libstdc++-v3/ChangeLog

   1 2018-01-25  Release Manager
   2
   3         * GCC 7.3.0 released.
   4
   5 2018-01-19  Jonathan Wakely  <jwakely@redhat.com>
   6
   7         Backport from mainline
   8         2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
   9
  10         PR libstdc++/83834
  11         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
  12         pattern with exact match for std::cerr.
  13
  14 2018-01-18  Jonathan Wakely  <jwakely@redhat.com>
  15
  16         Backport from mainline
  17         2017-10-23  Jonathan Wakely  <jwakely@redhat.com>
  18
  19         * doc/xml/manual/intro.xml: Include new section.
  20         * doc/xml/manual/status_cxxis29124.xml: New section on IS 29124
  21         status.
  22         * doc/html/*: Regenerate.
  23
  24         Backport from mainline
  25         2017-10-19  Jonathan Wakely  <jwakely@redhat.com>
  26
  27         * doc/xml/manual/status_cxx2017.xml: Update references to C++17
  28         section numbers.
  29
  30 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
  31
  32         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
  33
  34 2018-01-13  Jonathan Wakely  <jwakely@redhat.com>
  35
  36         * python/libstdcxx/v6/printers.py (register_type_printers): Remove
  37         printer for experimental::any. Fix printers for experimental::optional
  38         and experimental::basic_string_view.
  39
  40         Backport from mainline
  41         2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
  42
  43         PR libstdc++/83626
  44         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
  45         unnecessary symlink_status call.
  46         (remove_all(const path&, error_code&)): Use filesystem::remove.
  47
  48 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
  49
  50         Backport from mainline
  51         2017-10-19  Jonathan Wakely  <jwakely@redhat.com>
  52
  53         * testsuite/experimental/filesystem/iterators/
  54         recursive_directory_iterator.cc: Ensure that error_code arguments are
  55         cleared when required.
  56         * testsuite/experimental/filesystem/operations/create_directory.cc:
  57         Remove redundant check.
  58         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
  59         Ensure that error_code argument is cleared when required.
  60
  61         Backport from mainline
  62         2017-12-27  Jonathan Wakely  <jwakely@redhat.com>
  63
  64         PR libstdc++/83600
  65         * include/bits/regex.h (match_results::end()): Return valid iterator
  66         when not ready.
  67         * testsuite/28_regex/match_results/ctors/char/default.cc: Check that
  68         unready objects are empty and have equal begin and end iterators.
  69         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
  70
  71         Backport from mainline
  72         2017-12-27  Jonathan Wakely  <jwakely@redhat.com>
  73
  74         PR libstdc++/83598
  75         * include/bits/regex.h (basic_regex): Don't modify flags passed to
  76         constructors.
  77         * testsuite/28_regex/basic_regex/ctors/83598.cc: New test.
  78
  79         Backport from mainline
  80         2017-12-14  Jonathan Wakely  <jwakely@redhat.com>
  81
  82         PR libstdc++/83279
  83         * src/filesystem/std-ops.cc (do_copy_file): Handle sendfile not
  84         copying entire file.
  85
  86         Backport from mainline
  87         2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
  88
  89         * include/experimental/fs_ops.h (exists(const path&, error_code&))):
  90         Only check status_known once.
  91
  92         Backport from mainline
  93         2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
  94
  95         PR libstdc++/83626
  96         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
  97         report an error for ENOENT.
  98         (remove_all(const path&)): Fix type of result variable.
  99         (remove_all(const path&, error_code&)): Use non-throwing increment
 100         for directory iterator. Call POSIX remove directly to avoid redundant
 101         calls to symlink_status. Do not report errors for ENOENT.
 102         * testsuite/experimental/filesystem/operations/remove_all.cc: Test
 103         throwing overload.
 104
 105         Backport from mainline
 106         2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
 107
 108         PR libstdc++/83626
 109         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
 110         redundant call to ec.clear().
 111         (remove_all(const path&, error_code&))): Do not return an error for
 112         non-existent paths.
 113         * testsuite/experimental/filesystem/operations/remove.cc: New test.
 114         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
 115         expected results for non-existent paths.
 116
 117         Backport from mainline
 118         2017-10-25  Jonathan Wakely  <jwakely@redhat.com>
 119
 120         PR libstdc++/79283
 121         * src/filesystem/ops.cc (read_symlink): Handle st_size being zero.
 122
 123 2018-01-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
 124
 125         Backport from mainline
 126         2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
 127
 128         Protect optional's deduction guide with the feature macro
 129         * include/std/optional: Use the feature macro.
