_support/uncaught_exceptions/uncaught_exceptions.cc:
1156         Likewise.
1157         * testsuite/27_io/types/4.cc: Likewise.
1158         * testsuite/25_algorithms/sample/81221.cc: Likewise.
1159         * testsuite/25_algorithms/sample/1.cc: Likewise.
1160         * testsuite/25_algorithms/sample/2.cc: Likewise.
1161         * testsuite/25_algorithms/search/searcher.cc: Likewise.
1162         * testsuite/28_regex/basic_regex/ctors/deduction.cc: Likewise.
1163         * testsuite/experimental/filesystem/path/construct/string_view.cc:
1164         Likewise.
1165         * testsuite/24_iterators/range_access_cpp17.cc: Likewise.
1166         * testsuite/24_iterators/container_access.cc: Likewise.
1167         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1168         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1169         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1170         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1171         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1172         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1173         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1174         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1175         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1176         * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
1177         * testsuite/20_util/shared_ptr/cons/deduction.cc: Likewise.
1178         * testsuite/20_util/shared_ptr/cons/array.cc: Likewise.
1179         * testsuite/20_util/shared_ptr/observers/array.cc (struct A): Likewise.
1180         * testsuite/20_util/pair/cons/deduction.cc: Likewise.
1181         * testsuite/20_util/variant/deduction.cc: Likewise.
1182         * testsuite/20_util/tuple/78939.cc: Likewise.
1183         * testsuite/20_util/tuple/cons/deduction.cc: Likewise.
1184         * testsuite/20_util/void_t/1.cc: Likewise.
1185         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Likewise.
1186         * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: Likewise.
1187         * testsuite/20_util/addressof/requirements/constexpr.cc: Likewise.
1188         * testsuite/20_util/weak_ptr/cons/deduction.cc: Likewise.
1189         * testsuite/20_util/has_unique_object_representations/requirements/typedefs.cc:
1190         Likewise.
1191         * testsuite/20_util/has_unique_object_representations/requirements/explicit_instantiation.cc:
1192         Likewise.
1193         * testsuite/20_util/has_unique_object_representations/value.cc:
1194         Likewise.
1195         * testsuite/20_util/time_point/arithmetic/constexpr.cc: Likewise.
1196         * testsuite/20_util/function_objects/invoke/59768.cc: Likewise.
1197         * testsuite/20_util/function_objects/mem_fn/80478.cc: Likewise.
1198         * testsuite/20_util/function/cons/deduction.cc: Likewise.
1199         * testsuite/20_util/specialized_algorithms/memory_management_tools/destroy_neg.cc:
1200         Likewise.
1201         * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
1202         * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
1203         Likewise.
1204         * testsuite/20_util/is_aggregate/value.cc: Likewise.
1205         * testsuite/26_numerics/lcm/1.cc: Likewise.
1206         * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1207         * testsuite/26_numerics/gcd/1.cc: Likewise.
1208         * testsuite/26_numerics/gcd/gcd_neg.cc: Likewise.
1209         * testsuite/26_numerics/valarray/deduction.cc: Likewise.
1210         * testsuite/26_numerics/headers/cmath/types_std_c++0x_neg.cc: Likewise.
1211         * testsuite/26_numerics/headers/cmath/hypot.cc: Likewise.
1212         * testsuite/23_containers/queue/members/emplace_cxx17_return.cc:
1213         Likewise.
1214         * testsuite/23_containers/array/cons/deduction.cc: Likewise.
1215         * testsuite/23_containers/array/cons/deduction_neg.cc: Likewise.
1216         * testsuite/23_containers/deque/modifiers/emplace/cxx17_return.cc:
1217         Likewise.
1218         * testsuite/23_containers/deque/cons/deduction.cc: Likewise.
1219         * testsuite/23_containers/stack/members/emplace_cxx17_return.cc:
1220         Likewise.
1221         * testsuite/23_containers/list/modifiers/emplace/cxx17_return.cc:
1222         Likewise.
1223         * testsuite/23_containers/list/cons/deduction.cc: Likewise.
1224         * testsuite/23_containers/forward_list/modifiers/emplace_cxx17_return.cc:
1225         Likewise.
1226         * testsuite/23_containers/forward_list/cons/deduction.cc: Likewise.
1227         * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Likewise.
1228         * testsuite/23_containers/vector/modifiers/emplace/cxx17_return.cc:
1229         Likewise.
1230         * testsuite/23_containers/vector/cons/deduction.cc: Likewise.
1231         * testsuite/23_containers/vector/bool/emplace_cxx17_return.cc:
1232         Likewise.
1233         * testsuite/21_strings/basic_string/cons/char/9.cc: Likewise.
1234         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Likewise.
1235         * testsuite/21_strings/basic_string/cons/char/79162.cc: Likewise.
1236         * testsuite/21_strings/basic_string/cons/wchar_t/9.cc: Likewise.
1237         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1238         Likewise.
1239         * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: Likewise.
1240         * testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
1241         Likewise.
1242         * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
1243         Likewise.
1244         * testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
1245         Likewise.
1246         * testsuite/21_strings/basic_string_view/operations/compare/char/70483.cc:
1247         Likewise.
1248         * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/2.cc:
1249         Likewise.
1250         * testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
1251         Likewise.
1252
1253 2017-09-13  Jonathan Wakely  <jwakely@redhat.com>
1254
1255         PR libstdc++/81468
1256         * include/std/chrono (__enable_if_is_duration)
1257         (__disable_if_is_duration): New alias templates to simplify SFINAE.
1258         (duration_cast, floor, ceil): Use __enable_if_is_duration.
1259         (duration::__is_float, duration::__is_harmonic): New alias templates
1260         to simplify SFINAE.
1261         (duration::duration(const _Rep2&)): Use _Require, __is_float and
1262         __is_harmonic.
1263         (duration::duration(const duration<_Rep2, _Period2>&)): Likewise.
1264         (__common_rep_type): Remove, replace with ...
1265         (__common_rep_t): New alias template.
1266         (operator*, operator/, operator%): Use __common_rep_t and
1267         __disable_if_is_duration.
1268         (time_point::time_point(const time_point<clock, _Dur2>&)): Add missing
1269         constraint from LWG DR 1177.
1270         * testsuite/20_util/duration/cons/dr1177.cc: New.
1271         * testsuite/20_util/duration/literals/range.cc: Update dg-error line.
1272         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1273         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1274         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1275         * testsuite/20_util/time_point/cons/81468.cc: New.
1276
1277         * doc/doxygen/mainpage.html: Fix broken URLs.
1278
1279         PR libstdc++/81835
1280         * doc/xml/manual/extensions.xml: Replace unstable URL.
1281         * doc/html/manual/ext_demangling.html: Regenerate.
1282         * libsupc++/cxxabi.h (__cxa_demangle): Fix broken URL.
1283
1284         * include/bits/allocated_ptr.h (__allocated_ptr::get): Use
1285         __to_address.
1286         (__allocated_ptr::_S_raw_ptr): Remove.
1287         * include/bits/forward_list.h (_Fwd_list_base::_M_get_node): Use
1288         __to_address.
1289         * include/bits/hashtable_policy.h (_Hashtable_alloc): Likewise.
1290         * include/bits/ptr_traits.h (__to_address): Define new function
1291         template.
1292         * include/bits/shared_ptr_base.h (__shared_ptr): Use __to_address.
1293         (__shared_ptr::_S_raw_ptr): Remove.
1294         * include/bits/stl_vector.h [__cplusplus >= 201103L]
1295         (vector::_M_data_ptr): Use __to_address.
1296         [__cplusplus < 201103L] (vector::_M_data_ptr): Don't dereference
1297         possibly invalid pointers.
1298         * include/ext/alloc_traits.h (__alloc_traits::construct)
1299         (__alloc_traits::destroy): Use __to_address.
1300
1301 2017-09-12  Jonathan Wakely  <jwakely@redhat.com>
1302
1303         PR libstdc++/79433
1304         * include/Makefile.am: Remove <bits/c++14_warning.h>.
1305         * include/Makefile.in: Regenerate.
1306         * include/bits/c++14_warning.h: Remove.
1307         * include/experimental/algorithm: Do not include <c++14_warning.h>.
1308         * include/experimental/any: Likewise.
1309         * include/experimental/array: Likewise.
1310         * include/experimental/bits/erase_if.h: Likewise.
1311         * include/experimental/bits/lfts_config.h: Likewise.
1312         * include/experimental/bits/shared_ptr.h: Likewise.
1313         * include/experimental/bits/string_view.tcc: Likewise.
1314         * include/experimental/chrono: Likewise.
1315         * include/experimental/deque: Likewise.
1316         * include/experimental/filesystem: Do not include <c++0x_warning.h>.
1317         * include/experimental/forward_list: Do not include <c++14_warning.h>.
1318         * include/experimental/functional: Likewise.
1319         * include/experimental/iterator: Likewise.
1320         * include/experimental/list: Likewise.
1321         * include/experimental/map: Likewise.
1322         * include/experimental/memory: Likewise.
1323         * include/experimental/numeric: Likewise.
1324         * include/experimental/optional: Likewise.
1325         * include/experimental/propagate_const: Likewise.
1326         * include/experimental/ratio: Likewise.
1327         * include/experimental/regex: Likewise.
1328         * include/experimental/set: Likewise.
1329         * include/experimental/string: Likewise.
1330         * include/experimental/string_view: Likewise.
1331         * include/experimental/system_error: Likewise.
1332         * include/experimental/tuple: Likewise.
1333         * include/experimental/type_traits: Likewise.
1334         * include/experimental/unordered_map: Likewise.
1335         * include/experimental/unordered_set: Likewise.
1336         * include/experimental/vector: Likewise.
1337         * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error
1338         line number.
1339         * testsuite/experimental/array/neg.cc: Likewise.
1340         * testsuite/experimental/propagate_const/assignment/move_neg.cc:
1341         Likewise.
1342         * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
1343         * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
1344         * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
1345         * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
1346         * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
1347
1348         PR libstdc++/79433
1349         * doc/xml/manual/status_cxx2017.xml: Update feature-test macros.
1350         * doc/html/*: Regenerate.
1351         * include/Makefile.am: Remove <bits/c++17_warning.h>.
1352         * include/Makefile.in: Regenerate.
1353         * include/bits/c++17_warning.h: Remove.
1354         * include/bits/string_view.tcc: Do not include <bits/c++17_warning.h>
1355         for pre-C++17 modes.
1356         * include/std/any: Likewise.
1357         (__cpp_lib_any): Define.
1358         * include/std/mutex (__cpp_lib_scoped_lock): Adjust value as per new
1359         SD-6 draft.
1360         * include/std/numeric (__cpp_lib_gcd_lcm): Define as per new SD-6
1361         draft.
1362         * include/std/optional: Do not include <bits/c++17_warning.h>.
1363         (__cpp_lib_optional): Define.
1364         * include/std/shared_mutex: Do not include <bits/c++14_warning.h>.
1365         * include/std/string_view: Do not include <bits/c++17_warning.h>.
1366         (__cpp_lib_string_view): Define.
1367         * include/std/variant: Do not include <bits/c++17_warning.h>.
1368         (__cpp_lib_variant): Define.
1369         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error line
1370         numbers.
1371         * testsuite/26_numerics/gcd/1.cc: Test for __cpp_lib_gcd_lcm.
1372         * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line
1373         numbers.
1374         * testsuite/26_numerics/lcm/1.cc: Test for __cpp_lib_gcd_lcm.
1375         * testsuite/26_numerics/lcm/lcm_neg.cc: Adjust dg-error line
1376         numbers.
1377         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Adjust
1378         expected value of __cpp_lib_scoped_lock.
1379
1380         PR libstdc++/70483
1381         * include/experimental/bits/string_view.tcc (basic_string_view::find)
1382         (basic_string_view::rfind, basic_string_view::find_first_of)
1383         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
1384         (basic_string_view::find_last_not_of): Add constexpr specifier.
1385         * include/experimental/string_view (basic_string_view::remove_prefix)
1386         (basic_string_view::remove_suffix, basic_string_view::swap)
1387         (basic_string_view::compare, basic_string_view::find)
1388         (basic_string_view::rfind, basic_string_view::find_first_of)
1389         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
1390         (basic_string_view::find_last_not_of, operator==, operator!=)
1391         (operator<, operator>, operator<=, operator>=): Likewise.
1392         * testsuite/experimental/string_view/operations/compare/char/70483.cc:
1393         New.
1394
1395 2017-09-11  Jonathan Wakely  <jwakely@redhat.com>
1396
1397         PR libstdc++/70483
1398         * include/bits/string_view.tcc (basic_string_view::find)
1399         (basic_string_view::rfind, basic_string_view::find_first_of)
1400         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
1401         (basic_string_view::find_last_not_of): Add constexpr specifier.
1402         * include/std/string_view (basic_string_view::operator=)
1403         (basic_string_view::rbegin, basic_string_view::rend)
1404         (basic_string_view::crbegin, basic_string_view::crend)
1405         (basic_string_view::remove_prefix, basic_string_view::remove_suffix)
1406         (basic_string_view::swap, basic_string_view::compare)
1407         (basic_string_view::find, basic_string_view::rfind)
1408         (basic_string_view::find_first_of, basic_string_view::find_last_of)
1409         (basic_string_view::find_first_not_of)
1410         (basic_string_view::find_last_not_of, basic_string_view::_M_check)
1411         (basic_string_view::_M_limit, operator==, operator!=, operator<)
1412         (operator>, operator<=, operator>=): Likewise.
1413         * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1414         char/1.cc: Repeat tests in constexpr context.
1415         * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1416         wchar_t/1.cc: Likewise.
1417         * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1418         char/1.cc: Likewise.
1419         * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1420         wchar_t/1.cc: Likewise.
1421         * testsuite/21_strings/basic_string_view/operations/find/char/1.cc:
1422         Likewise.
1423         * testsuite/21_strings/basic_string_view/operations/find/char/2.cc:
1424         Likewise.
1425         * testsuite/21_strings/basic_string_view/operations/find/char/3.cc:
1426         Likewise.
1427         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/1.cc:
1428         Likewise.
1429         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/2.cc:
1430         Likewise.
1431         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/3.cc:
1432         Likewise.
1433         * testsuite/21_strings/basic_string_view/operators/char/2.cc:
1434         Likewise.
1435         * testsuite/21_strings/basic_string_view/operators/wchar_t/2.cc:
1436         Likewise.
1437         * testsuite/21_strings/basic_string_view/range_access/char/1.cc: Test
1438         cbegin, cend, rbegin, rend, crbegin and crend.
1439         * testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc:
1440         Likewise.
1441         * testsuite/21_strings/basic_string_view/operations/compare/char/1.cc:
1442         Remove trailing whitespace.
1443         * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
1444         1.cc: Likewise.
1445         * testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
1446         New.
1447         * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
1448         New.
1449         * testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
1450         New.
1451         * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
1452         2.cc: New.
1453
1454 2017-09-11  Tim Shen  <timshen@google.com>
1455
1456         PR libstdc++/71500
1457         * include/bits/regex_executor.tcc: Support icase in regex_traits<...>
1458         for back reference matches.
1459         * testsuite/28_regex/regression.cc: Test case.
1460
1461 2017-09-11  Jonathan Wakely  <jwakely@redhat.com>
1462
1463         * testsuite/21_strings/basic_string/lwg2946.cc: Adjust for
1464         compatibility with old COW std::string.
1465
1466 2017-09-09  Gerald Pfeifer  <gerald@pfeifer.com>
1467
1468         * doc/xml/manual/allocator.xml: Adjust link for Hoard.
1469         * doc/html/manual/memory.html: Regenerate.
1470
1471 2017-09-04  Daniel Kruegler  <daniel.kruegler@gmail.com>
1472
1473         PR libstdc++/79162
1474         Implement LWG 2946, LWG 2758's resolution missed further corrections
1475         * include/bits/basic_string.h (basic_string::compare): Add missing
1476         required noexcept specifications.
1477         (basic_string): Introduce internal _S_to_string_view and __sv_wrapper
1478         for implicit string_view conversion.
1479         (basic_string::basic_string): Fix explicit string_view conversion by
1480         implicit conversion using _S_to_string_view and __sv_wrapper.
1481         (basic_string): Introduce internal basic_string(__sv_wrapper, Alloc)
1482         constructor.
1483         (basic_string): Fix operator=(T) template by operator=(const T&)
1484         template for uncopyable types (PR 79162).
1485         (basic_string::operator+=, basic_string::append, basic_string::assign)
1486         (basic_string::insert, basic_string::replace, basic_string::find)
1487         (basic_string::rfind, basic_string::find_first_of)
1488         (basic_string::find_last_of, basic_string::find_first_not_of)
1489         (basic_string::find_last_not_of, basic_string::compare): Replace
1490         __sv_type argument by template const T& (LWG 2946) and correct
1491         documentation describing __sv_type argument.
1492         (basic_string::find, basic_string::rfind, basic_string::find_first_of)
1493         (basic_string::find_last_of, basic_string::find_first_not_of)
1494         (basic_string::find_last_not_of, basic_string::compare): Replace
1495         unconditional noexcept specification by conditional noexcept
1496         specification to partially balance the removal of noexcept by LWG 2946.
1497         * testsuite/21_strings/basic_string/79162.cc: New.
1498         * testsuite/21_strings/basic_string/lwg2946.cc: New.
1499
1500 2017-08-31  Jonathan Wakely  <jwakely@redhat.com>
1501
1502         PR c++/82039
1503         * include/ext/new_allocator.h (__gnu_cxx::new_allocator::allocate):
1504         Adjust null pointer constant to avoid warning.
1505
1506 2017-08-24  François Dumont  <fdumont@gcc.gnu.org>
1507
1508         * include/bits/stl_list.h
1509         [!_GLIBCXX_INLINE_VERSION](_List_base<>::_S_distance): Remove.
1510         (_List_impl(_Node_alloc_type&&, _List_impl&&)): New.
1511         (_List_base(_Node_alloc_type&&, _List_base&&)): New, use latter.
1512         [!_GLIBCXX_INLINE_VERSION](_List_base(_Node_alloc_type&&,_List_base&&)):
1513         Remove.
1514         (_List_base(_Node_alloc_type&&)): New.
1515         [!_GLIBCXX_INLINE_VERSION](_List_base<>::_M_distance): Remove.
1516         [!_GLIBCXX_INLINE_VERSION](_List_base<>::_M_node_count): Remove.
1517         (list<>::_M_node_count): New.
1518         (list<>::size()): Adapt to call latter.
1519         (list<>::_S_distance(const_iterator, const_iterator)): New.
1520         (list<>::splice(iterator, list&, const_iterator, const_iterator)):
1521         Adapt to call latter.
1522         (list(list&&, const allocator_type&, true_type)): New.
1523         (list(list&&, const allocator_type&, false_type)): New.
1524         (list(list&&, const allocator_type&)): Adapt to call latters.
1525
1526 2017-08-21  Jonathan Wakely  <jwakely@redhat.com>
1527
1528         PR libstdc++/81912
1529         * include/bits/stl_iterator_base_types.h (__iterator_category): Add
1530         constexpr for C++11 and later.
1531         * testsuite/24_iterators/container_access.cc: Add target selector.
1532         * testsuite/24_iterators/range_access.cc: Fix clause number in
1533         comment.
1534         * testsuite/24_iterators/range_access_cpp14.cc: Likewise.
1535         * testsuite/24_iterators/range_access_cpp17.cc: New.
