libstdc++-v3/ChangeLog

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