 130
 131 2017-12-28  François Dumont  <fdumont@gcc.gnu.org>
 132
 133         Backport from mainline
 134         2017-12-20  François Dumont  <fdumont@gcc.gnu.org>
 135
 136         PR libstdc++/82522
 137         * include/debug/map.h (map::insert(value_type&&))
 138         (map::insert(const_iterator, value_type&&)): Add overload for rvalues.
 139         * include/debug/multimap.h (multimap::insert(value_type&&))
 140         (multimap::insert(const_iterator, value_type&&)): Likewise.
 141         * include/debug/unordered_map (unordered_map::insert(value_type&&))
 142         (unordered_map::insert(const_iterator, value_type&&))
 143         (unordered_multimap::insert(value_type&&))
 144         (unordered_multimap::insert(const_iterator, value_type&&)): Likewise.
 145         * testsuite/23_containers/map/modifiers/insert/dr2354.cc (test02): New.
 146         * testsuite/23_containers/multimap/modifiers/insert/dr2354.cc (test02):
 147         New.
 148         * testsuite/23_containers/unordered_map/insert/dr2354.cc (test02): New.
 149         * testsuite/23_containers/unordered_multimap/insert/dr2354.cc (test02):
 150         New.
 151
 152 2017-12-14  Jonathan Wakely  <jwakely@redhat.com>
 153
 154         PR libstdc++/83427
 155         * include/bits/refwrap.h (_Weak_result_type_impl)
 156         (_Reference_wrapper_base): Deduce noexcept for function types.
 157         * testsuite/20_util/bind/83427.cc: New test.
 158         * testsuite/20_util/reference_wrapper/83427.cc: New test.
 159
 160         PR libstdc++/59568
 161         * include/std/complex (operator>>): Only use putback if a character
 162         was successfully extracted and only set the value if a number was
 163         successfully extracted.
 164         * testsuite/26_numerics/complex/inserters_extractors/char/59568.cc:
 165         New test.
 166
 167 2017-12-12  Jonathan Wakely  <jwakely@redhat.com>
 168
 169         PR libstdc++/83395
 170         * include/std/type_traits (__is_invocable_impl): Remove partial
 171         specialization for INVOKE<void> and restore is_void<R> check in
 172         primary template.
 173         (__is_nt_invocable_impl): Likewise.
 174         * testsuite/20_util/is_invocable/83395.cc: New test.
 175         * testsuite/20_util/is_nothrow_invocable/83395.cc: New test.
 176
 177 2017-12-01  Jonathan Wakely  <jwakely@redhat.com>
 178
 179         Backport from mainline
 180         2017-10-13  Jonathan Wakely  <jwakely@redhat.com>
 181
 182         PR libstdc++/82522
 183         * doc/xml/manual/intro.xml: Document LWG 2354 changes.
 184         * include/bits/stl_map.h (map::insert(value_type&&))
 185         (map::insert(const_iterator, value_type&&)): Add overload for rvalues.
 186         * include/bits/stl_multimap.h (multimap::insert(value_type&&))
 187         (multimap::insert(const_iterator, value_type&&)): Likewise.
 188         * include/bits/unordered_map.h (unordered_map::insert(value_type&&))
 189         (unordered_map::insert(const_iterator, value_type&&))
 190         (unordered_multimap::insert(value_type&&))
 191         (unordered_multimap::insert(const_iterator, value_type&&)): Likewise.
 192         * testsuite/23_containers/map/modifiers/insert/dr2354.cc: New test.
 193         * testsuite/23_containers/multimap/modifiers/insert/dr2354.cc: New
 194         test.
 195         * testsuite/23_containers/unordered_map/insert/dr2354.cc: New test.
 196         * testsuite/23_containers/unordered_multimap/insert/dr2354.cc: New
 197         test.
 198
 199         Backport from mainline
 200         2017-11-23  Jonathan Wakely  <jwakely@redhat.com>
 201
 202         PR libstdc++/83134
 203         * include/std/type_traits (__not_): Explicitly convert to bool.
 204         * testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error.
 205         * testsuite/20_util/logical_traits/83134.cc: New test.
 206         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
 207         dg-error.
 208         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
 209         Likewise.
 210
 211         Backport from mainline
 212         2017-12-01  Jonathan Wakely  <jwakely@redhat.com>
 213
 214         * include/std/type_traits (integral_constant): Make member functions
 215         noexcept (LWG 2346).
 216         * include/std/utility (integer_sequence): Likewise.