1536
1537 2017-08-21  Richard Biener  <rguenther@suse.de>
1538
1539         * testsuite/libstdc++-prettyprinters/prettyprinters.exp: Run all
1540         tests with -flto as well if supported.
1541
1542 2017-08-20  Martin Sebor  <msebor@redhat.com>
1543
1544         PR c/81854
1545         * src/c++98/compatibility.cc (_GLIBCXX_3_4_SYMVER): Declare alias
1546         target as a C++ function with no prototype.
1547         (_GLIBCXX_3_4_5_SYMVER): Ditto.
1548
1549 2017-08-20  John David Anglin  <danglin@gcc.gnu.org>
1550
1551         PR testsuite/81056
1552         * testsuite/17_intro/names.cc: Undef 'd' and 'r' on __hpux__.
1553
1554 2017-08-18  Jonathan Wakely  <jwakely@redhat.com>
1555
1556         * include/bits/hashtable_policy.h (_ReuseOrAllocNode): Remove
1557         __value_alloc_type and __value_alloc_traits typedefs.
1558         (_ReuseOrAllocNode::operator()): Call construct and destroy on the
1559         node allocator.
1560         (_Hashtable_alloc): Simplify __value_alloc_traits typedef.
1561         (_Hashtable_alloc<_NodeAlloc>::_M_allocate_node(_Args&&...)): Call
1562         construct on the node allocator.
1563         (_Hashtable_alloc<_NodeAlloc>::_M_deallocate_node(__node_type*)): Call
1564         destroy on the node allocator.
1565
1566         PR libstdc++/81891
1567         * include/bits/hashtable.h (_Hashtable(_InputIterator, _InputIterator,
1568         size_type, const _H1&, const _H2&, const _Hash&, const _Equal&,
1569         const _ExtractKey&, const allocator_type&)): Let destructor do clean
1570         up if an exception is thrown.
1571         * testsuite/23_containers/unordered_map/cons/81891.cc: New.
1572
1573 2017-08-11  Jonathan Wakely  <jwakely@redhat.com>
1574
1575         PR libstdc++/81808
1576         * testsuite/27_io/basic_fstream/53984.cc: Adjust test for targets
1577         that allow opening a directory as a FILE and reading from it.
1578
1579 2017-08-09  Jonathan Wakely  <jwakely@redhat.com>
1580
1581         * include/std/type_traits (_GLIBCXX_NO_BUILTIN_HAS_UNIQ_OBJ_REP):
1582         Replace with _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP and use
1583         __is_identifier to set it.
1584
1585 2017-08-09  Katsuhiko Nishimra  <ktns.87@gmail.com>
1586
1587         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Use
1588         __is_identifier instead of __has_builtin.
1589
1590 2017-08-09  Jonathan Wakely  <jwakely@redhat.com>
1591
1592         PR libstdc++/79820
1593         PR libstdc++/81751
1594         * config/io/basic_file_stdio.cc (sys_open(FILE*, ios_base::openmode)):
1595         Call fflush on the stream instead of calling sync() while _M_cfile is
1596         null. Restore original value of errno.
1597         * testsuite/ext/stdio_filebuf/char/79820.cc: New.
1598         * testsuite/ext/stdio_filebuf/char/81751.cc: New.
1599
1600 2017-07-31  Marek Polacek  <polacek@redhat.com>
1601
1602         PR libstdc++/81599
1603         * include/bits/stl_stack.h: Fix typo.
1604
1605 2017-07-26  Jonathan Wakely  <jwakely@redhat.com>
1606
1607         * testsuite/27_io/basic_fstream/53984.cc: Fix test.
1608
1609 2017-07-26  Paolo Carlini  <paolo.carlini@oracle.com>
1610
1611         * testsuite/27_io/basic_fstream/53984.cc: Fix typo in dg-require
1612         directive.
1613
1614 2017-07-25  Jonathan Wakely  <jwakely@redhat.com>
1615
1616         PR libstdc++/53984
1617         * include/bits/basic_ios.h (basic_ios::_M_setstate): Adjust comment.
1618         * include/bits/istream.tcc (basic_istream::sentry): Handle exceptions
1619         during construction.
1620         * include/std/istream: Adjust comments for formatted input functions
1621         and unformatted input functions.
1622         * testsuite/27_io/basic_fstream/53984.cc: New.
1623         * testsuite/27_io/basic_istream/sentry/char/53984.cc: New.
1624
1625         * include/bits/ios_base.h (ios_base::io_state, ios_base::open_mode)
1626         (ios_base::seek_dir): Remove for C++17.
1627         * include/std/streambuf (basic_streambuf::stossc): Remove for C++17.
1628         Add deprecated attribute for C++11 and C++14.
1629         * testsuite/27_io/types/1.cc: Don't run for C++17 and later.
1630         * testsuite/27_io/types/4.cc: New.
1631
1632 2017-07-23  Michael Collison  <michael.collison@arm.com>
1633
1634         Add optimized implementation of mersenne twister for aarch64
1635         * config/cpu/aarch64/opt/ext/opt_random.h: New file.
1636         (__arch64_recursion): New function.
1637         (__aarch64_lsr_128): New function.
1638         (__aarch64_lsl_128): New function.
1639         (operator==): New function.
1640         (simd_fast_mersenne_twister_engine): Implement
1641         method _M_gen_rand.
1642         * config/cpu/aarch64/opt/bits/opt_random.h: New file.
1643         * include/ext/random: (simd_fast_mersenne_twister_engine):
1644         add _M_state private array.
1645
1646 2017-07-23  François Dumont  <fdumont@gcc.gnu.org>
1647
1648         PR libstdc++/81064
1649         * include/bits/algorithmfwd.h: Reorganize versioned namespace.
1650         * include/bits/basic_string.h: Likewise.
1651         * include/bits/c++config: Likewise.
1652         * include/bits/deque.tcc: Likewise.
1653         * include/bits/forward_list.h: Likewise.
1654         * include/bits/forward_list.tcc: Likewise.
1655         * include/bits/hashtable_policy.h: Likewise.
1656         * include/bits/list.tcc: Likewise.
1657         * include/bits/move.h: Likewise.
1658         * include/bits/quoted_string.h: Likewise.
1659         * include/bits/random.h: Likewise.
1660         * include/bits/random.tcc: Likewise.
1661         * include/bits/regex.h: Likewise.
1662         * include/bits/regex.tcc: Likewise.
1663         * include/bits/regex_automaton.h: Likewise.
1664         * include/bits/regex_automaton.tcc: Likewise.
1665         * include/bits/regex_compiler.h: Likewise.
1666         * include/bits/regex_compiler.tcc: Likewise.
1667         * include/bits/regex_constants.h: Likewise.
1668         * include/bits/regex_error.h: Likewise.
1669         * include/bits/regex_executor.h: Likewise.
1670         * include/bits/regex_executor.tcc: Likewise.
1671         * include/bits/regex_scanner.h: Likewise.
1672         * include/bits/regex_scanner.tcc: Likewise.
1673         * include/bits/specfun.h: Likewise.
1674         * include/bits/stl_algo.h: Likewise.
1675         * include/bits/stl_algobase.h: Likewise.
1676         * include/bits/stl_bvector.h: Likewise.
1677         * include/bits/stl_deque.h: Likewise.
1678         * include/bits/stl_iterator.h: Likewise.
1679         * include/bits/stl_iterator_base_funcs.h: Likewise.
1680         * include/bits/stl_list.h: Likewise.
1681         * include/bits/stl_map.h: Likewise.
1682         * include/bits/stl_multimap.h: Likewise.
1683         * include/bits/stl_multiset.h: Likewise.
1684         * include/bits/stl_relops.h: Likewise.
1685         * include/bits/stl_set.h: Likewise.
1686         * include/bits/stl_vector.h: Likewise.
1687         * include/bits/uniform_int_dist.h: Likewise.
1688         * include/bits/unordered_map.h: Likewise.
1689         * include/bits/unordered_set.h: Likewise.
1690         * include/bits/vector.tcc: Likewise.
1691         * include/c_global/cmath: Likewise.
1692         * include/c_std/cmath: Likewise.
1693         * include/decimal/decimal: Likewise.
1694         * include/decimal/decimal.h: Likewise.
1695         * include/experimental/algorithm: Likewise.
1696         * include/experimental/any: Likewise.
1697         * include/experimental/array: Likewise.
1698         * include/experimental/bits/erase_if.h: Likewise.
1699         * include/experimental/bits/fs_dir.h: Likewise.
1700         * include/experimental/bits/fs_fwd.h: Likewise.
1701         * include/experimental/bits/fs_ops.h: Likewise.
1702         * include/experimental/bits/fs_path.h: Likewise.
1703         * include/experimental/bits/lfts_config.h: Likewise.
1704         * include/experimental/bits/shared_ptr.h: Likewise.
1705         * include/experimental/bits/string_view.tcc: Likewise.
1706         * include/experimental/chrono: Likewise.
1707         * include/experimental/deque: Likewise.
1708         * include/experimental/filesystem: Likewise.
1709         * include/experimental/forward_list: Likewise.
1710         * include/experimental/functional: Likewise.
1711         * include/experimental/iterator: Likewise.
1712         * include/experimental/list: Likewise.
1713         * include/experimental/map: Likewise.
1714         * include/experimental/memory: Likewise.
1715         * include/experimental/memory_resource: Likewise.
1716         * include/experimental/numeric: Likewise.
1717         * include/experimental/optional: Likewise.
1718         * include/experimental/propagate_const: Likewise.
1719         * include/experimental/random: Likewise.
1720         * include/experimental/ratio: Likewise.
1721         * include/experimental/regex: Likewise.
1722         * include/experimental/set: Likewise.
1723         * include/experimental/source_location: Likewise.
1724         * include/experimental/string: Likewise.
1725         * include/experimental/string_view: Likewise.
1726         * include/experimental/system_error: Likewise.
1727         * include/experimental/tuple: Likewise.
1728         * include/experimental/type_traits: Likewise.
1729         * include/experimental/unordered_map: Likewise.
1730         * include/experimental/unordered_set: Likewise.
1731         * include/experimental/utility: Likewise.
1732         * include/experimental/vector: Likewise.
1733         * include/ext/bitmap_allocator.h: Likewise.
1734         * include/ext/codecvt_specializations.h: Likewise.
1735         * include/ext/rope: Likewise.
1736         * include/ext/typelist.h: Likewise.
1737         * include/std/chrono: Likewise.
1738         * include/std/complex: Likewise.
1739         * include/std/functional: Likewise.
1740         * include/std/numeric: Likewise.
1741         * include/std/string_view: Likewise.
1742         * include/std/thread: Likewise.
1743         * include/std/variant: Likewise.
1744         * include/tr1/array: Likewise.
1745         * include/tr1/bessel_function.tcc: Likewise.
1746         * include/tr1/beta_function.tcc: Likewise.
1747         * include/tr1/cmath: Likewise.
1748         * include/tr1/complex: Likewise.
1749         * include/tr1/ell_integral.tcc: Likewise.
1750         * include/tr1/exp_integral.tcc: Likewise.
1751         * include/tr1/functional: Likewise.
1752         * include/tr1/functional_hash.h: Likewise.
1753         * include/tr1/gamma.tcc: Likewise.
1754         * include/tr1/hashtable.h: Likewise.
1755         * include/tr1/hashtable_policy.h: Likewise.
1756         * include/tr1/hypergeometric.tcc: Likewise.
1757         * include/tr1/legendre_function.tcc: Likewise.
1758         * include/tr1/modified_bessel_func.tcc: Likewise.
1759         * include/tr1/poly_hermite.tcc: Likewise.
1760         * include/tr1/poly_laguerre.tcc: Likewise.
1761         * include/tr1/random.h: Likewise.
1762         * include/tr1/random.tcc: Likewise.
1763         * include/tr1/regex: Likewise.
1764         * include/tr1/riemann_zeta.tcc: Likewise.
1765         * include/tr1/shared_ptr.h: Likewise.
1766         * include/tr1/special_function_util.h: Likewise.
1767         * include/tr1/tuple: Likewise.
1768         * include/tr1/type_traits: Likewise.
1769         * include/tr1/unordered_map.h: Likewise.
1770         * include/tr1/unordered_set.h: Likewise.
1771         * include/tr1/utility: Likewise.
1772         * include/tr2/bool_set: Likewise.
1773         * include/tr2/bool_set.tcc: Likewise.
1774         * include/tr2/dynamic_bitset: Likewise.
1775         * include/tr2/dynamic_bitset.tcc: Likewise.
1776         * include/tr2/ratio: Likewise.
1777         * include/tr2/type_traits: Likewise.
1778         * src/c++11/chrono.cc: Likewise.
1779         * src/c++11/compatibility-c++0x.cc: Likewise.
1780         * src/c++11/compatibility-chrono.cc: Likewise.
1781         * src/c++11/cxx11-shim_facets.cc: Likewise.
1782         * src/c++11/hashtable_c++0x.cc: Likewise.
1783         * src/c++11/placeholders.cc: Likewise.
1784         * src/c++11/thread.cc: Likewise.
1785         * src/c++98/bitmap_allocator.cc: Likewise.
1786         * src/c++98/hashtable_tr1.cc: Likewise.
1787         * src/c++98/list.cc: Likewise.
1788         * src/shared/hashtable-aux.cc: Likewise.
1789         * testsuite/20_util/duration/literals/range.cc: Adapt line number.
1790         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1791         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1792         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1793         * testsuite/20_util/forward/c_neg.cc: Likewise.
1794         * testsuite/20_util/forward/f_neg.cc: Likewise.
1795         * testsuite/26_numerics/gcd/gcd_neg.cc: Likewise.
1796         * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1797         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1798         * python/libstdcxx/v6/printers.py: Adapt.
1799
1800 2017-07-20  Jonathan Wakely  <jwakely@redhat.com>
1801
1802         * config/allocator/malloc_allocator_base.h [__SANITIZE_ADDRESS__]
1803         (_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define.
1804         * config/allocator/new_allocator_base.h [__SANITIZE_ADDRESS__]
1805         (_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define.
1806         * doc/xml/manual/using.xml (_GLIBCXX_SANITIZE_VECTOR): Document macro.
1807         * include/bits/stl_vector.h [_GLIBCXX_SANITIZE_VECTOR]
1808         (_Vector_impl::_Asan, _Vector_impl::_Asan::_Reinit)
1809         (_Vector_impl::_Asan::_Grow, _GLIBCXX_ASAN_ANNOTATE_REINIT)
1810         (_GLIBCXX_ASAN_ANNOTATE_GROW, _GLIBCXX_ASAN_ANNOTATE_GREW)
1811         (_GLIBCXX_ASAN_ANNOTATE_SHRINK, _GLIBCXX_ASAN_ANNOTATE_BEFORE_DEALLOC):
1812         Define annotation helper types and macros.
1813         (vector::~vector, vector::push_back, vector::pop_back)
1814         (vector::_M_erase_at_end): Add annotations.
1815         * include/bits/vector.tcc (vector::reserve, vector::emplace_back)
1816         (vector::insert, vector::_M_erase, vector::operator=)
1817         (vector::_M_fill_assign, vector::_M_assign_aux)
1818         (vector::_M_insert_rval, vector::_M_emplace_aux)
1819         (vector::_M_insert_aux, vector::_M_realloc_insert)
1820         (vector::_M_fill_insert, vector::_M_default_append)
1821         (vector::_M_shrink_to_fit, vector::_M_range_insert): Annotate.
1822
1823 2017-07-19  Jonathan Wakely  <jwakely@redhat.com>
1824
1825         PR libstdc++/81476
1826         * include/bits/vector.tcc (vector::_M_range_insert<_InputIterator>):
1827         Only insert elements one-by-one when inserting at the end.
1828         * testsuite/performance/23_containers/insert/81476.cc: New.
1829
1830 2017-07-19  Volker Reichelt  <v.reichelt@netcologne.de>
1831
1832         * libsupc++/new (bad_array_new_length): Remove redundant
1833         semicolon after in-class member function definition.
1834         * include/bits/locale_facets.h (ctype_byname, num_put): Likewise.
1835         * include/bits/locale_facets_nonio.h (time_put_byname): Likewise.
1836         * include/bits/random.h (mersenne_twister_engine): Likewise.
1837         * include/tr1/random.h (mersenne_twister): Likewise
1838         * include/ext/random (simd_fast_mersenne_twister_engine): Likewise.
1839         * include/ext/rope (char_producer, _Rope_char_consumer,
1840         _Rope_self_destruct_ptr, _Rope_const_iterator, _Rope_iterator):
1841         Likewise.
1842         * include/ext/ropeimpl.h (_Rope_flatten_char_consumer,
1843         _Rope_insert_char_consumer): Likewise.
1844
1845 2017-07-19  Jonathan Wakely  <jwakely@redhat.com>
1846
1847         * include/bits/fstream.tcc (basic_filebuf::xsgetn)
1848         (basic_filebuf::xsputn, basic_filebuf::seekoff): Fix indentation.
1849
1850         * testsuite/util/testsuite_iterators.h: Fix indentation.
1851
1852         * testsuite/27_io/basic_filebuf/sgetn/char/81395.cc: Add dg-require.
1853
1854 2017-07-18  Jonathan Wakely  <jwakely@redhat.com>
1855
1856         PR libstdc++/81395
1857         * include/bits/fstream.tcc (basic_filebuf::xsgetn): Don't set buffer
1858         pointers for write mode after reading.
1859         * testsuite/27_io/basic_filebuf/sgetn/char/81395.cc: New.
1860
1861 2017-07-18  François Dumont  <fdumont@gcc.gnu.org>
1862
1863         * include/bits/stl_list.h
1864         (struct _List_node_header): New.
1865         (_List_impl()): Fix noexcept qualification.
1866         (_List_impl(_List_impl&&)): New, default.
1867         (_List_base()): Default.
1868         (_List_base(_List_base&&)): Default.
1869         (_List_base::_M_move_nodes): Adapt to use
1870         _List_node_header._M_move_nodes.
1871         (_List_base::_M_init): Likewise.
1872         (list<>()): Default.
1873         (list<>(list&&)): Default.
1874         (list<>::_M_move_assign(list&&, true_type)): Use _M_move_nodes.
1875         (__distance(_List_const_iterator<>, _List_const_iterator<>,
1876         input_iterator_tag)): Adapt.
1877         * testsuite/23_containers/list/allocator/default_init.cc: New.
1878
1879 2017-07-15  Jonathan Wakely  <jwakely@redhat.com>
1880
1881         * include/std/mutex (scoped_lock): Reorder std::adopt_lock_t parameter
1882         as per P0739R0.
1883         * testsuite/30_threads/scoped_lock/cons/1.cc: Reorder arguments.
1884         * testsuite/30_threads/scoped_lock/cons/deduction.cc: Test deduction
1885         with std::adopt_lock_t.
1886         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Check
1887         feature-test macro.
1888
1889 2017-07-14  Jason Merrill  <jason@redhat.com>
1890             Jonathan Wakely  <jwakely@redhat.com>
1891
1892         * include/std/variant (variant::variant(_Tp&&)): Constrain to remove
1893         the constructor for empty variants from the candidate functions
1894         during class template argument deduction.
1895         * testsuite/20_util/variant/deduction.cc: New.
1896
1897 2017-07-11  Jonathan Wakely  <jwakely@redhat.com>
1898
1899         * doc/xml/faq.xml: Update several old entries. Improve
1900         cross-references.
1901         * doc/xml/manual/intro.xml: Add anchors to each DR.
1902         * doc/html/*: Regenerate.
1903
1904 2017-07-10  Jonathan Wakely  <jwakely@redhat.com>
1905
1906         * testsuite/abi/pr42230.cc: Add header for std::free.