 217
 218         Backport from mainline
 219         2017-11-16  Jonathan Wakely  <jwakely@redhat.com>
 220
 221         * include/std/future (shared_future): Add noexcept to copy constructor
 222         and copy-assignment operator (LWG 2799).
 223
 224         Backport from mainline
 225         2017-11-15  Jonathan Wakely  <jwakely@redhat.com>
 226
 227         * include/bits/range_access.h (size, empty, data): Add conditional
 228         noexcept to generic overloads.
 229
 230         Backport from mainline
 231         2017-10-24  Jonathan Wakely  <jwakely@redhat.com>
 232
 233         PR libstdc++/82685
 234         * include/experimental/string_view (operator""sv): Add noexcept.
 235         * include/std/string_view (operator""sv): Likewise.
 236
 237         Backport from mainline
 238         2017-11-30  Jonathan Wakely  <jwakely@redhat.com>
 239
 240         PR libstdc++/83226
 241         * include/bits/node_handle.h (_Node_handle::__pointer): Avoid forming
 242         pointer-to-reference types.
 243         * testsuite/23_containers/map/modifiers/insert/83226.cc: New test.
 244
 245         Backport from mainline
 246         2017-11-14  Jonathan Wakely  <jwakely@redhat.com>
 247
 248         * include/bits/locale_conv.h (wbuffer_convert::_M_conv_get): Fix typo.
 249         * testsuite/22_locale/conversions/buffer/3.cc: New test.
 250
 251         Backport from mainline
 252         2017-11-03  Jonathan Wakely  <jwakely@redhat.com>
 253
 254         * include/bits/node_handle.h (_Node_insert_return::get): Remove, as
 255         per P0508R0.
 256
 257 2017-10-25  Jonathan Wakely  <jwakely@redhat.com>
 258
 259         * doc/xml/manual/status_cxx1998.xml: Correct statement about
 260         what the doc covers.
 261         * doc/xml/manual/status_cxx2011.xml: Likewise.
 262         * doc/xml/manual/status_cxx2014.xml: Likewise.
 263         * doc/xml/manual/status_cxx2017.xml: Update C++17 status, and
 264         information on feature-test macros.
 265         * doc/xml/manual/status_cxxtr1.xml: Correct statement about what
 266         the doc covers.
 267         * doc/xml/manual/status_cxxtr24733.xml: Likewise.
 268         * doc/html/*: Regenerate.
 269
 270 2017-10-23  Jonathan Wakely  <jwakely@redhat.com>
 271
 272         Backport from mainline
 273         2017-07-18  Jonathan Wakely  <jwakely@redhat.com>
 274
 275         PR libstdc++/81395
 276         * include/bits/fstream.tcc (basic_filebuf::xsgetn): Don't set buffer
 277         pointers for write mode after reading.
 278         * testsuite/27_io/basic_filebuf/sgetn/char/81395.cc: New.
 279
 280 2017-10-21  Jonathan Wakely  <jwakely@redhat.com>
 281
 282         * testsuite/experimental/filesystem/path/itr/traversal.cc: Do not
 283         increment past-the-end iterators.
 284
 285 2017-10-20  Jonathan Wakely  <jwakely@redhat.com>
 286
 287         * include/std/chrono (__cpp_lib_chrono): Update macro value to
 288         indicate support for P0505R0.
 289         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Check
 290         for updated macro.
 291
 292         * include/c_global/cstddef: Define __cpp_lib_byte feature-test macro.
 293         * testsuite/18_support/byte/requirements.cc: Check macro.
 294
 295         Backport from mainline
 296         2017-10-13  Jonathan Wakely  <jwakely@redhat.com>
 297
 298         PR libstdc++/82481
 299         * include/std/mutex (call_once): Suppress clang-tidy warnings about
 300         dangling references.
 301
 302         Backport from mainline
 303         2017-09-12  Jonathan Wakely  <jwakely@redhat.com>
 304
 305         PR libstdc++/79433
 306         * doc/xml/manual/status_cxx2017.xml: Update feature-test macros.
 307         * doc/html/*: Regenerate.
 308         * include/Makefile.am: Remove <bits/c++17_warning.h>.
 309         * include/Makefile.in: Regenerate.
 310         * include/bits/c++17_warning.h: Remove.
 311         * include/bits/string_view.tcc: Do not include <bits/c++17_warning.h>
 312         for pre-C++17 modes.
 313         * include/std/any: Likewise.
 314         (__cpp_lib_any): Define.
 315         * include/std/mutex (__cpp_lib_scoped_lock): Adjust value as per new
 316         SD-6 draft.
 317         * include/std/numeric (__cpp_lib_gcd_lcm): Define as per new SD-6
 318         draft.
 319         * include/std/optional: Do not include <bits/c++17_warning.h>.
 320         (__cpp_lib_optional): Define.
 321         * include/std/shared_mutex: Do not include <bits/c++14_warning.h>.
 322         * include/std/string_view: Do not include <bits/c++17_warning.h>.
 323         (__cpp_lib_string_view): Define.
 324         * include/std/variant: Do not include <bits/c++17_warning.h>.
 325         (__cpp_lib_variant): Define.
 326         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error line
 327         numbers.
 328         * testsuite/26_numerics/gcd/1.cc: Test for __cpp_lib_gcd_lcm.
 329         * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line
 330         numbers.
 331         * testsuite/26_numerics/lcm/1.cc: Test for __cpp_lib_gcd_lcm.
 332         * testsuite/26_numerics/lcm/lcm_neg.cc: Adjust dg-error line
 333         numbers.
 334         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Adjust
 335         expected value of __cpp_lib_scoped_lock.
 336
 337         Backport from mainline
 338         2017-10-19  Jonathan Wakely  <jwakely@redhat.com>
 339
 340         * include/experimental/bits/fs_path.h (path::iterator++(int))
 341         (path::iterator--(int)): Fix for paths with only one component.
 342         * testsuite/experimental/filesystem/path/itr/traversal.cc: Test
 343         post-increment and post-decrement.
 344
 345 2017-09-21  Jonathan Wakely  <jwakely@redhat.com>
 346
 347         * testsuite/25_algorithms/clamp/1.cc: Fix order of arguments and
 348         expected results when using predicate defining reverse order.
 349         * testsuite/25_algorithms/clamp/constexpr.cc: Likewise.
 350
 351 2017-09-20  Jonathan Wakely  <jwakely@redhat.com>
 352
 353         Backport from mainline
 354         2017-06-14  Jonathan Wakely  <jwakely@redhat.com>
 355
 356         * doc/xml/manual/test.xml: Correct instructions on running tests.
 357         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Adjust to pass when
 358         -D_GLIBCXX_USE_CXX11_ABI=0 added to RUNTESTFLAGS.
 359         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
 360         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
 361         exceptions_failbit.cc: Likewise.
 362         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
 363         exceptions_failbit.cc: Likewise.
 364         * testsuite/27_io/basic_istream/extractors_other/char/
 365         exceptions_null.cc: Likewise.
 366         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
 367         exceptions_null.cc: Likewise.
 368         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
 369         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
 370         * testsuite/27_io/basic_ostream/inserters_other/char/
 371         exceptions_null.cc: Likewise.
 372         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
 373         exceptions_null.cc: Likewise.
 374         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
 375
 376         PR libstdc++/79162
 377         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
 378         (basic_string::_If_sv): Remove from the overload set when the
 379         argument is derived from basic_string.
 380
 381         PR libstdc++/79162
 382         * include/bits/basic_string.h (basic_string::_If_sv): Remove from the
 383         overload set when the argument is derived from basic_string.
 384         * testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc: New
 385         test.
 386         * testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc:
 387         New test.
 388
 389         * testsuite/24_iterators/range_access_cpp17.cc: Fix order of dg-do
 390         and dg-options directives. Fix invalid test.
 391
 392         Backport from mainline
 393         2017-09-20  Jonathan Wakely  <jwakely@redhat.com>
 394
 395         PR libstdc++/82262
 396         * include/std/optional (__optional_hash_call_base): Add template
 397         parameter for remove_const_t<_Tp> and use it consistently.
 398         * testsuite/20_util/optional/hash.cc: Test optional<const T>.
 399
 400         Backport from mainline
 401         2017-09-19  Jonathan Wakely  <jwakely@redhat.com>
 402
 403         PR libstdc++/82254
 404         * include/std/type_traits (__is_invocable): Add partial specialization
 405         for INVOKE<void> case and remove is_void<R> check from partial
 406         specialization for INVOKE<R> case.
 407         (__is_nt_invocable_impl): New helper for is_nothrow_invocable_r.
 408         (is_nothrow_invocable_r): Use __is_nt_invocable_impl.
 409         * testsuite/20_util/is_nothrow_invocable/value.cc: Add tests for
 410         conversions that can throw or fail to convert. Use static assert
 411         strings to explain negative results.
 412         * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Use
 413         is_nothrow_constructible in is_nt_invocable_conv.