1907
1908         PR libstdc++/81381
1909         * include/bits/sstream.tcc (basic_stringbuf::overflow)
1910         (basic_stringbuf::basic_stringbuf(const __string_type&, ios::mode))
1911         (basic_stringbuf::str()): Construct new strings with an allocator.
1912         * testsuite/27_io/basic_stringbuf/cons/81381.cc: New.
1913
1914         PR libstdc++/81338
1915         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
1916         Declare basic_stringbuf to be a friend.
1917         * include/bits/sstream.tcc (basic_stringbuf::overflow)
1918         [_GLIBCXX_USE_CXX11_ABI]: Use unused capacity before reallocating.
1919         * include/std/sstream (basic_stringbuf::__xfer_bufptrs): Update string
1920         length to buffer length.
1921         * testsuite/27_io/basic_stringstream/assign/81338.cc: New.
1922
1923 2017-07-06  Jonathan Wakely  <jwakely@redhat.com>
1924
1925         * testsuite/20_util/specialized_algorithms/memory_management_tools/
1926         1.cc: Free memory.
1927         * testsuite/22_locale/locale/cons/5.cc: Remove redundant restoration
1928         of original environment and free memory.
1929
1930         * testsuite/abi/pr42230.cc: Free memory.
1931         * testsuite/util/testsuite_abi.cc (demangle): Return std::string
1932         instead of pointer that might need freeing.
1933         * testsuite/util/testsuite_abi.h (demangle): Likewise.
1934         * testsuite/util/testsuite_hooks.cc (verify_demangle): Free memory.
1935
1936         * include/bits/uses_allocator.h (__use_alloc(const _Alloc&&)): Add
1937         deleted overload to prevent dangling references to rvalues.
1938         * include/experimental/memory_resource
1939         (polymorphic_allocator::construct): Do not call __use_alloc with
1940         rvalue arguments.
1941
1942 2017-06-27  Tim Shen  <timshen@google.com>
1943
1944         PR libstdc++/80187
1945         * include/std/variant (variant::variant, variant::~variant,
1946         variant::operator=): Implement triviality forwarding for four
1947         special member functions.
1948         * testsuite/20_util/variant/compile.cc: Tests.
1949
1950 2017-06-27  Jonathan Wakely  <jwakely@redhat.com>
1951
1952         PR libstdc++/81221
1953         * testsuite/25_algorithms/sample/81221.cc: Disable except for
1954         check-parallel.
1955
1956         PR libstdc++/81221
1957         * include/bits/stl_algo.h (sample): Qualify with _GLIBCXX_STD_A not
1958         std.
1959         * testsuite/25_algorithms/sample/81221.cc: New.
1960
1961 2017-06-22  Jonathan Wakely  <jwakely@redhat.com>
1962
1963         PR libstdc++/81173
1964         * include/bits/stl_bvector.h (vector<bool>::_M_initialize_value):
1965         Do not pass null pointer to memset.
1966
1967 2017-06-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
1968
1969         PR libstdc++/80675
1970         PR libstdc++/80940
1971         * include/std/istream:
1972         (__is_convertible_to_basic_istream_test(basic_istream<_Ch, _Up>*)): New.
1973         (__do_is_convertible_to_basic_istream_impl): Likewise.
1974         (__is_convertible_to_basic_istream_impl): Likewise.
1975         (__is_convertible_to_basic_istream): Use the new base.
1976         (__rvalue_istream_type): New.
1977         (operator>>(_Istream&&, _Tp&&)): Use the new helper alias
1978         for the SFINAE check, convert to the helper alias type before
1979         doing the actual extraction.
1980         * include/std/ostream:
1981         (__is_convertible_to_basic_ostream_test(basic_ostream<_Ch, _Up>*)): New.
1982         (__do_is_convertible_to_basic_ostream_impl): Likewise.
1983         (__is_convertible_to_basic_ostream_impl): Likewise.
1984         (__is_convertible_to_basic_ostream): Use the new base.
1985         (__rvalue_ostream_type): New.
1986         (operator<<(_Ostream&&, const _Tp&)): Use the new helper alias
1987         for the SFINAE check, convert to the helper alias type before
1988         doing the actual insertion.
1989         * testsuite/27_io/rvalue_streams-2.cc: Add new tests.
1990
1991 2017-06-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1992
1993         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1994
1995 2017-06-21  Jonathan Wakely  <jwakely@redhat.com>
1996
1997         PR libstdc++/81092
1998         * configure: Regenerate.
1999
2000 2017-06-20  Uros Bizjak  <ubizjak@gmail.com>
2001
2002         * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
2003
2004 2017-06-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2005
2006         * testsuite/20_util/variant/index_type.cc: Allow for all ilp32 and
2007         lp64 targets.
2008
2009 2017-06-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2010
2011         * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
2012         * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
2013         * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
2014         * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
2015         * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
2016         * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
2017         Likewise.
2018         * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
2019         * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
2020         Likewise.
2021
2022 2017-06-18  H.J. Lu  <hongjiu.lu@intel.com>
2023
2024         PR libstdc++/81092
2025         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2026
2027 2017-06-18  Andreas Schwab  <schwab@linux-m68k.org>
2028
2029         PR libstdc++/81092
2030         * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
2031
2032 2017-06-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2033
2034         * testsuite: Remove dg-skip-if, dg-xfail-if, dg-xfail-run-if
2035         default args.
2036
2037 2017-06-17  Jonathan Wakely  <jwakely@redhat.com>
2038
2039         PR libstdc++/80893
2040         * testsuite/23_containers/vector/bool/80893.cc: Add { target c++11 }.
2041
2042 2017-06-16  Jonathan Wakely  <jwakely@redhat.com>
2043
2044         * include/bits/shared_ptr.h (get_deleter): Add overload matching
2045         standard signature.
2046         * include/bits/shared_ptr_base.h (__shared_ptr): Declare new
2047         get_deleter overload as a friend.
2048         * testsuite/20_util/shared_ptr/misc/get_deleter.cc: New.
2049
2050 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
2051
2052         PR libstdc++/81092
2053         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2054         * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
2055         * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
2056
2057 2017-06-16  Jonathan Wakely  <jwakely@redhat.com>
2058
2059         * include/bits/locale_conv.h (wbuffer_convert::sync): Fix condition.
2060         * testsuite/22_locale/conversions/buffer/2.cc: New.
2061
2062         PR libstdc++/81092
2063         * acinclude.m4: Bump libtool_VERSION.
2064         * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
2065         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2066         * config/abi/pre/gnu.ver: Add wstring constructor symbols to
2067         GLIBCXX_3.4.24 version and move random_device::_M_get_entropy() symbol
2068         to new GLIBCXX_3.4.25 version.
2069         * doc/xml/manual/abi.xml: Document new versions.
2070         * doc/html/*: Regenerate.
2071         * testsuite/21_strings/basic_string/cons/char/8.cc: Use base object
2072         constructors to ensure required symbols are exported.
2073         * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
2074         * testsuite/util/testsuite_abi.cc: Add new version.
2075
2076         * include/bits/locale_conv.h (wbuffer_convert::_M_put): Add missing
2077         return statement.
2078         * testsuite/21_strings/basic_string_view/operations/copy/char/1.cc:
2079         Return void.
2080         * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/1.cc:
2081         Likewise.
2082         * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc: Add
2083         missing return statements.
2084         * testsuite/23_containers/unordered_map/modifiers/insert_or_assign.cc:
2085         Likewise.
2086         * testsuite/27_io/basic_istream/extractors_arithmetic/char/12.cc:
2087         Return void.
2088         * testsuite/special_functions/14_expint/pr68397.cc: Likewise.
2089
2090 2017-06-16  François Dumont  <fdumont@gcc.gnu.org>
2091
2092         * include/bits/stl_bvector.h
2093         (__fill_bvector(_Bit_type*, unsigned int, unsigned int, bool)):
2094         Change signature.
2095         (std::fill(_Bit_iterator, _Bit_iterator, bool)): Adapt.
2096         (_Bvector_impl_data): New.
2097         (_Bvector_impl): Inherits from latter.
2098         (_Bvector_impl(_Bit_alloc_type&&)): Delete.
2099         (_Bvector_impl(_Bvector_impl&&)): New, default.
2100         (_Bvector_base()): Default.
2101         (_Bvector_base(_Bvector_base&&)): Default.
2102         (_Bvector_base::_M_move_data(_Bvector_base&&)): New.
2103         (vector(vector&&, const allocator_type&)): Use latter.
2104         (vector<bool>::operator=(vector&&)): Likewise.
2105         (vector<bool>::vector()): Default.
2106         (vector<bool>::vector(vector&&)): Default.
2107         (vector<bool>::assign(_InputIterator, _InputIterator)): Use
2108         _M_assign_aux.
2109         (vector<bool>::assign(initializer_list<bool>)): Likewise.
2110         (vector<bool>::_M_initialize_value(bool)): New.
2111         (vector<bool>(size_type, const bool&, const allocator_type&)): Use
2112         latter.
2113         (vector<bool>::_M_initialize_dispatch(_Integer, _Integer, __true_type)):
2114         Likewise.
2115         (vector<bool>::_M_fill_assign(size_t, bool)): Likewise.
2116
2117 2017-06-15  François Dumont  <fdumont@gcc.gnu.org>
2118
2119         * src/c++98/tree.cc  [!_GLIBCXX_INLINE_VERSION]
2120         (_Rb_tree_rotate_left, _Rb_tree_rotate_right): Delete.
2121
2122 2017-06-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2123
2124         * testsuite: Add dg-require-effective-target pthread to -pthread
2125         tests.
2126         Remove explicit target lists from dg-do and dg-options.
2127
2128         * testsuite/30_threads/async/forced_unwind.cc: Remove explit
2129         target list from dg-options.
2130         * testsuite/30_threads/packaged_task/forced_unwind.cc: Likewise.
2131
2132         * 30_threads/shared_mutex/cons/1.cc: Likewise.
2133         Pass -pthread for all targets.
2134         * 30_threads/shared_mutex/try_lock/1.cc: Likewise.
2135         * 30_threads/shared_mutex/try_lock/2.cc: Likewise.
2136         * 30_threads/shared_mutex/unlock/1.cc: Likewise.
2137
2138         * testsuite/30_threads/this_thread/57060.cc: Require c++11 via
2139         dg-require-effective-target.
2140
2141 2017-06-14  Jonathan Wakely  <jwakely@redhat.com>
2142
2143         * doc/xml/manual/test.xml: Correct instructions on running tests.
2144         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Adjust to
2145         pass when -D_GLIBCXX_USE_CXX11_ABI=0 added to RUNTESTFLAGS.
2146         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2147         Likewise.
2148         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Likewise.
2149         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
2150         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
2151         exceptions_failbit.cc: Likewise.
2152         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
2153         exceptions_failbit.cc: Likewise.
2154         * testsuite/27_io/basic_istream/extractors_other/char/
2155         exceptions_null.cc: Likewise.
2156         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
2157         exceptions_null.cc: Likewise.
2158         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
2159         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
2160         * testsuite/27_io/basic_ostream/inserters_other/char/
2161         exceptions_null.cc: Likewise.
2162         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
2163         exceptions_null.cc: Likewise.
2164         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
2165
2166 2017-06-12  Pedro Alves  <palves@redhat.com>
2167
2168         * doc/xml/manual/status_cxx2017.xml: Update C++17 constexpr
2169         char_traits status.
2170         * doc/html/*: Regenerate.
2171
2172         * include/bits/char_traits.h (_GLIBCXX_ALWAYS_INLINE): Define if
2173         not already defined.
2174         (__cpp_lib_constexpr_char_traits): Uncomment.
2175         (__constant_string_p, __constant_char_array_p): New.
2176         (std::char_traits<char>, std::char_traits<wchar_t>): Add
2177         _GLIBCXX17_CONSTEXPR on compare, length and find and use
2178         __constant_string_p, __constant_char_array_p and
2179         __builtin_constant_p to defer to __gnu_cxx::char_traits at compile
2180         time.
2181
2182         * testsuite/21_strings/char_traits/requirements/
2183         constexpr_functions_c++17.cc: Uncomment
2184         __cpp_lib_constexpr_char_traits tests.  Uncomment
2185         test_compare<char>, test_length<char>, test_find<char>,
2186         test_compare<wchar_t>, test_length<wchar_t> and test_find<wchar_t>
2187         static_assert tests.
2188
2189 2017-06-12  François Dumont  <fdumont@gcc.gnu.org>
2190
2191         * include/bits/stl_tree.h (_Rb_tree_impl()): Restore _Node_allocator
2192         default init.
2193         * testsuite/util/testsuite_allocator.h
2194         (__gnu_test::default_init_allocator<>) New.
2195         * testsuite/23_containers/set/allocator/default_init.cc: New.
2196         * testsuite/23_containers/map/allocator/default_init.cc: New.
2197
2198 2017-06-12  Jonathan Wakely  <jwakely@redhat.com>
2199
2200         PR libstdc++/55917
2201         * src/c++11/thread.cc (execute_native_thread_routine): Remove
2202         try-block so that exceptions propagate out of the thread and terminate
2203         is called by the exception-handling runtime.
2204         (execute_native_thread_routine_compat): Likewise.
2205         * testsuite/30_threads/thread/cons/terminate.cc: New.
2206
2207 2017-06-09  Jonathan Wakely  <jwakely@redhat.com>
2208
2209         * doc/xml/manual/intro.xml: Document LWG 2802, 2873 and 2942 changes.
2210         * include/bits/shared_ptr.h (shared_ptr): Use rvalues for deleters
2211         (LWG 2802).
2212         * include/bits/shared_ptr_base.h (_Sp_ebo_helper, _Sp_counted_deleter
2213         (_Sp_counted_deleter::_Impl, __shared_count, __shared_ptr): Likewise.
2214         * testsuite/20_util/shared_ptr/cons/lwg2802.cc: New.
2215
2216         * include/bits/forward_list.h (forward_list): Add deduction guide.
2217         * include/bits/stl_deque.h (deque): Likewise.
2218         * include/bits/stl_list.h (list): Likewise.
2219         * include/bits/stl_vector.h (vector): Likewise.
2220         * testsuite/23_containers/deque/cons/deduction.cc: New.
2221         * testsuite/23_containers/forward_list/cons/deduction.cc: New.
2222         * testsuite/23_containers/list/cons/deduction.cc: New.
2223         * testsuite/23_containers/vector/cons/deduction.cc: New.
2224
2225 2017-06-08  Jonathan Wakely  <jwakely@redhat.com>
2226
2227         PR libstdc++/81017
2228         * include/bits/std_function.h (function::function(function&&))
2229         (function::operator=(funtion&&)): Add noexcept.
2230         * testsuite/20_util/function/assign/move.cc: Check for noexcept.
2231         * testsuite/20_util/function/cons/move.cc: Likewise.
2232
2233 2017-06-07  Jonathan Wakely  <jwakely@redhat.com>
2234
2235         * include/bits/regex.h (basic_regex): Add deduction guide from P0433.
2236         * testsuite/28_regex/basic_regex/ctors/deduction.cc: New.
2237
2238         PR libstdc++/81002
2239         * include/bits/regex.h (basic_regex): Adjust call to __compile_nfa
2240         so iterator type is deduced.
2241         * include/bits/regex_compiler.h (__compile_nfa): Reorder template
2242         parameters to allow iterator type to be deduced.
2243         * testsuite/28_regex/basic_regex/ctors/basic/iter.cc: New.
2244
2245         * include/bits/alloc_traits.h (__is_allocator, _RequireAllocator):
2246         New trait and alias for detecting Allocator-like types.
2247         * include/bits/basic_string.h (basic_string): Add deduction guide
2248         from P0433.
2249         * include/ext/alloc_traits.h (__gnu_cxx::__alloc_traits): Add template
2250         parameter with default template argument that causes substitution
2251         failures for types that cannot be allocators.
2252         * testsuite/21_strings/basic_string/cons/char/deduction.cc: New.
2253         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc: New.
2254
2255 2017-06-02  Jonathan Wakely  <jwakely@redhat.com>
2256
2257         PR libstdc++/80939
2258         * include/std/variant (__erased_ctor, __erased_assign, __erased_swap)
2259         (__erased_hash): Remove constexpr specifier and qualify calls to
2260         __ref_cast.
2261         (__erased_dtor): Remove constexpr specifier and use _Destroy.
2262
2263 2017-06-05  Jonathan Wakely  <jwakely@redhat.com>
2264
2265         * include/bits/stl_iterator_base_funcs.h
2266         (__advance<_RandomAccessIterator, _Distance>): Optimize for next/prev
2267         cases where incrementing or decrementing a single step.
2268
2269         * include/bits/shared_ptr_base.h (__shared_ptr::owner_before)
2270         (__weak_ptr::owner_before, _Sp_owner_less::operator()): Add noexcept
2271         specifiers as per LWG 2873 and LWG 2942.
2272         * testsuite/20_util/owner_less/noexcept.cc: New.
2273         * testsuite/20_util/shared_ptr/observers/owner_before.cc: Test
2274         noexcept guarantees.
2275         * testsuite/20_util/weak_ptr/observers/owner_before.cc: Likewise.
2276
2277 2017-06-03  Andreas Schwab  <schwab@linux-m68k.org>
2278
2279         * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
2280
2281 2017-06-03  Eric Botcazou  <ebotcazou@adacore.com>
2282
2283         * src/filesystem/dir.cc (fs::_Dir::advance): Use std::exchange.
2284
2285 2017-06-02  Jonathan Wakely  <jwakely@redhat.com>
2286
2287         PR libstdc++/80624
2288         * doc/xml/manual/status_cxx2011.xml: Document to_int_type behaviour.
2289         * include/bits/char_traits.h (char_traits<char16_t>::to_int_type):
2290         Transform eof value to U+FFFD.
2291         * testsuite/21_strings/char_traits/requirements/char16_t/eof.cc: New.
2292         * testsuite/27_io/basic_streambuf/sgetc/char16_t/80624.cc: New.
2293         * testsuite/27_io/basic_streambuf/sputc/char16_t/80624.cc: New.
2294
2295         * libsupc++/Makefile.am: Remove custom targets for files that need to
2296         be compiled as C++11 or C++14.
2297         * libsupc++/Makefile.in: Regenerate.
2298         * libsupc++/del_ops.cc: Use pragma to disable -Wsized-deallocation
2299         warnings.
2300         * libsupc++/del_opvs.cc: Likewise.
2301
2302 2017-06-02  Richard Biener  <rguenther@suse.de>
2303         Markus Eisenmann  <meisenmann.lba@fh-salzburg.ac.at>
2304
2305         PR libstdc++/80721
2306         * libsupc++/eh_alloc.cc (pool::free): Keep list properly
2307         sorted and add missing freelist item merging cases.
2308
2309 2017-06-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2310
2311         (GLIBCXX_CROSSCONFIG): Handle *-solaris* like *-linux* etc.
2312         Remove *-solaris* section.
2313         * configure: Regenerate.
2314
2315 2017-05-31  Jonathan Wakely  <jwakely@redhat.com>
2316
2317         PR libstdc++/80893
2318         * include/bits/stl_bvector.h (vector<bool>::_M_initialize): Avoid
2319         null pointer dereference when size is zero.
2320         * testsuite/23_containers/vector/bool/80893.cc: New.
2321         * testsuite/util/testsuite_allocator.h (PointerBase::PointerBase):
2322         Add non-explicit constructor from nullptr.
2323         (PointerBase::derived() const): Add const-qualified overload.
2324
2325 2017-05-20  Tim Shen  <timshen@google.com>
2326
2327         PR libstdc++/80737
2328         * include/std/variant(variant::variant): SFINAE on is_same first.
2329         * testsuite/20_util/variant/any.cc: test case.
2330
2331 2017-05-24  Jonathan Wakely  <jwakely@redhat.com>
2332
2333         * src/c++11/random.cc (random_device::_M_getentropy): Use __CHAR_BIT__
2334         instead of fixed number of bits.
2335
2336 2017-05-24  Andreas Schwab  <schwab@suse.de>
2337
2338         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
2339         * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Likewise.
2340
2341 2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
2342             Jonathan Wakely  <jwakely@redhat.com>
2343
2344         PR libstdc++/67578
2345         * acinclude.m4: Bump libtool_VERSION.
2346         * config/abi/pre/gnu.ver: Create GLIBCXX_3.4.24 with new symbol.
2347         * config.h.in: Regenerate.
2348         * configure: Regenerate.
2349         * configure.ac: Add test for <linux/random.h>.
2350         * doc/xml/manual/abi.xml: Document new library version.
2351         * include/bits/random.h (random_device::entropy)
2352         [_GLIBCXX_USE_RANDOM_TR1]: Add call to new _M_getentropy member.
2353         (random_device::_M_getentropy): Declare.
2354         * src/c++11/random.cc (random_device::_M_getentropy): Define.
2355         * testsuite/util/testsuite_abi.cc: Add GLIBCXX_3.4.24 to known
2356         versions, and make it the latest version.
2357
2358 2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
2359
2360         PR libstdc++/67214
2361         * include/bits/locale_facets.tcc (num_get::_M_extract_int): Add
2362         explicit conversion to avoid signed overflow.
2363
2364 2017-05-19  Jonathan Wakely  <jwakely@redhat.com>
2365
2366         PR libstdc++/80796
2367         * include/bits/stl_algo.h (search): Add new overload for C++17.
2368         * testsuite/25_algorithms/search/searcher.cc: New.
2369
2370 2017-05-18  Jonathan Wakely  <jwakely@redhat.com>
2371
2372         PR libstdc++/80478
2373         * include/std/functional (_Mem_fn_traits_base): Add specializations
2374         for noexcept member function types.
2375         * testsuite/20_util/function_objects/mem_fn/80478.cc: New test.
2376
2377 2017-05-18  Jonathan Wakely  <jwakely@redhat.com>
2378
2379         * doc/xml/manual/policy_data_structures.xml: Fix typo.
2380         * doc/xml/manual/test_policy_data_structures.xml: Likewise.
2381         * doc/html/*: Regenerate.
2382
2383         * doc/xml/manual/abi.xml: Document latest library versions.
2384         * doc/xml/manual/build_hacking.xml: Document requirement to update
2385         abi.xml when bumping library versions.
2386         * doc/html/*: Regenerate.
2387
2388 2017-05-17  Jonathan Wakely  <jwakely@redhat.com>
2389
2390         * include/bits/refwrap.h: Fix Doxygen warning.
2391         * include/bits/specfun.h: Likewise.
2392         * include/bits/std_function.h: Likewise.
2393         * include/bits/stl_algo.h (set_union, set_intersection)
2394         (set_difference, set_symmetric_difference): Add Doxygen @param tags
2395         for output iterator parameters.
2396         * include/bits/stl_iterator.h (inserter): Add Doxygen @param tag for
2397         iterator parameter.
2398         * include/std/mutex (try_lock, lock): Change Mutex to Lockable in
2399         Doxygen comments.
2400
2401 2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
2402
2403         Implement new C++ intrinsics __is_assignable and __is_constructible.
2404         * include/std/type_traits (__do_is_static_castable_impl): Remove.
2405         (__is_static_castable_impl, __is_static_castable_safe): Likewise.
2406         (__is_static_castable, __do_is_direct_constructible_impl): Likewise.
2407         (__is_direct_constructible_impl): Likewise.
2408         (__is_direct_constructible_new_safe): Likewise.
2409         (__is_base_to_derived_ref, __is_lvalue_to_rvalue_ref): Likewise.
2410         (__is_direct_constructible_ref_cast): Likewise.
2411         (__is_direct_constructible_new, __is_direct_constructible): Likewise.
2412         (__do_is_nary_constructible_impl): Likewise.
2413         (__is_nary_constructible_impl, __is_nary_constructible): Likewise.
2414         (__is_constructible_impl): Likewise.
2415         (is_constructible): Call the intrinsic.
2416         (__is_assignable_helper): Remove.
2417         (is_assignable): Call the intrinsic.
2418         (is_trivially_constructible): Likewise.
2419         (__is_trivially_copy_constructible_impl): New.
2420         (is_trivially_copy_constructible): Use it.
2421         (__is_trivially_move_constructible_impl): New.
2422         (is_trivially_move_constructible): Use it.
2423         (is_trivially_assignable): Call the intrinsic.
2424         (__is_trivially_copy_assignable_impl): New.
2425         (is_trivially_copy_assignable): Use it.
2426         (__is_trivially_move_assignable_impl): New.
2427         (is_trivially_move_assignable): Use it.
2428         (testsuite/20_util/declval/requirements/1_neg.cc): Adjust.
2429         (testsuite/20_util/is_trivially_copy_assignable/value.cc):
2430         Add test for void.
2431         (testsuite/20_util/is_trivially_copy_constructible/value.cc): Likewise.
2432         (testsuite/20_util/is_trivially_move_assignable/value.cc): Likewise.
2433         (testsuite/20_util/is_trivially_move_constructible/value.cc): Likewise.
2434         (testsuite/20_util/make_signed/requirements/typedefs_neg.cc): Adjust.
2435         (testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc):
2436         Likewise.
2437
2438 2017-05-16  Jonathan Wakely  <jwakely@redhat.com>
2439
2440         * testsuite/experimental/source_location/1.cc: Change expected result
2441         for source_location::current() used in default member initializer.
2442
2443         * doc/xml/manual/status_cxx2017.xml: Update status table.
2444         * doc/html/*: Regenerate.
2445         * include/Makefile.am: Add new header.
2446         * include/Makefile.in: Regenerate.
2447         * include/experimental/source_location: New header implementing N4519.
2448         * testsuite/experimental/source_location/1.cc: New test.
2449
2450         PR libstdc++/80285
2451         * include/bits/shared_ptr_base.h [!__cpp_rtti] (type_info): Declare
2452         outside versioned namespace.
2453
2454         * configure: Regenerate.
2455
2456 2017-05-16  Marc Glisse  <marc.glisse@inria.fr>
2457
2458         * include/std/optional (_Optional_base::_M_get): Check precondition.
2459         * testsuite/20_util/optional/cons/value_neg.cc: Update line numbers.
2460
2461 2017-05-16  Jonathan Wakely  <jwakely@redhat.com>
2462
2463         * doc/xml/manual/appendix_contributing.xml: Link to test docs and
2464         note higher DejaGnu version requirement.
2465         * doc/html/*: Regenerate.
2466
2467         * doc/xml/manual/appendix_contributing.xml: Link to the list of bad
2468         identifiers.
2469         * doc/html/*: Regenerate.
2470
2471 2017-05-15  Jonathan Wakely  <jwakely@redhat.com>
2472
2473         PR libstdc++/80761
2474         * include/bits/node_handle.h (_Node_insert_return): Reorder members.
2475         (tuple_size, tuple_element): Remove partial specializations.
2476         * include/bits/stl_tree.h (_Rb_tree::insert_return_type): Use
2477         const_iterator for std::set.
2478         * testsuite/23_containers/map/modifiers/extract.cc: New.
2479         * testsuite/23_containers/set/modifiers/extract.cc: New.
2480         * testsuite/23_containers/unordered_map/modifiers/extract.cc: New.
2481         * testsuite/23_containers/unordered_set/modifiers/extract.cc: New.
2482
2483 2017-05-12  Jonathan Wakely  <jwakely@redhat.com>
2484
2485         PR libstdc++/78939
2486         * include/std/utility (tuple_size<cv T>): Only define partial
2487         specializations when tuple_size<T>::value is valid.
2488         * testsuite/20_util/tuple/78939.cc: New.
2489         * testsuite/20_util/tuple/cv_tuple_size_neg.cc: New.
2490
2491 2017-05-11  François Dumont  <fdumont@gcc.gnu.org>
2492
2493         * include/bits/stl_tree.h [_GLIBCXX_INLINE_VERSION]
2494         (_Rb_tree_impl<>): Remove _Is_pod_comparator
2495         template parameter.
2496
2497         * include/debug/formatter.h [_GLIBCXX_INLINE_VERSION]
2498         (__gnu_debug::_Error_formatter::_Parameter::_M_print_field): Remove.
2499         (__gnu_debug::_Error_formatter::_Parameter::_M_print_description):
2500         Remove.
2501         (__gnu_debug::_Error_formatter::_M_format_word): Remove.
2502         (__gnu_debug::_Error_formatter::_M_print_word): Remove.
2503         (__gnu_debug::_Error_formatter::_M_print_string): Remove.
2504         (__gnu_debug::_Error_formatter::_M_get_max_length): Remove.
2505         * src/c++11/debug.cc: Adapt.
2506         * config/abi/pre/gnu-versioned-namespace.ver: Adapt.
2507
2508 2017-05-11  Jonathan Wakely  <jwakely@redhat.com>
2509
2510         * doc/xml/manual/allocator.xml: Fix ViewCVS URLs.
2511         * doc/xml/manual/mt_allocator.xml: Likewise.
2512         * doc/html/*: Regenerate.
2513
2514         PR libstdc++/80285
2515         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Define
2516         function to get unique fake std::type_info reference.
2517         (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Compare to
2518         _S_ti() fake reference.
2519         (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Share
2520         single implementation with or without RTTI enable.
2521         [!__cpp_rtti]: Pass fake reference to _M_get_deleter.
2522         * testsuite/20_util/shared_ptr/creation/alloc.cc: Change expected
2523         allocation and deallocation counts.
2524         * testsuite/20_util/shared_ptr/creation/single_allocation.cc: New.
2525         * testsuite/20_util/shared_ptr/creation/single_allocation_no_rtti.cc:
2526         New.
2527
2528 2017-05-10  François Dumont  <fdumont@gcc.gnu.org>
2529
2530         Bump version namespace.
2531         * config/abi/pre/gnu-versioned-namespace.ver: Bump version namespace
2532         from __7 to __8. Bump GLIBCXX_7.0 to GLIBCXX_8.0.
2533         * acinclude.m4 (libtool_VERSION): Bump to 8:0:0.
2534         * include/bits/c++config: Adapt.
2535         * include/bits/regex.h: Adapt.
2536         * include/experimental/bits/fs_fwd.h: Adapt.
2537         * include/experimental/bits/lfts_config.h: Adapt.
2538         * include/std/variant: Adapt.
2539         * python/libstdcxx/v6/printers.py: Adapt.
2540         * testsuite/libstdc++-prettyprinters/48362.cc: Adapt.
2541
2542         * include/bits/stl_algobase.h (std::__iter_swap<false>): Remove
2543         _GLIBCXX_MOVE usage.
2544
2545 2017-05-09  Jason Merrill  <jason@redhat.com>
2546
2547         * testsuite/24_iterators/container_access.cc (test03): Make il3 static.
2548
2549 2017-05-08  Jonathan Wakely  <jwakely@redhat.com>
2550
2551         * include/std/optional: Use a separate static_assert per condition.
2552         * testsuite/20_util/optional/cons/value_neg.cc: Update dg-error line
2553         numbers.
2554
2555         * doc/xml/manual/mt_allocator.xml: Clarify deallocation behaviour.
2556         * doc/html/*: Regenerate.
2557
2558 2017-05-02  Hugo Beauzée-Luyssen <hugo@beauzee.fr>
2559
2560         PR libstdc++/69506
2561         * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_WEAK_REF): Define.
2562
2563 2017-04-29  François Dumont  <fdumont@gcc.gnu.org>
2564
2565         * testsuite/libstdc++-prettyprinters/48362.cc: Replace a regexp-test
2566         by a note-test.
2567
2568 2017-04-28  Jonathan Wakely  <jwakely@redhat.com>
2569
2570         PR libstdc++/80553
2571         * include/bits/stl_construct.h (_Destroy, _Destroy_n): Add static
2572         assertions to ensure type is destructible.
2573         (destroy_at, destroy, destroy_n): Move from stl_uninitialized.h.
2574         * include/bits/stl_uninitialized.h (destroy_at, destroy, destroy_n):
2575         Move to stl_construct.h.
2576         * testsuite/20_util/specialized_algorithms/memory_management_tools/
2577         destroy_neg.cc: New test.
2578         * testsuite/23_containers/vector/cons/destructible_neg.cc: New test.
2579
2580         * testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
2581         superfluous "" in dg-error.
2582
2583 2017-04-28  Tom de Vries  <tom@codesourcery.com>
2584
2585         * testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
2586         superfluous '{ target *-*-* }' in dg-(error|warning|message|bogus).
2587
2588 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
2589
2590         * include/ext/pb_ds/detail/list_update_map_/iterators_fn_imps.hpp
2591         (PB_DS_CLASS_C_DEC::end()): Remove redundant const in cast type.
2592         * testsuite/util/testsuite_rng.h (twister_rand_gen::get_prob()):
2593         Likewise.
2594
2595 2017-04-26  Jonathan Wakely  <jwakely@redhat.com>
2596
2597         * testsuite/23_containers/deque/allocator/move_assign-2.cc: Improve
2598         comment. Ensure first test works because allocator type propagates and
2599         not because is_always_equal is true.
2600         * testsuite/23_containers/vector/52591.cc: Likewise. Restore original
2601         testcase that instantiates the move-assignment operator.
2602
2603 2017-04-24  Jonathan Wakely  <jwakely@redhat.com>
2604
2605         PR libstdc++/80506
2606         * include/bits/random.tcc (gamma_distribution::operator()): Fix magic
2607         number used in loop condition.
2608
2609         PR libstdc++/80504
2610         * include/bits/refwrap.h (ref, cref): Qualify calls.
2611         * testsuite/20_util/reference_wrapper/80504.cc: New test.
2612
2613         PR libstdc++/80493
2614         * include/experimental/optional (optional::swap): Fix exception
2615         specification.
2616
2617 2017-04-21  Jonathan Wakely  <jwakely@redhat.com>
2618
2619         PR libstdc++/80316
2620         * include/std/future (_State_baseV2::_Setter::operator()): Remove
2621         _S_check calls that are done after the pointer to the shared state is
2622         already dereferenced.
2623         (_State_baseV2::_Setter<_Res, void>): Define specialization for void
2624         as partial specialization so it can be defined within the definition
2625         of _State_baseV2.
2626         (_State_baseV2::__setter): Call _S_check.
2627         (_State_baseV2::__setter(promise<void>*)): Add overload for use by
2628         promise<void>::set_value and promise<void>::set_value_at_thread_exit.
2629         (promise<T>, promise<T&>, promise<void>): Make _State a friend.
2630         (_State_baseV2::_Setter<void, void>): Remove explicit specialization.
2631         (promise<void>::set_value, promise<void>::set_value_at_thread_exit):
2632         Use new __setter overload.
2633         * testsuite/30_threads/promise/members/at_thread_exit2.cc: New test.
2634         * testsuite/30_threads/promise/members/set_exception.cc: Test
2635         promise<T&> and promise<void> specializations.
2636         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
2637         Test for no_state error condition.
2638         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
2639
2640         * include/backward/auto_ptr.h: Ignore deprecated warnings from use
2641         of auto_ptr.
2642         * include/bits/shared_ptr.h: Likewise.
2643         * include/bits/shared_ptr_base.h: Likewise.
2644         * include/bits/unique_ptr.h: Likewise.
2645         * libstdc++-v3/testsuite/20_util/default_delete/48631_neg.cc: Adjust
2646         dg-error lineno.
2647         * libstdc++-v3/testsuite/20_util/default_delete/void_neg.cc: Likewise.
2648         * libstdc++-v3/testsuite/20_util/unique_ptr/assign/48635_neg.cc:
2649         Likewise.
2650         * libstdc++-v3/testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc:
2651         Likewise.
2652
2653 2017-04-20  Edward Smith-Rowland  <3dw4rd@verizon.net>
2654
2655         PR libstdc++/68397 std::tr1::expint fails ... long double arguments.
2656         * include/tr1/exp_integral.tcc: Increase iteration limits.
2657         * testsuite/tr1/5_numerical_facilities/special_functions/15_expint/
2658         pr68397.cc: New test.
2659         * testsuite/special_functions/14_expint/pr68397.cc: New test.
2660
2661 2017-04-20  Jonathan Wakely  <jwakely@redhat.com>
2662
2663         PR libstdc++/79862
2664         * include/std/atomic [!_GLIBCXX_USE_C99_STDINT_TR1] (atomic_int8_t)
2665         (atomic_uint8_t, atomic_int16_t, atomic_uint16_t, atomic_int32_t,
2666         (atomic_uint32_t, atomic_int64_t, atomic_uint64_t)
2667         (atomic_int_least8_t, atomic_uint_least8_t, atomic_int_least16_t)
2668         (atomic_uint_least16_t, atomic_int_least32_t, atomic_uint_least32_t)
2669         (atomic_int_least64_t, atomic_uint_least64_t, atomic_int_fast8_t)
2670         (atomic_uint_fast8_t, atomic_int_fast16_t, atomic_uint_fast16_t)
2671         (atomic_int_fast32_t, atomic_uint_fast32_t, atomic_int_fast64_t)
2672         (atomic_uint_fast64_t, atomic_intmax_t, atomic_uintmax_t): Don't
2673         define.
2674
2675 2017-04-19  Jonathan Wakely  <jwakely@redhat.com>
2676
2677         * doc/xml/manual/abi.xml: Rephrase one of the references to the
2678         Itanium C++ ABI.
2679         * doc/xml/manual/test.xml: Document DejaGnu 1.5.3 requirement.
2680         * doc/html/*: Regenerate.
2681
2682         * libsupc++/new: Update comment on #endif directive.
2683
2684         PR libstdc++/80448
2685         * include/experimental/bits/fs_dir.h (directory_iterator)
2686         (recursive_directory_iterator): Remove noexcept from defaulted
2687         constructors.
2688
2689         PR libstdc++/80446
2690         * include/std/type_traits (is_aggregate): Change __has_builtin checks.
2691         * libsupc++/new (launder): Likewise.
2692
2693 2017-04-18  Jonathan Wakely  <jwakely@redhat.com>
2694
2695         * include/std/functional (default_searcher, __boyer_moore_array_base)
2696         (__is_std_equal_to, __boyer_moore_base_t, boyer_moore_searcher)
2697         (boyer_moore_horspool_searcher): Remove redundant namespace
2698         qualification.
2699         (default_searcher::operator()): Construct return value early and
2700         advance second member in-place.
2701         (boyer_moore_horspool_searcher::operator()): Increment random access
2702         iterator directly instead of using std::next.
2703         (boyer_moore_searcher::operator()): Fix return value.
2704         * testsuite/20_util/function_objects/searchers.cc: Check both parts
2705         of return values.
2706
2707 2017-04-12  Gerald Pfeifer  <gerald@pfeifer.com>
2708
2709         * doc/xml/faq.xml: Update reference link to C++ ABI for Itanium.
2710         * doc/xml/manual/abi.xml. Ditto (thrice).
2711
2712 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
2713
2714         * doc/xml/manual/status_cxx2017.xml: Remove duplicate table entry.