 414
 415 2017-09-13  Jonathan Wakely  <jwakely@redhat.com>
 416
 417         Backport from mainline
 418         2017-09-04  Daniel Kruegler  <daniel.kruegler@gmail.com>
 419
 420         PR libstdc++/79162
 421         Implement LWG 2946, LWG 2758's resolution missed further corrections
 422         * include/bits/basic_string.h (basic_string::compare): Add missing
 423         required noexcept specifications.
 424         (basic_string): Introduce internal _S_to_string_view and __sv_wrapper
 425         for implicit string_view conversion.
 426         (basic_string::basic_string): Fix explicit string_view conversion by
 427         implicit conversion using _S_to_string_view and __sv_wrapper.
 428         (basic_string): Introduce internal basic_string(__sv_wrapper, Alloc)
 429         constructor.
 430         (basic_string): Fix operator=(T) template by operator=(const T&)
 431         template for uncopyable types (PR 79162).
 432         (basic_string::operator+=, basic_string::append, basic_string::assign)
 433         (basic_string::insert, basic_string::replace, basic_string::find)
 434         (basic_string::rfind, basic_string::find_first_of)
 435         (basic_string::find_last_of, basic_string::find_first_not_of)
 436         (basic_string::find_last_not_of, basic_string::compare): Replace
 437         __sv_type argument by template const T& (LWG 2946) and correct
 438         documentation describing __sv_type argument.
 439         (basic_string::find, basic_string::rfind, basic_string::find_first_of)
 440         (basic_string::find_last_of, basic_string::find_first_not_of)
 441         (basic_string::find_last_not_of, basic_string::compare): Replace
 442         unconditional noexcept specification by conditional noexcept
 443         specification to partially balance the removal of noexcept by LWG 2946.
 444         * testsuite/21_strings/basic_string/79162.cc: New.
 445         * testsuite/21_strings/basic_string/lwg2946.cc: New.
 446
 447 2017-09-13  Jonathan Wakely  <jwakely@redhat.com>
 448
 449         PR libstdc++/81468
 450         * include/std/chrono (time_point(const time_point<_Dur2>&)): Add
 451         missing constraint from LWG DR 1177.
 452         * testsuite/20_util/duration/cons/dr1177.cc: New.
 453         * testsuite/20_util/time_point/cons/81468.cc: New.
 454         * testsuite/20_util/duration/literals/range.cc: Update dg-error line.
 455
 456         * doc/doxygen/mainpage.html: Fix broken URLs.
 457
 458         PR libstdc++/81835
 459         * doc/xml/manual/extensions.xml: Replace unstable URL.
 460         * doc/html/manual/ext_demangling.html: Regenerate.
 461         * libsupc++/cxxabi.h (__cxa_demangle): Fix broken URL.
 462
 463 2017-09-12  Jonathan Wakely  <jwakely@redhat.com>
 464
 465         Backport from mainline
 466         2017-09-12  Jonathan Wakely  <jwakely@redhat.com>
 467
 468         PR libstdc++/70483
 469         * include/experimental/bits/string_view.tcc (basic_string_view::find)
 470         (basic_string_view::rfind, basic_string_view::find_first_of)
 471         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
 472         (basic_string_view::find_last_not_of): Add constexpr specifier.
 473         * include/experimental/string_view (basic_string_view::remove_prefix)
 474         (basic_string_view::remove_suffix, basic_string_view::swap)
 475         (basic_string_view::compare, basic_string_view::find)
 476         (basic_string_view::rfind, basic_string_view::find_first_of)
 477         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
 478         (basic_string_view::find_last_not_of, operator==, operator!=)
 479         (operator<, operator>, operator<=, operator>=): Likewise.
 480         * testsuite/experimental/string_view/operations/compare/char/70483.cc:
 481         New.
 482
 483         Backport from mainline
 484         2017-09-11  Jonathan Wakely  <jwakely@redhat.com>
 485
 486         PR libstdc++/70483
 487         * include/bits/string_view.tcc (basic_string_view::find)
 488         (basic_string_view::rfind, basic_string_view::find_first_of)
 489         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
 490         (basic_string_view::find_last_not_of): Add constexpr specifier.
 491         * include/std/string_view (basic_string_view::operator=)
 492         (basic_string_view::rbegin, basic_string_view::rend)
 493         (basic_string_view::crbegin, basic_string_view::crend)
 494         (basic_string_view::remove_prefix, basic_string_view::remove_suffix)
 495         (basic_string_view::swap, basic_string_view::compare)
 496         (basic_string_view::find, basic_string_view::rfind)
 497         (basic_string_view::find_first_of, basic_string_view::find_last_of)
 498         (basic_string_view::find_first_not_of)
 499         (basic_string_view::find_last_not_of, basic_string_view::_M_check)
 500         (basic_string_view::_M_limit, operator==, operator!=, operator<)
 501         (operator>, operator<=, operator>=): Likewise.