2715         * doc/html/*: Regenerate.
2716
2717         * testsuite/20_util/reference_wrapper/invoke.cc: Uncomment tests
2718         that no longer fail.
2719
2720         * include/bits/ios_base.h: Correct comment.
2721         * testsuite/util/testsuite_hooks.h: Likewise.
2722
2723         * doc/xml/manual/status_cxx2017.xml: Update C++17 status table.
2724         * doc/xml/manual/appendix_contributing.xml (contrib.organization): Add
2725         directories for debug, parallel and profile headers.
2726         * doc/html/*: Regenerate.
2727
2728         * include/bits/char_traits.h (__gnu_cxx::char_traits): Add
2729         _GLIBCXX14_CONSTEXPR on assign, compare, find, and length.
2730         (std::char_traits<char>, std::char_traits<wchar_t>): Add
2731         _GLIBCXX17_CONSTEXPR on assign.
2732         (std::char_traits<char16_t>, std::char_traits<char32_t>): Add
2733         _GLIBCXX17_CONSTEXPR on assign, compare, find, and length.
2734         * testsuite/21_strings/char_traits/requirements/
2735         constexpr_functions_c++17.cc: New test.
2736
2737 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
2738
2739         PR libstdc++/79141
2740         * include/bits/stl_pair.h (__nonesuch_no_braces): New.
2741         (operator=(typename conditional<
2742         __and_<is_copy_assignable<_T1>,
2743         is_copy_assignable<_T2>>::value,
2744         const pair&, const __nonesuch&>::type)): Change __nonesuch
2745         to __nonesuch_no_braces.
2746         (operator=(typename conditional<
2747         __not_<__and_<is_copy_assignable<_T1>,
2748         is_copy_assignable<_T2>>>::value,
2749         const pair&, const __nonesuch&>::type)): Likewise.
2750         (operator=(typename conditional<
2751         __and_<is_move_assignable<_T1>,
2752         is_move_assignable<_T2>>::value,
2753         pair&&, __nonesuch&&>::type)): Likewise.
2754         * testsuite/20_util/pair/79141.cc: New.
2755
2756 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
2757
2758         Implement std::is_aggregate.
2759         * include/std/type_traits (is_aggregate, is_aggregate_v): New.
2760         * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
2761         New.
2762         * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
2763         * testsuite/20_util/is_aggregate/value.cc: Likewise.
2764
2765 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
2766
2767         Adjust optional's pretty printer for LWG 2900.
2768         * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter.__init__):
2769         Look at the nested payload in case of non-experimental optional.
2770
2771 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
2772
2773         Implement LWG 2900, The copy and move constructors
2774         of optional are not constexpr.
2775         * include/std/optional (_Optional_payload): New.
2776         (_Optional_base): Remove the bool parameter.
2777         (_Optional_base<_Tp, false>): Remove.
2778         (_Optional_base()): Adjust.
2779         (_Optional_base(nullopt_t)): Likewise.
2780         (_Optional_base(in_place_t, _Args&&...)): Likewise.
2781         (_Optional_base(in_place_t, initializer_list<_Up>, _Args&&...)):
2782         Likewise.
2783         (_Optional_base(const _Optional_base&)): Likewise.
2784         (_Optional_base(_Optional_base&&)): Likewise.
2785         (operator=(const _Optional_base&)): Likewise.
2786         (operator=(_Optional_base&&)): Likewise.
2787         (~_Optional_base()): Remove.
2788         (_M_is_engaged()): Adjust.
2789         (_M_get()): Likewise.
2790         (_M_construct(_Args&&...)): Likewise.
2791         (_M_destruct()): Likewise.
2792         (_M_reset()): Likewise.
2793         (_Optional_base::_Empty_byte): Remove.
2794         (_Optional_base::_M_empty): Remove.
2795         (_Optional_base::_M_payload): Adjust.
2796         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
2797         * testsuite/20_util/optional/constexpr/cons/value.cc: Add tests.
2798
2799 2017-03-28  Jonathan Wakely  <jwakely@redhat.com>
2800
2801         PR libstdc++/80137
2802         * include/bits/random.tcc (generate_canonical): Use std::nextafter
2803         or numeric_limits::epsilon() to reduce out-of-range values.
2804         * testsuite/26_numerics/random/uniform_real_distribution/operators/
2805         64351.cc: Verify complexity requirement is met.
2806
2807         * doc/xml/manual/abi.xml: Add xml:id anchor.
2808         * doc/xml/manual/using.xml (manual.intro.using.macros): Document
2809         _GLIBCXX_RELEASE. Link to new anchor for __GLIBCXX__ notes.
2810         (concurrency.io.structure): Add markup.
2811         * doc/html/*: Regenerate.
2812
2813         PR libstdc++/80229
2814         * include/bits/shared_ptr_base.h
2815         (__shared_ptr::_M_enable_shared_from_this_with): Change parameters to
2816         non-const and then use remove_cv to get unqualified type.
2817         * testsuite/20_util/enable_shared_from_this/members/const.cc: Don't
2818         cast away constness on object created const.
2819         * testsuite/20_util/shared_ptr/cons/80229.cc: New test.
2820
2821 2017-03-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
2822
2823         PR libstdc++/80183
2824         * include/bits/stl_tree.h:
2825         (_Rb_tree_header::_M_move_data(_Rb_tree_header&)): Also save _M_color.
2826
2827 2017-03-23  Jonathan Wakely  <jwakely@redhat.com>
2828
2829         * testsuite/23_containers/array/tuple_interface/
2830         tuple_element_debug_neg.cc: Adjust dg-error.
2831         * testsuite/23_containers/list/operations/78389.cc: Fix less-than to
2832         define a valid strict weak ordering.
2833         * testsuite/23_containers/priority_queue/67085.cc: Disable test for
2834         Debug Mode, due to debug checks making extra copies of predicate.
2835         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
2836         Likewise.
2837
2838         * doc/xml/faq.xml: Add link.
2839         * doc/xml/manual/backwards_compatibility.xml: Remove outdated
2840         information on pre-ISO headers. Replace broken link to C++ FAQ Lite.
2841         * doc/xml/manual/io.xml: Update broken link.
2842         * doc/html/*: Regenerate.
2843
2844 2017-03-23  Daniel Kruegler  <daniel.kruegler@gmail.com>
2845
2846         Implement LWG 2686, Why is std::hash specialized for error_code,
2847         but not error_condition?
2848         * include/std/system_error (hash<error_condition>): Define for C++17.
2849         * testsuite/20_util/hash/operators/size_t.cc (hash<error_condition>):
2850         Instantiate test for error_condition.
2851         * testsuite/20_util/hash/requirements/explicit_instantiation.cc
2852         (hash<error_condition>): Instantiate hash<error_condition>.
2853
2854         * include/bits/c++config (_GLIBCXX17_INLINE): Define.
2855         * include/bits/regex_constants.h (All std::regex_constants constants):
2856         Add _GLIBCXX17_INLINE as per P0607R0.
2857         * include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock):
2858         Likewise.
2859         * include/bits/stl_pair.h (piecewise_construct): Likewise.
2860         * include/bits/uses_allocator.h (allocator_arg, uses_allocator_v)
2861         (__is_uses_allocator_constructible_v)
2862         (__is_nothrow_uses_allocator_constructible_v): Likewise.
2863         * include/std/chrono (treat_as_floating_point_v): Likewise.
2864         * include/std/functional (is_bind_expression_v, is_placeholder_v):
2865         Likewise.
2866         * include/std/optional (nullopt): Likewise.
2867         * include/std/ratio (ratio_equal_v, ratio_not_equal_v, ratio_less_v)
2868         ratio_less_equal_v, ratio_greater_v, ratio_greater_equal_v): Likewise.
2869         * include/std/system_error (is_error_code_enum_v)
2870         (is_error_condition_enum_v): Likewise.
2871         * include/std/tuple (tuple_size_v, ignore): Likewise.
2872         (ignore): Declare ignore constexpr as per LWG 2773, declare assignment
2873         constexpr as per LWG 2933.
2874         * include/std/type_traits (All variable templates): Add
2875         _GLIBCXX17_INLINE as per P0607R0.
2876         * include/std/variant (variant_size_v, variant_npos, __index_of_v)
2877         (__tuple_count_v, __exactly_once): Likewise.
2878         * testsuite/18_support/headers/new/synopsis.cc
2879         (hardware_destructive_interference_size)
2880         (hardware_constructive_interference_size): Likewise for commented-out
2881         variables.
2882         * testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new
2883         test function for constexpr std::ignore (LWG 2773).
2884         * testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New
2885         test for LWG 2933.
2886
2887 2017-03-22  Jonathan Wakely  <jwakely@redhat.com>
2888
2889         * include/bits/shared_ptr.h (shared_ptr, weak_ptr): Add deduction
2890         guides for C++17.
2891         * include/bits/std_function.h (function): Likewise.
2892         * include/bits/stl_pair.h (pair): Likewise.
2893         * include/debug/array (__gnu_debug::array): Likewise.
2894         * include/std/array (array): Likewise.
2895         * include/std/functional (make_default_searcher)
2896         (make_boyer_moore_searcher, make_boyer_moore_horspool_searcher):
2897         Remove generator functions.
2898         * include/std/tuple (tuple): Add deduction guides.
2899         * include/std/valarray (valarray): Likewise.
2900         * testsuite/20_util/function_objects/searchers.cc: Adjust to use
2901         class template argument deduction instead of generator functions.
2902         * testsuite/20_util/function/cons/deduction.cc: New test.
2903         * testsuite/20_util/optional/cons/deduction_guide.cc: Rename to ...
2904         * testsuite/20_util/optional/cons/deduction.cc: ... here.
2905         * testsuite/20_util/pair/cons/deduction.cc: New test.
2906         * testsuite/20_util/shared_ptr/cons/deduction.cc: New test.
2907         * testsuite/20_util/tuple/cons/deduction.cc: New test.
2908         * testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error.
2909         * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: New test.
2910         * testsuite/20_util/weak_ptr/cons/deduction.cc: New test.
2911         * testsuite/23_containers/array/cons/deduction.cc: New test.
2912         * testsuite/23_containers/array/cons/deduction_neg.cc: New test.
2913         * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
2914         Adjust dg-error.
2915         * testsuite/23_containers/array/tuple_interface/get_neg.cc: Likewise.
2916         * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
2917         Likewise.
2918         * testsuite/26_numerics/valarray/deduction.cc: New test.
2919         * testsuite/30_threads/lock_guard/cons/deduction.cc: New test.
2920         * testsuite/30_threads/scoped_lock/cons/deduction.cc: New test.
2921         * testsuite/30_threads/unique_lock/cons/deduction.cc: New test.
2922
2923 2017-03-20  François Dumont  <fdumont@gcc.gnu.org>
2924
2925         * include/bits/stl_deque.h (deque): Access allocator value_type only if
2926         concept checks are enabled.
2927         * include/bits/stl_stack.h (stack): Likewise.
2928         * include/bits/stl_vector.h (vector): Likewise.
2929         * include/bits/stl_list.h (list): Likewise and check
2930         _SGIAssignableConcept only in C++03.
2931         * include/bits/stl_map.h (map): Likewise.
2932         * include/bits/stl_set.h (set): Likewise.
2933         * include/bits/stl_multimap.h (multimap): Likewise.
2934         * include/bits/stl_multiset.h (multiset): Likewise.
2935         * include/bits/stl_queue.h (queue, priority_queue): Likewise.
2936
2937 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
2938
2939         * doc/xml/manual/appendix_contributing.xml: Convert link to
2940         ansi.org to https.
2941         Update link to the C++ standard at ansi.org.
2942
2943         * doc/xml/faq.xml: Remove information redundant with the above;
2944         instead add a reference.
2945
2946 2017-03-17  Jonathan Wakely  <jwakely@redhat.com>
2947
2948         * src/c++11/codecvt.cc (range): Add non-type template parameter and
2949         define oerloaded operators for reading and writing code units.
2950         (range<Elem, false>): Define partial specialization for accessing
2951         wide characters in potentially unaligned byte ranges.
2952         (ucs2_span(const char16_t*, const char16_t*, ...))
2953         (ucs4_span(const char16_t*, const char16_t*, ...)): Change parameters
2954         to range<const char16_t, false> in order to avoid unaligned reads.
2955         (__codecvt_utf16_base<char16_t>::do_out)
2956         (__codecvt_utf16_base<char32_t>::do_out)
2957         (__codecvt_utf16_base<wchar_t>::do_out): Use range specialization for
2958         unaligned data to avoid unaligned writes.
2959         (__codecvt_utf16_base<char16_t>::do_in)
2960         (__codecvt_utf16_base<char32_t>::do_in)
2961         (__codecvt_utf16_base<wchar_t>::do_in): Likewise for writes. Return
2962         error if there are unprocessable trailing bytes.
2963         (__codecvt_utf16_base<char16_t>::do_length)
2964         (__codecvt_utf16_base<char32_t>::do_length)
2965         (__codecvt_utf16_base<wchar_t>::do_length): Pass arguments of type
2966         range<const char16_t, false> to span functions.
2967         * testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test.
2968
2969 2017-03-16  Jonathan Wakely  <jwakely@redhat.com>
2970
2971         PR libstdc++/79980
2972         * src/c++11/codecvt.cc (to_integer(codecvt_mode)): Fix target type.
2973
2974         PR libstdc++/80041
2975         * src/c++11/codecvt.cc (__codecvt_utf16_base<wchar_t>::do_out)
2976         (__codecvt_utf16_base<wchar_t>::do_in): Convert char arguments to
2977         char16_t to work with UTF-16 instead of UTF-8.
2978         * testsuite/22_locale/codecvt/codecvt_utf16/80041.cc: New test.
2979
2980         * src/c++11/codecvt.cc (codecvt<char16_t, char, mbstate_t>)
2981         (codecvt<char32_t, char, mbstate_t>, __codecvt_utf8_base<char16_t>)
2982         (__codecvt_utf8_base<char32_t>, __codecvt_utf8_base<wchar_t>)
2983         (__codecvt_utf16_base<char16_t>, __codecvt_utf16_base<char32_t>)
2984         (__codecvt_utf16_base<wchar_t>, __codecvt_utf8_utf16_base<char16_t>)
2985         (__codecvt_utf8_utf16_base<char32_t>)
2986         (__codecvt_utf8_utf16_base<wchar_t>): Fix do_encoding() and
2987         do_max_length() return values.
2988         * testsuite/22_locale/codecvt/codecvt_utf16/members.cc: New test.
2989         * testsuite/22_locale/codecvt/codecvt_utf8/members.cc: New test.
2990         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/members.cc: New test.
2991
2992         PR libstdc++/79980
2993         * include/bits/locale_conv.h (__do_str_codecvt): Set __count on
2994         error path.
2995         * src/c++11/codecvt.cc (operator&=, operator|=, operator~): Overloads
2996         for manipulating codecvt_mode values.
2997         (read_utf16_bom): Compare input to BOM constants instead of integral
2998         constants that depend on endianness.  Take mode parameter by
2999         reference and adjust it, to distinguish between no BOM present and
3000         UTF-16BE BOM present.
3001         (ucs4_in, ucs2_span, ucs4_span): Adjust calls to read_utf16_bom.
3002         (surrogates): New enumeration type.
3003         (utf16_in, utf16_out): Add surrogates parameter to choose between
3004         UTF-16 and UCS2 behaviour.
3005         (utf16_span, ucs2_span): Use std::min not std::max.
3006         (ucs2_out): Use std::min not std::max.  Disallow surrogate pairs.
3007         (ucs2_in): Likewise. Adjust calls to read_utf16_bom.
3008         * testsuite/22_locale/codecvt/codecvt_utf16/79980.cc: New test.
3009         * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: New test.
3010
3011         PR libstdc++/79511
3012         * src/c++11/codecvt.cc (write_utf16_code_point): Don't write 0xffff
3013         as a surrogate pair.
3014         (__codecvt_utf8_utf16_base<char32_t>::do_in): Use native endianness
3015         for internal representation.
3016         (__codecvt_utf8_utf16_base<wchar_t>::do_in): Likewise.
3017         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc: New test.
3018
3019         PR libstdc++/80064
3020         * include/bits/stl_heap.h (__is_heap, push_heap, __adjust_heap)
3021         (pop_heap, make_heap, sort_heap, is_heap_until, is_heap): Cope with
3022         invalid instantiations using function types for _Compare argument.
3023         * testsuite/25_algorithms/make_heap/80064.cc: New test.
3024
3025         PR libstdc++/67440
3026         * python/libstdcxx/v6/printers.py (find_type): Avoid gdb.Type.name
3027         for GDB 7.6 compatibility, use gdb.Type.unqualified instead.
3028
3029 2017-03-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
3030
3031         Implement LWG 2857, {variant,optional,any}::emplace should
3032         return the constructed value.
3033         * include/std/any (emplace(_Args&&...)): Change the return type and
3034         return a reference to the constructed value.
3035         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
3036         * include/std/optional (emplace(_Args&&...)): Likewise.
3037         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
3038         * include/std/variant (emplace<_Tp>(_Args&&...)): Likewise.
3039         (emplace<_Tp>(initializer_list<_Up>, _Args&&...)): Likewise.
3040         (emplace<_Np>(_Args&&...)): Likewise.
3041         (emplace<_Np>(initializer_list<_Up>, _Args&&...)): Likewise.
3042         * testsuite/20_util/any/assign/emplace.cc: Add tests for
3043         checking the return value of emplace.
3044         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
3045         * testsuite/20_util/optional/assignment/6.cc: Add tests for
3046         checking the return value of emplace.
3047         * testsuite/20_util/variant/run.cc: Likewise.
3048
3049 2017-03-15  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
3050
3051         PR libstdc++/62045
3052         * include/ext/pb_ds/qdetail/binary_heap_/binary_heap_.hpp
3053         (is_heap): Remove.
3054         (push_heap): Remove the wrong checking using is_heap.
3055         (make_heap): Remove the assertion using is_heap.
3056         * include/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp
3057         (modify): Ditto.
3058         (resize_for_insert_if_needed): Add PB_DS_ASSERT_VALID after
3059         calling make_heap.
3060
3061 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
3062
3063         PR libstdc++/62045
3064         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
3065         New test.
3066         * testsuite/ext/pb_ds/regression/priority_queues.cc: Fix copy&paste
3067         error in comment.
3068
3069 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
3070
3071         * acinclude.m4 (GLIBCXX_CHECK_S_ISREG_OR_S_IFREG): Fix typo in
3072         comment.
3073         * config.h.in: Regenerate.
3074         * configure: Regenerate.
3075         * doc/Makefile.in: Regenerate.
3076
3077 2017-03-14  Jonathan Wakely  <jwakely@redhat.com>
3078
3079         PR libstdc++/79162
3080         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3081         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Replace
3082         with a constrained template.
3083         [!_GLIBCXX_USE_CXX11_ABI]
3084         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Likewise.
3085         * testsuite/21_strings/basic_string/cons/char/79162.cc: New test.
3086         * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: New test.
3087
3088 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3089
3090         PR libstdc++/80034
3091         * include/bits/list.tcc (merge(list&&)): Use const for the size_t
3092         in the catch-block.
3093         (merge(list&&, _StrictWeakOrdering)): Likewise.
3094         * testsuite/23_containers/list/operations/80034.cc: New.
3095
3096 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3097
3098         Implement LWG 2806, Base class of bad_optional_access.
3099         * include/std/optional (bad_optional_access):
3100         Derive from std::exception.
3101         (bad_optional_access::bad_optional_access): Adjust.