 502         * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
 503         char/1.cc: Repeat tests in constexpr context.
 504         * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
 505         wchar_t/1.cc: Likewise.
 506         * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
 507         char/1.cc: Likewise.
 508         * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
 509         wchar_t/1.cc: Likewise.
 510         * testsuite/21_strings/basic_string_view/operations/find/char/1.cc:
 511         Likewise.
 512         * testsuite/21_strings/basic_string_view/operations/find/char/2.cc:
 513         Likewise.
 514         * testsuite/21_strings/basic_string_view/operations/find/char/3.cc:
 515         Likewise.
 516         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/1.cc:
 517         Likewise.
 518         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/2.cc:
 519         Likewise.
 520         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/3.cc:
 521         Likewise.
 522         * testsuite/21_strings/basic_string_view/operators/char/2.cc:
 523         Likewise.
 524         * testsuite/21_strings/basic_string_view/operators/wchar_t/2.cc:
 525         Likewise.
 526         * testsuite/21_strings/basic_string_view/range_access/char/1.cc: Test
 527         cbegin, cend, rbegin, rend, crbegin and crend.
 528         * testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc:
 529         Likewise.
 530         * testsuite/21_strings/basic_string_view/operations/compare/char/1.cc:
 531         Remove trailing whitespace.
 532         * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
 533         1.cc: Likewise.
 534         * testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
 535         New.
 536         * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
 537         New.
 538         * testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
 539         New.
 540         * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
 541         2.cc: New.
 542
 543         Backport from mainline
 544         2017-06-12  Pedro Alves  <palves@redhat.com>
 545
 546         * doc/xml/manual/status_cxx2017.xml: Update C++17 constexpr
 547         char_traits status.
 548         * doc/html/*: Regenerate.
 549
 550         * include/bits/char_traits.h (_GLIBCXX_ALWAYS_INLINE): Define if
 551         not already defined.
 552         (__cpp_lib_constexpr_char_traits): Uncomment.
 553         (__constant_string_p, __constant_char_array_p): New.
 554         (std::char_traits<char>, std::char_traits<wchar_t>): Add
 555         _GLIBCXX17_CONSTEXPR on compare, length and find and use
 556         __constant_string_p, __constant_char_array_p and
 557         __builtin_constant_p to defer to __gnu_cxx::char_traits at compile
 558         time.
 559
 560         * testsuite/21_strings/char_traits/requirements/
 561         constexpr_functions_c++17.cc: Uncomment
 562         __cpp_lib_constexpr_char_traits tests.  Uncomment
 563         test_compare<char>, test_length<char>, test_find<char>,
 564         test_compare<wchar_t>, test_length<wchar_t> and test_find<wchar_t>
 565         static_assert tests.
 566
 567 2017-09-04  Jonathan Wakely  <jwakely@redhat.com>
 568
 569         Backport from mainline
 570         2017-08-31  Jonathan Wakely  <jwakely@redhat.com>
 571
 572         PR c++/82039
 573         * include/ext/new_allocator.h (__gnu_cxx::new_allocator::allocate):
 574         Adjust null pointer constant to avoid warning.
 575
 576         Backport from mainline
 577         2017-08-21  Jonathan Wakely  <jwakely@redhat.com>
 578
 579         PR libstdc++/81912
 580         * include/bits/stl_iterator_base_types.h (__iterator_category): Add
 581         constexpr for C++11 and later.
 582         * testsuite/24_iterators/container_access.cc: Add target selector.
 583         * testsuite/24_iterators/range_access.cc: Fix clause number in
 584         comment.
 585         * testsuite/24_iterators/range_access_cpp14.cc: Likewise.
 586         * testsuite/24_iterators/range_access_cpp17.cc: New.
 587
 588         Backport from mainline
 589         2017-08-09  Jonathan Wakely  <jwakely@redhat.com>
 590
 591         * include/std/type_traits (_GLIBCXX_NO_BUILTIN_HAS_UNIQ_OBJ_REP):
 592         Replace with _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP and use
 593         __is_identifier to set it.
 594
 595         Backport from mainline
 596         2017-08-09  Katsuhiko Nishimra  <ktns.87@gmail.com>
 597
 598         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Use
 599         __is_identifier instead of __has_builtin.
 600
 601         Backport from mainline
 602         2017-08-18  Jonathan Wakely  <jwakely@redhat.com>
 603
 604         PR libstdc++/81891
 605         * include/bits/hashtable.h (_Hashtable(_InputIterator, _InputIterator,
 606         size_type, const _H1&, const _H2&, const _Hash&, const _Equal&,
 607         const _ExtractKey&, const allocator_type&)): Let destructor do clean
 608         up if an exception is thrown.
 609         * testsuite/23_containers/unordered_map/cons/81891.cc: New.
 610
 611         Backport from mainline
 612         2017-07-31  Marek Polacek  <polacek@redhat.com>
 613
 614         PR libstdc++/81599
 615         * include/bits/stl_stack.h: Fix typo.
 616
 617         Backport from mainline
 618         2017-07-10  Jonathan Wakely  <jwakely@redhat.com>
 619
 620         PR libstdc++/81338
 621         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
 622         Declare basic_stringbuf to be a friend.
 623         * include/bits/sstream.tcc (basic_stringbuf::overflow)
 624         [_GLIBCXX_USE_CXX11_ABI]: Use unused capacity before reallocating.
 625         * include/std/sstream (basic_stringbuf::__xfer_bufptrs): Update string
 626         length to buffer length.
 627         * testsuite/27_io/basic_stringstream/assign/81338.cc: New.
 628
 629 2017-08-20  John David Anglin  <danglin@gcc.gnu.org>
 630
 631         PR testsuite/81056
 632         * testsuite/17_intro/names.cc: Undef 'd' and 'r' on __hpux__.
 633
 634 2017-08-14  Jonathan Wakely  <jwakely@redhat.com>
 635
 636         Backport from mainline
 637         2017-08-09  Jonathan Wakely  <jwakely@redhat.com>
 638
 639         PR libstdc++/79820
 640         PR libstdc++/81751
 641         * config/io/basic_file_stdio.cc (sys_open(FILE*, ios_base::openmode)):
 642         Call fflush on the stream instead of calling sync() while _M_cfile is
 643         null. Restore original value of errno.
 644         * testsuite/ext/stdio_filebuf/char/79820.cc: New.
 645         * testsuite/ext/stdio_filebuf/char/81751.cc: New.
 646
 647         Backport from mainline
 648         2017-07-25  Jonathan Wakely  <jwakely@redhat.com>
 649
 650         PR libstdc++/53984
 651         * include/bits/basic_ios.h (basic_ios::_M_setstate): Adjust comment.
 652         * include/bits/istream.tcc (basic_istream::sentry): Handle exceptions
 653         during construction.
 654         * include/std/istream: Adjust comments for formatted input functions
 655         and unformatted input functions.
 656         * testsuite/27_io/basic_fstream/53984.cc: New.
 657         * testsuite/27_io/basic_istream/sentry/char/53984.cc: New.
 658
 659 2017-08-14  Release Manager
 660
 661         * GCC 7.2.0 released.
 662
 663 2017-07-26  Richard Biener  <rguenther@suse.de>
 664
 665         Backport from mainline
 666         2017-06-02  Richard Biener  <rguenther@suse.de>
 667                 Markus Eisenmann  <meisenmann.lba@fh-salzburg.ac.at>
 668
 669         PR libstdc++/80721
 670         * libsupc++/eh_alloc.cc (pool::free): Keep list properly
 671         sorted and add missing freelist item merging cases.
 672
 673 2017-07-25  Jonathan Wakely  <jwakely@redhat.com>
 674
 675         Backport from mainline
 676         2017-06-09  Jonathan Wakely  <jwakely@redhat.com>
 677
 678         * doc/xml/manual/intro.xml: Document LWG 2802, 2873 and 2942 changes.
 679         * include/bits/shared_ptr.h (shared_ptr): Use rvalues for deleters
 680         (LWG 2802).
 681         * include/bits/shared_ptr_base.h (_Sp_ebo_helper, _Sp_counted_deleter
 682         (_Sp_counted_deleter::_Impl, __shared_count, __shared_ptr): Likewise.
 683         * testsuite/20_util/shared_ptr/cons/lwg2802.cc: New.
 684
 685         Backport from mainline
 686         2017-06-05  Jonathan Wakely  <jwakely@redhat.com>
 687
 688         * include/bits/shared_ptr_base.h (__shared_ptr::owner_before)
 689         (__weak_ptr::owner_before, _Sp_owner_less::operator()): Add noexcept
 690         specifiers as per LWG 2873 and LWG 2942.
 691         * testsuite/20_util/owner_less/noexcept.cc: New.
 692         * testsuite/20_util/shared_ptr/observers/owner_before.cc: Test
 693         noexcept guarantees.