3102         (bad_optional_access::what): New.
3103         (__throw_bad_optional_access(const char*)):
3104         Remove the parameter and adjust calls.
3105         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
3106         * testsuite/20_util/optional/typedefs.cc: Likewise.
3107
3108 2017-03-12  Ville Voutilainen  <ville.voutilainen@gmail.com>
3109
3110         Implement LWG 2934, optional<const T> doesn't compare with T.
3111         * include/std/optional
3112         (operator==(const optional<_Tp>&, const optional<_Tp>&)):
3113         Turn into operator==(const optional<_Tp>&, const optional<_Up>&).
3114         (operator!=(const optional<_Tp>&, const optional<_Tp>&)):
3115         Turn into operator!=(const optional<_Tp>&, const optional<_Up>&).
3116         (operator<(const optional<_Tp>&, const optional<_Tp>&)):
3117         Turn into operator<(const optional<_Tp>&, const optional<_Up>&.
3118         (operator>(const optional<_Tp>&, const optional<_Tp>&)):
3119         Turn into operator>(const optional<_Tp>&, const optional<_Up>&.
3120         (operator<=(const optional<_Tp>&, const optional<_Tp>&)):
3121         Turn into operator<=(const optional<_Tp>&, const optional<_Up>&).
3122         (operator>=(const optional<_Tp>&, const optional<_Tp>&)):
3123         Turn into operator>=(const optional<_Tp>&, const optional<_Up>&).
3124         (operator==(const optional<_Tp>&, const _Tp&)):
3125         Turn into operator==(const optional<_Tp>&, const _Up&).
3126         (operator==(const _Tp&, const optional<_Tp>&)):
3127         Turn into operator==(const _Up&, const optional<_Tp>&).
3128         (operator!=(const optional<_Tp>&, const _Tp&)):
3129         Turn into operator!=(const optional<_Tp>&, const _Up&).
3130         (operator!=(const _Tp&, const optional<_Tp>&)):
3131         Turn into operator!=(const _Up&, const optional<_Tp>&).
3132         (operator<(const optional<_Tp>&, const _Tp&)):
3133         Turn into operator<(const optional<_Tp>&, const _Up&).
3134         (operator<(const _Tp&, const optional<_Tp>&)):
3135         Turn into operator<(const _Up&, const optional<_Tp>&).
3136         (operator>(const optional<_Tp>&, const _Tp&)):
3137         Turn into operator>(const optional<_Tp>&, const _Up&).
3138         (operator>(const _Tp&, const optional<_Tp>&)):
3139         Turn into operator>(const _Up&, const optional<_Tp>&).
3140         (operator<=(const optional<_Tp>&, const _Tp&)):
3141         Turn into operator<=(const optional<_Tp>&, const _Up&).
3142         (operator<=(const _Tp&, const optional<_Tp>&)):
3143         Turn into operator<=(const _Up&, const optional<_Tp>&).
3144         (operator>=(const optional<_Tp>&, const _Tp&)):
3145         Turn into operator>=(const optional<_Tp>&, const _Up&).
3146         (operator>=(const _Tp&, const optional<_Tp>&)):
3147         Turn into operator>=(const _Up&, const optional<_Tp>&).
3148         * testsuite/20_util/optional/relops/7.cc: New.
3149
3150 2017-03-10  Jonathan Wakely  <jwakely@redhat.com>
3151
3152         * testsuite/17_intro/names.cc: Undefine macros that clash with
3153         identifiers in AIX system headers.
3154
3155         * include/bits/invoke.h (__invoke): Use __invoke_result instead of
3156         result_of, and __is_nothrow_invocable instead of
3157         __is_nothrow_callable.
3158         * include/bits/shared_ptr_base.h (__shared_ptr): Use __is_invocable
3159         instead of __is_callable.
3160         * include/std/functional (invoke): use invoke_result_t instead of
3161         result_of_t and is_nothrow_invocable instead of is_nothrow_callable.
3162         (_Not_fn): Use __invoke_result instead of result_of.
3163         * include/std/type_traits (__result_of_memobj, __result_of_memfun):
3164         Remove partial specializations for reference_wrapper types.
3165         (__result_of_impl): Use __inv_unwrap to strip reference_wrapper.
3166         (__invoke_result): Define replacement for result_of and then use it to
3167         define result_of.
3168         (__is_callable_impl, __is_callable, __is_nothrow_callable): Replace
3169         with __is_invocable_impl, __is_invocable, and __is_nothrow_invocable
3170         respectively.
3171         (invoke_result, invoke_result_t): Define for C++17.
3172         (is_callable, is_nothrow_callable): Replace with is_invocable,
3173         is_invocable_r, is_nothrow_invocable, and is_nothrow_invocable_r.
3174         (is_callable_v, is_nothrow_callable_v): Replace with is_invocable_v,
3175         is_invocable_r_v, is_nothrow_invocable_v, and is_nothrow_invocable_r_v.
3176         * include/std/variant (hash<variant<T...>>): Use is_nothrow_invocable_v
3177         instead of is_nothrow_callable_v.
3178         * testsuite/20_util/function_objects/invoke/59768.cc: Remove unused
3179         main function.
3180         * testsuite/20_util/function_objects/not_fn/1.cc: Use is_invocable
3181         instead of is_callable.
3182         * testsuite/20_util/is_callable/*: Rename directory and adjust tests
3183         to use new traits.
3184         * testsuite/20_util/is_nothrow_callable/*: Likewise.
3185         * testsuite/20_util/optional/hash.cc: Use is_invocable_v instead of
3186         is_callable.
3187         * testsuite/20_util/variant/hash.cc: Likewise.
3188
3189 2017-03-10  George Lander  <george.lander@arm.com>
3190
3191         * acinclude.m4 (glibcxx_cv_obsolete_isnan): Define
3192         _GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h.
3193         * configure: Regenerate.
3194
3195 2017-03-09  Jonathan Wakely  <jwakely@redhat.com>
3196
3197         * include/std/functional (_Not_fn): Define macro to simplify
3198         repetitive function definitions.
3199
3200         * doc/xml/manual/status_cxx2017.xml: Document std::byte support.
3201         * include/c_global/cstddef (std::byte): Define for C++17.
3202         * testsuite/18_support/byte/global_neg.cc: New test.
3203         * testsuite/18_support/byte/ops.cc: New test.
3204         * testsuite/18_support/byte/requirements.cc: New test.
3205
3206 2017-03-05  Jonathan Wakely  <jwakely@redhat.com>
3207
3208         * doc/xml/manual/status_cxx2017.xml: Document P0156R2 status.
3209         * doc/html/*: Regenerate.
3210         * include/std/mutex (scoped_lock): Implement new C++17 template.
3211         * testsuite/30_threads/scoped_lock/cons/1.cc: New test.
3212         * testsuite/30_threads/scoped_lock/requirements/
3213         explicit_instantiation.cc: New test.
3214         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: New test.
3215
3216 2017-03-02  Gerald Pfeifer  <gerald@pfeifer.com>
3217             François Dumont  <frs.dumont@gmail.com>
3218             Jonathan Wakely  <jwakely@redhat.com>
3219
3220         * doc/xml/manual/debug_mode.xml: Update and simplify note
3221         on link- and run-time coexistence.
3222
3223 2017-03-02  Jonathan Wakely  <jwakely@redhat.com>
3224
3225         * testsuite/17_intro/headers/names.cc: Rename to ...
3226         * testsuite/17_intro/names.cc: ... here.
3227
3228         PR libstdc++/79789
3229         * include/bits/hashtable_policy.h (__clp2): Use reserved names for
3230         parameters and local variables.
3231         * include/bits/ios_base.h (make_error_code, make_error_condition):
3232         Likewise.
3233         * include/bits/list.tcc (list::sort): Likewise.
3234         * include/bits/mask_array.h (mask_array): Likewise.
3235         * include/bits/regex.h (regex_token_iterator): Likewise.
3236         * include/bits/slice_array.h (slice_array): Likewise.
3237         * include/bits/stl_algo.h (__sample): Likewise.
3238         * include/std/memory (undeclare_no_pointers): Likewise.
3239         * include/std/type_traits (is_callable_v, is_nothrow_callable_v):
3240         Likewise.
3241         * libsupc++/exception_ptr.h (__dest_thunk): Likewise.
3242         * testsuite/17_intro/headers/names.cc: New test.
3243
3244         PR libstdc++/79798
3245         * include/std/functional (bind::_Res_type_impl): Fix incorrect use of
3246         result_of that loses top-level cv-qualifiers.
3247         * testsuite/20_util/bind/79798.cc: New test.
3248
3249 2017-03-01  Gerald Pfeifer  <gerald@pfeifer.com>
3250
3251         * doc/xml/manual/documentation_hacking.xml: Tweak link to
3252         doxygen.org.
3253
3254 2017-02-23  Jonathan Wakely  <jwakely@redhat.com>
3255
3256         * include/experimental/iterator: Include <iterator>.
3257         * testsuite/experimental/iterator/requirements.cc: Check for contents
3258         of <iterator>.
3259
3260 2017-02-19  Dinka Ranns  <dinka.ranns@googlemail.com>
3261
3262         C++17 GB50 resolution
3263         * include/std/chrono (duration::operator++()): Add
3264         _GLIBCXX17_CONSTEXPR.
3265         (duration::operator++(int)): Likewise.
3266         (duration::operator--()): Likewise.
3267         (duration::operator--(int)): Likewise.
3268         (duration::operator+=(const duration&)): Likewise.
3269         (duration::operator-=(const duration&)): Likewise.
3270         (duration::operator*=(const rep&)): Likewise.
3271         (duration::operator/=(const rep&)): Likewise.
3272         (duration::operator%=(const rep&)): Likewise.
3273         (duration::operator%=(const duration&)): Likewise.
3274         (time_point::operator+=(const duration&)): Likewise.
3275         (time_point::operator-=(const duration&)): Likewise.
3276         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: New test.
3277         * testsuite/20_util/duration/literals/range.cc: Adjust dg-error.
3278         * testsuite/20_util/time_point/arithmetic/constexpr.cc: New test.
3279
3280 2017-02-19  Gerald Pfeifer  <gerald@pfeifer.com>
3281
3282         * doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer.
3283
3284 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
3285
3286         * doc/xml/manual/io.xml: Update link to groups.google.com.
3287         Tweak link description.
3288
3289 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
3290
3291         * doc/xml/manual/profile_mode.xml: Fix link.
3292
3293 2017-02-16  Gerald Pfeifer  <gerald@pfeifer.com>
3294
3295         * doc/xml/manual/policy_data_structures.xml: Simplify and
3296         standardize references to boost.org.
3297         * doc/xml/manual/policy_data_structures_biblio.xml: Ditto.
3298         * doc/xml/manual/shared_ptr.xml: Ditto.
3299
3300 2017-02-16  Jonathan Wakely  <jwakely@redhat.com>
3301
3302         PR libstdc++/60936
3303         * src/c++11/snprintf_lite.cc (__concat_size_t): Calculate length
3304         written to buffer, not length remaining in buffer.
3305
3306 2017-02-15  Tim Shen  <timshen@google.com>
3307
3308         PR libstdc++/78723
3309         * include/std/variant (operator<(), operator>(), operator<=(),
3310         operator>=(), operator==(), operator!=()): Implement P0393R3.
3311         * testsuite/20_util/variant/compile.cc: Adjust tests.
3312         * testsuite/20_util/variant/run.cc: Adjust tests.
3313
3314 2017-02-15  Tim Shen  <timshen@google.com>
3315
3316         PR libstdc++/79513
3317         * include/std/variant (visit()): Forward variant types to the return
3318         type detection code.
3319         * testsuite/20_util/variant/compile.cc: Add test cases.
3320
3321 2017-02-13  H.J. Lu  <hongjiu.lu@intel.com>
3322
3323         PR libstdc++/79348
3324         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3325
3326 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
3327
3328         PR libstdc++/79348
3329         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3330         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Likewise.
3331         * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Likewise.
3332         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Likewise.
3333         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Likewise.
3334         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Likewise.
3335         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Likewise.
3336         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Likewise.
3337         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Likewise.
3338
3339 2017-02-13  Jonathan Wakely  <jwakely@redhat.com>
3340
3341         PR libstdc++/79486
3342         * include/std/future (__future_base::_Task_state::_M_run)
3343         (__future_base::_Task_state::_M_run_delayed): Use lvalue types in
3344         result_of expressions.
3345         * testsuite/30_threads/packaged_task/79486.cc: New.
3346
3347 2017-02-11  Jonathan Wakely  <jwakely@redhat.com>
3348
3349         PR libstdc++/79467
3350         * include/bits/shared_ptr_base.h (__shared_ptr(_Yp*, _Deleter))
3351         (__shared_ptr(_Yp*, _Deleter, _Alloc)): Use lvalue types in
3352         __is_callable check.
3353         * testsuite/20_util/shared_ptr/cons/79467.cc: New.
3354
3355         * include/bits/atomic_base.h: Re-indent.
3356
3357 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
3358
3359         * doc/xml/manual/profile_mode.xml: Update a paper reference.
3360
3361 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
3362
3363         * src/c++11/snprintf_lite.cc (__err): Use https for bug reporting.
3364
3365 2017-02-08  Jonathan Wakely  <jwakely@redhat.com>
3366
3367         * doc/xml/manual/policy_data_structures.xml: Fix spelling of author's
3368         name.
3369         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise. Remove
3370         broken links to texts that are no longer online.
3371         * doc/xml/manual/profile_mode.xml: Update links to CGO 2009 paper and
3372         LCPC 2006 paper.
3373         * doc/xml/manual/using.xml: Update links to memory model information.
3374         * doc/xml/manual/using_exceptions.xml: Update link to "Appendix E:
3375         Standard-Library Exception Safety".
3376         * doc/html/*: Regenerate.
3377
3378 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
3379
3380         * doc/xml/manual/profile_mode.xml: Unbreak link to
3381         "Optimizing Sorting with Machine Learning Algorithms".
3382
3383 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
3384
3385         * src/c++11/snprintf_lite.cc (__err): Update bug reporting URL.
3386
3387 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
3388
3389         * doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++
3390         Migration Guide".
3391
3392 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
3393
3394         * doc/html/ext/lwg-active.html: Remove.
3395         * doc/html/ext/lwg-closed.html: Ditto.
3396         * doc/html/ext/lwg-defects.html: Ditto.
3397
3398         * doc/Makefile.am (xml_extradir): Remove.
3399         (xml_extra): Ditto.
3400         (stamp-html-docbook-lwg): Remove recipe...
3401         (stamp-html-docbook-data): ...and its use here.
3402         * doc/Makefile.in: Regenerate.
3403
3404         * doc/xml/manual/intro.xml: Shorten two paragraphs explaining
3405         the relationship to the upstream working group.
3406         Replace a local link to ../ext/lwg-active.html by the upstream one.
3407         Replace all reference to ../ext/lwg-defects.html by a new entity
3408         &DR; which refers to the upstream address.
3409
3410 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
3411
3412         * doc/xml/manual/status_cxx2017.xml: Fix link to N4284.
3413
3414 2017-02-06  Jonathan Wakely  <jwakely@redhat.com>
3415
3416         PR libstdc++/79323
3417         * testsuite/20_util/duration/literals/range.cc: Prune extra output
3418         at -O0.
3419
3420 2017-02-06  Gerald Pfeifer  <gerald@pfeifer.com>
3421
3422         * doc/xml/manual/documentation_hacking.xml: Update URL of the
3423         DocBook Element Reference.  Use that term as link description
3424         instead of "online".
3425         epubcheck has moved to GitHub.
3426         Remove obsolete link to DocBook Publishing Tools.
3427
3428 2017-02-03  Jonathan Wakely  <jwakely@redhat.com>
3429
3430         PR libstdc++/66145
3431         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Restore ABI override
3432         so new ios::failure can be caught even when old ABI is the default.
3433         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3434         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3435         exceptions_failbit.cc: Likewise.
3436         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3437         exceptions_failbit.cc: Likewise.
3438         * testsuite/27_io/basic_istream/extractors_other/char/
3439         exceptions_null.cc: Likewise.
3440         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3441         exceptions_null.cc: Likewise.
3442         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3443         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3444         * testsuite/27_io/basic_ostream/inserters_other/char/
3445         exceptions_null.cc: Likewise.
3446         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3447         exceptions_null.cc: Likewise.
3448         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3449
3450         PR libstdc++/60936
3451         * src/c++11/Makefile.am: Add new files.
3452         * src/c++11/Makefile.in: Regenerate.
3453         * src/c++11/cow-string-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
3454         (operator<<, operator>>, getline): Move explicit instantiations to ...
3455         * src/c++11/cow-string-io-inst.cc: ... new file.
3456         * src/c++11/cow-wstring-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
3457         (operator<<, operator>>, getline): Move explicit instantiations to ...
3458         * src/c++11/cow-wstring-io-inst.cc: ... new file.
3459         * src/c++11/functexcept.cc (__throw_ios_failure, __throw_system_error)
3460         (__throw_future_error, __throw_bad_function_call):
3461         (__throw_regex_error): Move functions for C++11 exceptions to the
3462         files that define the exception types.
3463         * src/c++11/functional.cc (__throw_bad_function_call): Move here.
3464         * src/c++11/future.cc (__throw_future_error): Likewise.
3465         * src/c++11/ios.cc (__throw_ios_failure): Likewise.
3466         * src/c++11/regex.cc (__throw_regex_error): Likewise.
3467         * src/c++11/snprintf_lite.cc (__concat_size_t): Print decimal
3468         representation directly instead of calling __int_to_char.
3469         * src/c++11/sso_string.cc (__sso_string): New file for definition
3470         of __sso_string type.
3471         * src/c++11/string-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
3472         explicit instantiations of narrow string I/O functions.
3473         * src/c++11/system_error.cc (__throw_system_error): Move here.
3474         (__sso_string): Move to new file.
3475         * src/c++11/wstring-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
3476         explicit instantiations of wide string I/O functions.
3477         * src/c++98/misc-inst.cc [_GLIBCXX_USE_CXX11_ABI] (operator<<)
3478         (operator>>, getline): Remove explicit instantiations from here.
3479
3480 2017-02-02  H.J. Lu  <hongjiu.lu@intel.com>
3481
3482         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3483
3484 2017-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3485
3486         * configure.host: Separate Solaris/SPARC and x86 baselines.
3487         * config/abi/post/solaris2.10/baseline_symbols.txt: Move ...
3488         * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: ... here.
3489         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Move ...
3490         * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3491         ... here.
3492         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Move ...
3493         * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: ... here.
3494         * config/abi/post/i386-solaris2.10/baseline_symbols.txt: New file.
3495         * config/abi/post/solaris2.11/baseline_symbols.txt: Move ...
3496         * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: ... here.
3497         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Move ...
3498         * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3499         ... here.
3500         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Move ...
3501         * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: ... here.
3502         * config/abi/post/i386-solaris2.11/baseline_symbols.txt: New file.
3503
3504         * config/abi/post/solaris2.10/baseline_symbols.txt: Regenerate.
3505         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
3506         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.
3507         * config/abi/post/solaris2.11/baseline_symbols.txt: Likewise.
3508         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Likewise.
3509         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Likewise.
3510
3511 2017-02-01  Jonathan Wakely  <jwakely@redhat.com>
3512
3513         PR libstdc++/78346
3514         * include/bits/predefined_ops.h (_Iter_equals_iter): Store iterator
3515         not its referent.
3516         (_Iter_comp_to_iter): Likewise.
3517         * testsuite/25_algorithms/search/78346.cc: New test.
3518
3519         PR libstdc++/79254
3520         * config/abi/pre/gnu.ver: Remove recently added symbols.
3521         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3522         (basic_string::_M_copy_assign): Remove.
3523         (basic_string::operator=(const basic_string&)): Don't dispatch to
3524         _M_copy_assign. If source object is small just deallocate, otherwise
3525         perform new allocation before making any changes.
3526         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
3527         (basic_string::_M_copy_assign(const basic_string&, true_type)):
3528         Remove.
3529         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3530         Test cases where the allocators are equal or the string is small.
3531         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3532         Likewise.
3533
3534 2017-01-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
3535
3536         Implement LWG 2825, LWG 2756 breaks class template argument
3537         deduction for optional.
3538         * include/std/optional: Add a deduction guide.
3539         * testsuite/20_util/optional/cons/deduction_guide.cc: New.
3540
3541 2017-01-27  Jonathan Wakely  <jwakely@redhat.com>
3542
3543         PR libstdc++/79254
3544         * config/abi/pre/gnu.ver: Add new symbols.
3545         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3546         (basic_string::_M_copy_assign): New overloaded functions to perform
3547         copy assignment.
3548         (basic_string::operator=(const basic_string&)): Dispatch to
3549         _M_copy_assign.
3550         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
3551         (basic_string::_M_copy_assign(const basic_string&, true_type)):
3552         Define, performing rollback on exception.
3553         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3554         Test exception-safety guarantee.
3555         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3556         Likewise.
3557         * testsuite/util/testsuite_allocator.h (uneq_allocator::swap): Make
3558         std::swap visible.
3559
3560 2017-01-26  Jonathan Wakely  <jwakely@redhat.com>
3561
3562         PR libstdc++/70607
3563         * include/tr1/complex (conj): Remove using-declaration and restore
3564         overloads, reverting previous change.
3565
3566         * testsuite/23_containers/list/operations/78389.cc: Fix for C++11
3567         mode.
3568         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
3569         Mark as unsupported in C++98 mode.
3570         * testsuite/23_containers/queue/requirements/constructible.cc:
3571         Likewise.
3572         * testsuite/23_containers/stack/requirements/constructible.cc:
3573         Likewise.
3574         * testsuite/25_algorithms/make_heap/movable.cc: Fix for C++11 mode.
3575
3576         PR libstdc++/79243
3577         * include/bits/c++config (literals::string_view_literals::__7): Add.
3578         Only declare versioned namespaces for the relevant C++ dialects.
3579         * include/experimental/bits/erase_if.h (fundamentals_v2::__detail):
3580         Add versioning macros.
3581         * include/experimental/bits/lfts_config.h:
3582         (fundamentals_v1::__detail::__7, fundamentals_v2::__detail::__7): Add.
3583         * include/experimental/string_view (fundamentals_v2::__detail):
3584         Add versioning macros.
3585         (fundamentals_v2::__detail::__identity): Remove.
3586         (fundamentals_v2::__detail::__idt): Use common_type instead of
3587         __detail::__identity.
3588         * include/std/string_view (__detail::__identity, __detail::__idt):
3589         Likewise.
3590         (literals::string_view_literals): Fix nesting of versioning macros.
3591
3592         PR libstdc++/79190
3593         * libsupc++/del_opa.cc (operator delete(void*, std::align_val_t))
3594         [!_GLIBCXX_HAVE_ALIGNED_ALLOC && !_GLIBCXX_HAVE_POSIX_MEMALIGN
3595         && !_GLIBCXX_HAVE_MEMALIGN && !_GLIBCXX_HAVE__ALIGNED_MALLOC]:
3596         Retrieve original pointer value allocated by malloc.
3597         * libsupc++/new_opa.cc [!_GLIBCXX_HAVE_ALIGNED_ALLOC
3598         && !_GLIBCXX_HAVE_POSIX_MEMALIGN && !_GLIBCXX_HAVE_MEMALIGN
3599         && !_GLIBCXX_HAVE__ALIGNED_MALLOC] (aligned_alloc(size_t, size_t)):
3600         Define, adjusting pointer value allocated by malloc and storing for
3601         retrieval by operator delete.
3602
3603 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
3604
3605         * libsupc++/eh_atomics.h: Update copyright years.
3606         * testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years.
3607
3608 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
3609
3610         PR libstdc++/61791
3611         PR libstdc++/70607
3612         * include/std/complex (real(T), imag(T)): Add _GLIBCXX_CONSTEXPR.
3613         (proj(T), conj(T)): Change return types per DR 1522.
3614         * include/tr1/complex (conj): Remove overloads and use std::conj.
3615         * testsuite/26_numerics/complex/dr781_dr1137.cc: Rename to...
3616         * testsuite/26_numerics/complex/dr781.cc: ... this, and update.
3617         * testsuite/26_numerics/complex/value_operations/constexpr2.cc: Test
3618         real(T) and imag(T). Allow testing for C++11 too.
3619
3620 2017-01-24  Jonathan Wakely  <jwakely@redhat.com>
3621
3622         PR libstdc++/79206
3623         * include/experimental/string_view (operator==): Check sizes first.
3624         * include/std/string_view (operator==): Likewise.
3625
3626 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
3627
3628         * testsuite/experimental/array/make_array.cc: Restore <functional>
3629         inclusion.
3630
3631 2017-01-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3632
3633         * testsuite/29_atomics/atomic/69301.cc: Require atomic builtins.
3634
3635 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
3636
3637         PR libstdc++/79195
3638         * include/experimental/array (__make_array_elem): New class template
3639         and partial specialization.
3640         (__is_reference_wrapper): Move into __make_array_elem specialization.
3641         (make_array): Use __make_array_elem to determine element type and move
3642         static assertion into specialization. Qualify std::forward call.
3643         (to_array): Add exception specifiation.
3644         * testsuite/experimental/array/make_array.cc: Test argument types
3645         without a common type.
3646         * testsuite/experimental/array/neg.cc: Adjust expected error message.
3647
3648 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3649
3650         * doc/xml/manual/debug.xml: code.google.com uses https now.
3651
3652 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3653
3654         * doc/xml/manual/test.xml: Fix link into gccint online manual.
3655
3656 2017-01-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
3657
3658         Make poisoned hashes SFINAE away the call operator of the hash.
3659         * include/bits/functional_hash.h
3660         (__poison_hash::__enable_hash_call): New.
3661         * include/std/optional (__optional_hash_call_base): New.
3662         (hash<optional<_Tp>>): Derive from the new base,
3663         move the hash function into that base.
3664         * include/std/variant (__variant_hash_call_base_impl): New.
3665         (__variant_hash_call_base): Likewise.
3666         (hash<variant<_Types...>>): Derive from the new base,
3667         move the hash function into that base.
3668         * testsuite/20_util/optional/hash.cc: Add tests for is_callable.
3669         * testsuite/20_util/variant/hash.cc: Likewise.
3670
3671 2017-01-20  Joe Seymour  <joe.s@somniumtech.com>
3672
3673         * acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t.
3674         * configure: Regenerate.
3675
3676 2017-01-20  Jonathan Wakely  <jwakely@redhat.com>
3677
3678         PR libstdc++/69240
3679         * include/bits/random.h (uniform_real_distribution::param_type)
3680         (normal_distribution::param_type, lognormal_distribution::param_type)
3681         (gamma_distribution::param_type, chi_squared_distribution::param_type)
3682         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
3683         (student_t_distribution::param_type)
3684         (bernoulli_distribution::param_type, binomial_distribution::param_type)
3685         (geometric_distribution::param_type)
3686         (negative_binomial_distribution::param_type)
3687         (poisson_distribution::param_type)
3688         (exponential_distribution::param_type)
3689         (weibull_distribution::param_type)
3690         (extreme_value_distribution::param_type)
3691         (discrete_distribution::param_type)
3692         (piecewise_constant_distribution::param_type)
3693         (piecewise_linear_distribution::param_type): Define operator!=.
3694         * include/bits/uniform_int_dist.h
3695         (uniform_int_distribution::param_type): Likewise.
3696         * include/ext/random (beta_distribution::param_type)
3697         (rice_distribution::param_type, nakagami_distribution::param_type)
3698         (pareto_distribution::param_type, k_distribution::param_type)
3699         (arcsine_distribution::param_type, hoyt_distribution::param_type)
3700         (triangular_distribution::param_type)
3701         (von_mises_distribution::param_type)
3702         (hypergeometric_distribution::param_type)
3703         (logistic_distribution::param_type)
3704         (uniform_on_sphere_distribution::param_type)
3705         (uniform_inside_sphere_distribution::param_type): Likewise.
3706         * testsuite/26_numerics/random/bernoulli_distribution/cons/parms.cc:
3707         Test construction with param_type.
3708         * testsuite/26_numerics/random/binomial_distribution/cons/parms.cc:
3709         Likewise.
3710         * testsuite/26_numerics/random/cauchy_distribution/cons/parms.cc:
3711         Likewise.
3712         * testsuite/26_numerics/random/chi_squared_distribution/cons/parms.cc:
3713         Likewise.
3714         * testsuite/26_numerics/random/exponential_distribution/cons/parms.cc:
3715         Likewise.
3716         * testsuite/26_numerics/random/extreme_value_distribution/cons/
3717         parms.cc: Likewise.
3718         * testsuite/26_numerics/random/fisher_f_distribution/cons/parms.cc:
3719         Likewise.
3720         * testsuite/26_numerics/random/gamma_distribution/cons/parms.cc:
3721         Likewise.
3722         * testsuite/26_numerics/random/geometric_distribution/cons/parms.cc:
3723         Likewise.
3724         * testsuite/26_numerics/random/lognormal_distribution/cons/parms.cc:
3725         Likewise.
3726         * testsuite/26_numerics/random/negative_binomial_distribution/cons/
3727         parms.cc: Likewise.
3728         * testsuite/26_numerics/random/normal_distribution/cons/parms.cc:
3729         Likewise.
3730         * testsuite/26_numerics/random/poisson_distribution/cons/parms.cc:
3731         Likewise.
3732         * testsuite/26_numerics/random/student_t_distribution/cons/parms.cc:
3733         Likewise.
3734         * testsuite/26_numerics/random/uniform_int_distribution/cons/parms.cc:
3735         Likewise.
3736         * testsuite/26_numerics/random/uniform_real_distribution/cons/parms.cc:
3737         Likewise.
3738         * testsuite/26_numerics/random/weibull_distribution/cons/parms.cc:
3739         Likewise.
3740         * testsuite/ext/random/arcsine_distribution/cons/parms.cc: Likewise.
3741         * testsuite/ext/random/beta_distribution/cons/parms.cc: Likewise.
3742         * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
3743         * testsuite/ext/random/hypergeometric_distribution/cons/parms.cc:
3744         Likewise.
3745         * testsuite/ext/random/k_distribution/cons/parms.cc: Likewise.
3746         * testsuite/ext/random/logistic_distribution/cons/parms.cc: Likewise.
3747         * testsuite/ext/random/nakagami_distribution/cons/parms.cc: Likewise.
3748         * testsuite/ext/random/normal_mv_distribution/cons/parms.cc: Likewise.
3749         * testsuite/ext/random/pareto_distribution/cons/parms.cc: Likewise.
3750         * testsuite/ext/random/rice_distribution/cons/parms.cc: Likewise.
3751         * testsuite/ext/random/triangular_distribution/cons/parms.cc:
3752         Likewise.
3753         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/
3754         parms.cc: Likewise.
3755         * testsuite/ext/random/von_mises_distribution/cons/parms.cc: Likewise.
3756
3757         PR libstdc++/72792
3758         * include/bits/alloc_traits.h (__allocator_traits_base::__diff_type)
3759         (__allocator_traits_base::__size_type): Remove.
3760         (allocator_traits::_Ptr): New class template to detect const and void
3761         pointer types without instantiating pointer_traits::rebind
3762         unnecessarily.
3763         (allocator_traits::_Diff): Likewise for detecting difference_type.
3764         (allocator_traits::_Size): New class template to detect size_type
3765         without instantiating make_unsigned unnecessarily.
3766         * include/bits/ptr_traits.h (pointer_traits::element_type): Use
3767         __detected_or_t instead of __detected_or_t_.
3768         * include/std/type_traits (__detected_or_t_): Remove.
3769         * testsuite/20_util/allocator_traits/members/pointers.cc: New test.
3770
3771         PR libstdc++/72792
3772         PR libstdc++/72793
3773         * include/bits/alloc_traits.h (__allocator_traits_base::__rebind):
3774         Replace with class template using void_t.
3775         (__alloc_rebind): Define in terms of
3776         __allocator_traits_base::__rebind.
3777         (allocator_traits): Remove unconditional static_assert for
3778         rebind_alloc.
3779         * include/bits/ptr_traits.h (__replace_first_arg): Remove type member.
3780         (pointer_traits::__rebind): Replace with class template using void_t.
3781         (pointer_traits::rebind): Define in terms of __rebind.
3782         (pointer_traits): Remove unconditional static_assert for rebind.
3783         * testsuite/20_util/allocator_traits/members/rebind_alloc.cc: New test.
3784         * testsuite/20_util/pointer_traits/rebind.cc: New test.
3785
3786         PR libstdc++/69321
3787         * include/experimental/any (__any_caster): Avoid instantiating
3788         manager function for types that can't be stored in any.
3789         * include/std/any (__any_caster): Likewise.
3790         * testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
3791         * testsuite/experimental/any/misc/any_cast.cc: Likewise.
3792
3793         PR libstdc++/64903
3794         * include/bits/stl_algo.h (is_partitioned): Use increment instead of
3795         std::advance.
3796
3797 2017-01-19  Jonathan Wakely  <jwakely@redhat.com>
3798
3799         PR libstdc++/79156
3800         * include/bits/shared_ptr_base.h (__enable_shared_from_this_base):
3801         Fix return type.
3802         (__enable_shared_from_this): Declare __shared_ptr as a friend.
3803         * testsuite/ext/shared_ptr/1.cc: New test.
3804
3805         PR libstdc++/64903
3806         * include/bits/stl_algo.h (is_partitioned): Don't retest the partition
3807         point.
3808         * testsuite/25_algorithms/is_partitioned/2.cc: New test.
3809
3810         * doc/xml/manual/abi.xml: Fix typo.
3811         * doc/html/manual/abi.html: Likewise.
3812
3813         PR libstdc++/67085
3814         * include/bits/predefined_ops.h (_Iter_less_val, _Val_less_iter): Add
3815         converting constructors from _Iter_less_iter.
3816         (_Iter_comp_val, _Val_comp_iter): Add converting constructors from
3817         _Iter_comp_iter.
3818         (__iter_comp_val(_Iter_comp_iter<C>): Use converting constructor.
3819         (__val_comp_iter(_Iter_comp_iter<C>): Likewise.
3820         * include/bits/stl_heap.h (__is_heap_until, __push_heap, __pop_heap)
3821         (__make_heap, __sort_heap): Change _Compare parameters to references.
3822         (__is_heap, push_heap, __adjust_heap, __pop_heap, pop_heap)
3823         (__make_heap, make_heap, sort_heap, is_heap_until): Pass comparison
3824         functions as lvalues.
3825         (is_heap): Call __is_heap_until directly to avoid copying __comp.
3826         * testsuite/23_containers/priority_queue/67085.cc: Adjust test to
3827         count copies during construction with empty sequence.
3828
3829         PR libstdc++/67085
3830         * include/bits/stl_heap.h (__is_heap): Use _GLIBCXX_MOVE.
3831         (__make_heap, __sort_heap): Don't use _GLIBCXX_MOVE inside loops.
3832         * testsuite/23_containers/priority_queue/67085.cc: Adjust expected
3833         number of copies.
3834         * testsuite/25_algorithms/make_heap/movable.cc: New test.
3835
3836         PR libstdc++/67085
3837         * include/bits/stl_heap.h (push_heap, __adjust_heap, __pop_heap)
3838         (pop_heap, __make_heap, make_heap, __sort_heap, sort_heap): Use
3839         _GLIBCXX_MOVE when passing comparison function to other functions.
3840         (is_heap_until, is_heap): Use std::move when passing comparison
3841         function.
3842         * testsuite/23_containers/priority_queue/67085.cc: New test.
3843
3844         PR libstdc++/78905
3845         * doc/xml/manual/abi.xml (abi.versioning.history): Add markup to
3846         macro names, filenames, and literal values. Document _GLIBCXX_RELEASE.
3847         Document that the deprecated _GLIBCXX_VERSION macro was removed for
3848         the 4.0.0 release.
3849         * doc/html/*: Regenerate.
3850         * include/Makefile.am (_GLIBCXX_RELEASE): Set value.
3851         * include/Makefile.in: Regenerate.
3852         * include/bits/c++config (_GLIBCXX_RELEASE): Add #define.
3853         * testsuite/ext/profile/mutex_extensions_neg.cc: Use lineno of 0 in
3854         dg-error.
3855
3856 2017-01-18  Jonathan Wakely  <jwakely@redhat.com>
3857
3858         PR libstdc++/69301
3859         * include/std/atomic (atomic<T>::load, atomic<T>::exchange): Use
3860         aligned buffer instead of default-initialized variable.
3861         * testsuite/29_atomics/atomic/69301.cc: New test.
3862         * include/experimental/memory (observer_ptr::release): Use reserved
3863         name.
3864         * include/ext/pointer.h (_Pointer_adapter::operator++(int))
3865         (_Pointer_adapter::operator--(int)): Likewise.
3866
3867         PR libstdc++/68925
3868         * include/experimental/random (randint): Use temporary instead of
3869         thread_local static.
3870
3871 2017-01-17  Joshua Conner  <joshconner@google.com>
3872
3873         * crossconfig.m4: Add fuchsia OS.
3874         * configure: Regenerate.
3875
3876 2017-01-17  Jonathan Wakely  <jwakely@redhat.com>
3877
3878         PR libstdc++/69699
3879         * doc/xml/manual/abi.xml (abi.versioning.history): Explain why the
3880         __GLIBCXX__ macro is not useful. Remove redundant date information
3881         and link to the GCC release timeline.
3882         (abi.versioning.active): Move partial sentence into the previous
3883         paragraph.
3884         * doc/html/*: Regenerate.
3885
3886         PR libstdc++/79114
3887         * libsupc++/nested_exception.h (throw_with_nested): Use decay instead
3888         of remove_reference.
3889         * testsuite/18_support/nested_exception/79114.cc: New test.
3890
3891 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
3892
3893         PR other/79046
3894         * configure.ac: Add GCC_BASE_VER.
3895         * fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
3896         get version from BASE-VER file.
3897         * po/Makefile.in: Regenerated.
3898         * libsupc++/Makefile.in: Regenerated.
3899         * testsuite/Makefile.in: Regenerated.
3900         * src/Makefile.in: Regenerated.
3901         * configure: Regenerated.
3902         * Makefile.in: Regenerated.
3903         * include/Makefile.in: Regenerated.
3904         * doc/Makefile.in: Regenerated.
3905         * python/Makefile.in: Regenerated.
3906         * src/c++11/Makefile.in: Regenerated.
3907         * src/c++98/Makefile.in: Regenerated.
3908         * src/filesystem/Makefile.in: Regenerated.
3909
3910 2017-01-16  Jonathan Wakely  <jwakely@redhat.com>
3911
3912         PR libstdc++/66145
3913         * src/c++11/functexcept.cc: Use new ABI for std::ios_base::failure
3914         exceptions.
3915         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Don't override ABI
3916         for test, so new ios::failure can be caught.
3917         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3918         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3919         exceptions_failbit.cc: Likewise.
3920         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3921         exceptions_failbit.cc: Likewise.
3922         * testsuite/27_io/basic_istream/extractors_other/char/
3923         exceptions_null.cc: Likewise.
3924         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3925         exceptions_null.cc: Likewise.
3926         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3927         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3928         * testsuite/27_io/basic_ostream/inserters_other/char/
3929         exceptions_null.cc: Likewise.
3930         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3931         exceptions_null.cc: Likewise.
3932         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3933
3934         PR libstdc++/78702
3935         * include/bits/locale_classes.h (locale::facet::__shim): Change from
3936         private to protected.
3937         * src/c++11/cxx11-shim_facets.cc (__shim_accessor): Define helper to
3938         make locale::facet::__shim accessible.
3939
3940 2017-01-16  Ville Voutilainen  <ville.voutilainen@gmail.com>
3941
3942         PR libstdc++/78389
3943         * include/bits/list.tcc (merge(list&&)): Fix backwards size adjustments.
3944         (merge(list&&, _StrictWeakOrdering)): Likewise.
3945         * testsuite/23_containers/list/operations/78389.cc: Add
3946         better test for the sizes.
3947
3948 2017-01-14  Jonathan Wakely  <jwakely@redhat.com>
3949
3950         * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
3951         Skip test when -D_GLIBCXX_PROFILE mode is included in options.
3952         * testsuite/23_containers/map/modifiers/extract.cc: Likewise.
3953         * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
3954         Likewise.
3955         * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
3956         * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
3957         * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
3958         * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
3959         * testsuite/23_containers/unordered_map/modifiers/extract.cc:
3960         Likewise.
3961         * testsuite/23_containers/unordered_multimap/modifiers/extract.cc::
3962         Likewise.
3963         * testsuite/23_containers/unordered_multiset/modifiers/extract.cc::
3964         Likewise.
3965         * testsuite/23_containers/unordered_set/modifiers/extract.cc:
3966         Likewise.
3967         * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
3968         Likewise.
3969         * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
3970         * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
3971         * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
3972         * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
3973         * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
3974         * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3975         * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3976         * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
3977         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
3978         * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3979         * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3980         * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3981         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3982
3983 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
3984
3985         PR libstdc++/65411
3986         * config/io/basic_file_stdio.cc (__basic_file<char>::close()): Don't
3987         retry fclose on EINTR.
3988
3989         * include/profile/base.h: Remove unused header that leads to header
3990         cycle in C++17 mode.
3991
3992         PR libstdc++/79075
3993         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
3994         Make _If_sv private.
3995         [!_GLIBCXX_USE_CXX11_ABI] (basic_string): Add member functions taking
3996         basic_string_view arguments.
3997
3998         PR libstdc++/79075
3999         * testsuite/lib/libstdc++.exp (check_v3_target_filesystem_ts): Remove
4000         redundant option from cxxflags.
4001         (check_effective_target_cxx11-abi): Define.
4002         * testsuite/21_strings/basic_string/allocator/71964.cc: Use cxx11-abi
4003         effective target.
4004         * testsuite/21_strings/basic_string/allocator/char/copy.cc: Likewise.
4005         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
4006         Likewise.
4007         * testsuite/21_strings/basic_string/allocator/char/minimal.cc:
4008         Likewise.
4009         * testsuite/21_strings/basic_string/allocator/char/move.cc: Likewise.
4010         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
4011         Likewise.
4012         * testsuite/21_strings/basic_string/allocator/char/noexcept.cc:
4013         Likewise.
4014         * testsuite/21_strings/basic_string/allocator/char/swap.cc: Likewise.
4015         * testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc:
4016         Likewise.
4017         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
4018         Likewise.
4019         * testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc:
4020         Likewise.
4021         * testsuite/21_strings/basic_string/allocator/wchar_t/move.cc:
4022         Likewise.
4023         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
4024         Likewise.
4025         * testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc:
4026         Likewise.
4027         * testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc:
4028         Likewise.
4029         * testsuite/23_containers/list/61347.cc: Likewise.
4030         * testsuite/27_io/basic_fstream/cons/base.cc: Likewise.
4031         * testsuite/27_io/ios_base/failure/cxx11.cc: Likewise.
4032
4033 2017-01-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
4034
4035         PR libstdc++/78389
4036         * include/bits/list.tcc (merge(list&&)):
4037         Adjust list sizes if the comparator throws.
4038         (merge(list&&, _StrictWeakOrdering)): Likewise.
4039         (sort()): Splice elements back from the scratch buffers
4040         if the comparator throws.
4041         (sort(_StrictWeakOrdering)): Likewise.
4042         * testsuite/23_containers/list/operations/78389.cc: New.
4043
4044 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
4045
4046         * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Mark
4047         XFAIL for C++17 until node reinsertion supports fancy pointers.
4048
4049         PR libstdc++/78361
4050         * testsuite/20_util/add_pointer/value.cc: Test forming function
4051         pointers.
4052
4053 2017-01-13  Michael Brune  <lucdanton@free.fr>
4054
4055         PR libstdc++/78361
4056         * include/std/type_traits (__is_referenceable): Handle noexcept
4057         function types.
4058
4059 2017-01-12  Jonathan Wakely  <jwakely@redhat.com>
4060
4061         PR libstdc++/77528
4062         * include/bits/stl_queue.h (queue, priority_queue): Remove default
4063         member-initializers and define default constructors as templates with
4064         constraints.
4065         * include/bits/stl_stack.h (stack): Likewise.
4066         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
4067         New.
4068         * testsuite/23_containers/priority_queue/requirements/
4069         explicit_instantiation/1.cc: Test more instantiations.
4070         * testsuite/23_containers/priority_queue/requirements/
4071         explicit_instantiation/1_c++98.cc: Likewise.
4072         * testsuite/23_containers/queue/requirements/constructible.cc: New.
4073         * testsuite/23_containers/stack/requirements/constructible.cc: New.
4074
4075         PR libstdc++/66284
4076         * doc/xml/manual/intro.xml: Document LWG 2781 change.
4077         * doc/html/*: Regenerate.
4078         * include/std/functional (_Function_base::_Ref_manager): Remove.
4079         (_Function_handler): Remove partial specializations for
4080         reference_wrapper.
4081         (function::target): Remove special case for const qualification.
4082         * testsuite/20_util/function/6.cc: Adjust tests for target type.
4083         * testsuite/20_util/function/7.cc: Likewise.
4084         * testsuite/20_util/function/8.cc: Likewise.
4085
4086 2017-01-11  Jonathan Wakely  <jwakely@redhat.com>
4087
4088         PR libstdc++/78134
4089         * include/bits/stl_map.h (map::lower_bound, map::upper_bound)
4090         (map::equal_range): Fix return type of heterogeneous overloads.
4091         * include/bits/stl_multimap.h (multimap::lower_bound)
4092         (multimap::upper_bound, multimap::equal_range): Likewise.
4093         * include/bits/stl_multiset.h (multiset::lower_bound)
4094         (multiset::upper_bound, multiset::equal_range): Likewise.
4095         * include/bits/stl_set.h (set::lower_bound, set::upper_bound)
4096         (set::equal_range): Likewise.
4097         * testsuite/23_containers/map/operations/2.cc
4098         * testsuite/23_containers/multimap/operations/2.cc
4099         * testsuite/23_containers/multiset/operations/2.cc
4100         * testsuite/23_containers/set/operations/2.cc
4101
4102         PR libstdc++/78273
4103         * include/bits/stl_map.h (map::count<_Kt>(const _Kt&)): Don't assume
4104         the heterogeneous comparison can only find one match.
4105         * include/bits/stl_set.h (set::count<_Kt>(const _Kt&)): Likewise.
4106         * testsuite/23_containers/map/operations/2.cc: Test count works with
4107         comparison function that just partitions rather than sorting.
4108         * testsuite/23_containers/set/operations/2.cc: Likewise.
4109
4110 2017-01-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
4111
4112         Reduce the size of variant, it doesn't need an index of
4113         type size_t internally.
4114         * include/std/variant (parse_numbers.h): New include.
4115         (__select_index): New.
4116         (_Variant_storage<false, _Types...>::_M_reset_impl): Use
4117         _index_type for comparison with variant_npos.
4118         (_Variant_storage<false, _Types...>::__index_type): New.
4119         (_Variant_storage<false, _Types...>::_M_index): Change the
4120         type from size_t to __index_type.
4121         (_Variant_storage<true, _Types...>::__index_type): New.
4122         (_Variant_storage<true, _Types...>::_M_index): Change the
4123         type from size_t to __index_type.
4124         (_Variant_base::_M_valid): Use _Storage::__index_type
4125         for comparison with variant_npos.
4126         (variant::index): Use _Base::_Storage::__index_type
4127         for comparison with variant_npos.
4128         * testsuite/20_util/variant/index_type.cc: New.
4129
4130 2017-01-10  Jonathan Wakely  <jwakely@redhat.com>
4131
4132         * testsuite/18_support/exception_ptr/60612-unexpected.cc: Adjust
4133         effective target selector to prevent running in C++17 mode.
4134
4135         PR libstdc++/77528
4136         * include/bits/stl_queue.h (queue::c): Add default member initializer.
4137         (queue::queue()): Add constructor and define as defaulted.
4138         (queue::queue(_Sequence&&)): Remove default argument.
4139         (priority_queue::c, priority_queue::comp): Add default member
4140         initializers.
4141         (priority_queue::priority_queue()): Add constructor and define as
4142         defaulted.
4143         (priority_queue::priority_queue(const _Compare&, _Sequence&&)):
4144         Remove default argument for first parameter.
4145         * include/bits/stl_stack.h (stack::c): Add default member initializer.
4146         (stack::stack()): Add constructor and define as defaulted.
4147         (stack::stack(const _Sequence&)): Remove default argument.
4148         * testsuite/23_containers/priority_queue/requirements/
4149         explicit_instantiation/1.cc: Test explicit instantiation with
4150         non-DefaultConstructible sequence.
4151         * testsuite/23_containers/priority_queue/77528.cc: New test.
4152         * testsuite/23_containers/priority_queue/requirements/
4153         explicit_instantiation/1_c++0x.cc: Replace with 1_c++98.cc.
4154         * testsuite/23_containers/queue/77528.cc: New test.
4155         * testsuite/23_containers/queue/requirements/explicit_instantiation/
4156         1.cc: Test explicit instantiation with non-DefaultConstructible
4157         sequence.
4158         * testsuite/23_containers/queue/requirements/explicit_instantiation/
4159         1_c++0x.cc: Replace with 1_c++98.cc.
4160         * testsuite/23_containers/stack/77528.cc: New test.
4161         * testsuite/23_containers/stack/requirements/explicit_instantiation/
4162         1.cc: Test explicit instantiation with non-DefaultConstructible
4163         sequence.
4164         * testsuite/23_containers/stack/requirements/explicit_instantiation/
4165         1_c++0x.cc: Replace with 1_c++98.cc.
4166
4167 2017-01-10  Felipe Magno de Almeida <felipe@expertisesolutions.com.br>
4168
4169         * include/bits/locale_facets_nonio.tcc
4170         (time_get::_M_extract_via_format): Avoid compilation errors with
4171         non-standard struct tm.
4172
4173 2017-01-10  François Dumont  <fdumont@gcc.gnu.org>
4174             Jonathan Wakely  <jwakely@redhat.com>
4175
4176         * python/libstdcxx/v6/printers.py (_versioned_namespace): Define.
4177         (is_specialization, strip_versioned_namespace): New helpers functions
4178         to work with symbols in the versioned namespace.
4179         (Printer.add_version): Add second name using versioned namespace.
4180         (add_one_template_type_printer, add_one_type_printer): Add second
4181         type printers using versioned namespace.
4182         (register_type_printers): Add template type printer for basic_string.
4183         (build_libstdcxx_dictionary): Remove dead code.
4184         * python/libstdcxx/v6/xmethods.py: Make all matchers look for
4185         versioned namespace.
4186         * testsuite/libstdc++-prettyprinters/48362.cc: Adjust expected
4187         results.
4188         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
4189
4190 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
4191
4192         PR libstdc++/79017
4193         * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Check for llrint and llround
4194         functions separately on darwin and if they're missing define
4195         _GLIBCXX_NO_C99_ROUNDING_FUNCS.
4196         * config.h.in: Regenerate.
4197         * configure: Regenerate.
4198         * include/c_global/cmath [_GLIBCXX_NO_C99_ROUNDING_FUNCS] (llrint)
4199         (llrintf, llrintl, llround, llroundf, llroundl): Do not define.
4200
4201         * testsuite/30_threads/condition_variable/members/3.cc: Use new macro
4202         to detect correct thread_local destructors.
4203         * testsuite/util/testsuite_hooks.h (CORRECT_THREAD_LOCAL_DTORS):
4204         Define.
4205
4206 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
4207             Aditya Kumar  <hiraditya@msn.com>
4208
4209         PR libstdc++/66414
4210         * include/bits/basic_string.tcc
4211         (basic_string::find(const CharT*, size_type, size_type)): Optimize.
4212
4213 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
4214
4215         * testsuite/21_strings/basic_string/operations/find/char/6.cc: New.
4216         * testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New.
4217
4218         * testsuite/util/performance/priority_queue/mem_usage/pop_test.hpp:
4219         Include <cassert> header.
4220
4221         PR libstdc++/78968
4222         * crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*.
4223         * configure: Regenerate.
4224
4225 2017-01-06  Barrett Adair  <barrettellisadair@gmail.com>
4226             Jonathan Wakely  <jwakely@redhat.com>
4227
4228         * include/std/variant (variant, swap): Replace __and_ usage with fold
4229         expressions.
4230
4231 2017-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4232
4233         PR go/78978
4234         * acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Remove.
4235         * configure.ac: Call GCC_CHECK_ASSEMBLER_HWCAP instead of
4236         GLIBCXX_CHECK_ASSEMBLER_HWCAP.
4237         * fragment.am (CONFIG_CXXFLAGS): Use HWCAP_CFLAGS instead of
4238         HWCAP_FLAGS.
4239         * aclocal.m4: Regenerate.
4240         * configure: Regenerate.
4241         * Makefile.in, doc/Makefile.in, include/Makefile.in,
4242         libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in,
4243         src/Makefile.in, src/c++11/Makefile.in, src/c++98/Makefile.in,
4244         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
4245
4246 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
4247
4248         * include/bits/c++config (_GLIBCXX_ASSERTIONS): Avoid redefinition.
4249
4250         PR libstdc++/78991
4251         * include/bits/predefined_ops.h (_Iter_comp_iter, _Iter_comp_val)
4252         (_Val_comp_iter, _Iter_equals_val, _Iter_pred, _Iter_comp_to_val)
4253         (_Iter_comp_to_iter, _Iter_negate): Make constructors explicit and
4254         move function objects.
4255         (__iter_comp_iter, __iter_comp_val, __val_comp_iter, __pred_iter)
4256         (__iter_comp_val, __iter_comp_iter, __negate): Move function objects.
4257         * testsuite/25_algorithms/sort/78991.cc: New test.
4258
4259 2017-01-05  Jonathan Wakely  <jwakely@redhat.com>
4260
4261         * include/bits/std_function.h (function::_Signature_type): Remove.
4262         (function::function(_Functor)): Adjust.
4263
4264 2017-01-05  Tim Shen  <timshen@google.com>
4265
4266         PR libstdc++/78996
4267         * include/std/variant (__gen_vtable_impl): rename __unused to
4268         __dimensions to avoid naming conflict.
4269
4270 2017-01-04  Jonathan Wakely  <jwakely@redhat.com>
4271
4272         PR libstdc++/78968
4273         * config.h.in: Regenerate.
4274         * configure: Likewise.
4275         * configure.ac: Check for __cxa_thread_atexit.
4276         * libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]:
4277         Don't define __cxa_thread_atexit if libc provides it.
4278
4279 2017-01-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
4280
4281         Implement 2801, Default-constructibility of unique_ptr.
4282         * include/bits/unique_ptr.h (__uniq_ptr_impl::_DeleterConstraint): New.
4283         (unique_ptr::_DeleterConstraint): Likewise.
4284         (unique_ptr()): Constrain.
4285         (unique_ptr(pointer)): Likewise.
4286         (unique_ptr(nullptr_t)): Likewise.
4287         (unique_ptr<_Tp[], _Dp>::_DeleterConstraint): New.
4288         (unique_ptr<_Tp[], _Dp>::unique_ptr()): Constrain.
4289         (unique_ptr<_Tp[], _Dp>::unique_ptr(_Up)): Likewise.
4290         (unique_ptr<_Tp[], _Dp>::unique_ptr(nullptr_t)): Likewise.
4291         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust.
4292         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
4293         * testsuite/20_util/unique_ptr/cons/default.cc: New.
4294         * testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Adjust.
4295
4296 2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
4297             Jonathan Wakely  <jwakely@redhat.com>
4298
4299         PR libstdc++/64735
4300         * acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
4301         * config.h.in: Regenerate.
4302         * config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
4303         (GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
4304         exports for exception_ptr, nested_exception, and future conditional.
4305         [HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
4306         exports for exception_ptr, nested_exception, and future conditional.
4307         * configure: Regenerate.
4308         * configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
4309         * include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
4310         * libsupc++/eh_atomics.h: New file for internal use only.
4311         (__eh_atomic_inc, __eh_atomic_dec): New.
4312         * libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
4313         (exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
4314         (rethrow_exception): Use eh_atomics.h reference counting helpers.
4315         * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
4316         * libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
4317         * libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
4318         * libsupc++/exception_ptr.h: Likewise.
4319         * libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
4320         * libsupc++/nested_exception.cc: Remove check for
4321         ATOMIC_INT_LOCK_FREE.
4322         * libsupc++/nested_exception.h: Likewise.
4323         * src/c++11/future.cc: Likewise.
4324         * testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
4325         * testsuite/18_support/nested_exception/*: Likewise.
4326         * testsuite/30_threads/async/*: Likewise.
4327         * testsuite/30_threads/future/*: Likewise.
4328         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
4329         * testsuite/30_threads/packaged_task/*: Likewise.
4330         * testsuite/30_threads/promise/*: Likewise.
4331         * testsuite/30_threads/shared_future/*: Likewise.
4332
4333 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
4334
4335         * doc/xml/manual/documentation_hacking.xml: sourceforge.net now
4336         defaults to https; adjust reference.
4337
4338 2017-01-03  Jonathan Wakely  <jwakely@redhat.com>
4339
4340         PR libstdc++/78956
4341         * include/std/thread (thread(const thread&&)): Add deleted
4342         constructor.
4343         * testsuite/30_threads/thread/cons/lwg2097.cc: New test.
4344
4345         * doc/xml/manual/spine.xml: Update copyright years.
4346         * doc/xml/manual/build_hacking.xml: Fix spelling of libbuilddir.
4347         * doc/xml/manual/test.xml: Likewise.
4348         * doc/html/*: Regenerate.
4349
4350 2017-01-01  Gerald Pfeifer  <gerald@pfeifer.com>
4351
4352         * doc/xml/faq.xml: Update address of C++ ABI link.
4353         * doc/xml/manual/abi.xml: Ditto.
4354
4355 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
4356
4357         Update copyright years.
4358 \f
4359 Copyright (C) 2017 Free Software Foundation, Inc.
4360
4361 Copying and distribution of this file, with or without modification,
4362 are permitted in any medium without royalty provided the copyright
4363 notice and this notice are preserved.