 694         * testsuite/20_util/weak_ptr/observers/owner_before.cc: Likewise.
 695
 696         Backport from mainline
 697         2017-04-28  Jonathan Wakely  <jwakely@redhat.com>
 698
 699         PR libstdc++/80553
 700         * include/bits/stl_construct.h (_Destroy, _Destroy_n): Add static
 701         assertions to ensure type is destructible.
 702         (destroy_at, destroy, destroy_n): Move from stl_uninitialized.h.
 703         * include/bits/stl_uninitialized.h (destroy_at, destroy, destroy_n):
 704         Move to stl_construct.h.
 705         * testsuite/20_util/specialized_algorithms/memory_management_tools/
 706         destroy_neg.cc: New test.
 707         * testsuite/23_containers/vector/cons/destructible_neg.cc: New test.
 708
 709         Backport from mainline
 710         2017-05-16  Jonathan Wakely  <jwakely@redhat.com>
 711
 712         * configure: Regenerate.
 713         * doc/xml/manual/status_cxx2017.xml: Update status table.
 714         * doc/html/*: Regenerate.
 715         * include/Makefile.am: Add new header.
 716         * include/Makefile.in: Regenerate.
 717         * include/experimental/source_location: New header implementing N4519.
 718         * testsuite/experimental/source_location/1.cc: New test.
 719
 720         Backport from mainline
 721         2017-07-06  Jonathan Wakely  <jwakely@redhat.com>
 722
 723         * include/bits/uses_allocator.h (__use_alloc(const _Alloc&&)): Add
 724         deleted overload to prevent dangling references to rvalues.
 725         * include/experimental/memory_resource
 726         (polymorphic_allocator::construct): Do not call __use_alloc with
 727         rvalue arguments.
 728
 729         Backport from mainline
 730         2017-06-08  Jonathan Wakely  <jwakely@redhat.com>
 731
 732         PR libstdc++/81017
 733         * include/bits/std_function.h (function::function(function&&))
 734         (function::operator=(funtion&&)): Add noexcept.
 735         * testsuite/20_util/function/assign/move.cc: Check for noexcept.
 736         * testsuite/20_util/function/cons/move.cc: Likewise.
 737
 738         Backport from mainline
 739         2017-07-15  Jonathan Wakely  <jwakely@redhat.com>
 740
 741         * include/std/mutex (scoped_lock): Reorder std::adopt_lock_t parameter
 742         as per P0739R0.
 743         * testsuite/30_threads/scoped_lock/cons/1.cc: Reorder arguments.
 744         * testsuite/30_threads/scoped_lock/cons/deduction.cc: Test deduction
 745         with std::adopt_lock_t.
 746         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Check
 747         feature-test macro.
 748
 749         Backport from mainline
 750         2017-07-14  Jason Merrill  <jason@redhat.com>
 751             Jonathan Wakely  <jwakely@redhat.com>
 752
 753         * include/std/variant (variant::variant(_Tp&&)): Constrain to remove
 754         the constructor for empty variants from the candidate functions
 755         during class template argument deduction.
 756         * testsuite/20_util/variant/deduction.cc: New.
 757
 758         Backport from mainline
 759         2017-06-02  Jonathan Wakely  <jwakely@redhat.com>
 760
 761         PR libstdc++/80939
 762         * include/std/variant (__erased_ctor, __erased_assign, __erased_swap)
 763         (__erased_hash): Remove constexpr specifier and qualify calls to
 764         __ref_cast.
 765         (__erased_dtor): Remove constexpr specifier and use _Destroy.
 766
 767         Backport from mainline
 768         2017-05-20  Tim Shen  <timshen@google.com>
 769
 770         PR libstdc++/80737
 771         * include/std/variant(variant::variant): SFINAE on is_same first.
 772         * testsuite/20_util/variant/any.cc: test case.
 773
 774 2017-07-11  Jonathan Wakely  <jwakely@redhat.com>
 775
 776         Backport from mainline
 777         2017-04-21  Jonathan Wakely  <jwakely@redhat.com>
 778
 779         PR libstdc++/80316
 780         * include/std/future (_State_baseV2::_Setter::operator()): Remove
 781         _S_check calls that are done after the pointer to the shared state is
 782         already dereferenced.
 783         (_State_baseV2::_Setter<_Res, void>): Define specialization for void
 784         as partial specialization so it can be defined within the definition
 785         of _State_baseV2.
 786         (_State_baseV2::__setter): Call _S_check.
 787         (_State_baseV2::__setter(promise<void>*)): Add overload for use by
 788         promise<void>::set_value and promise<void>::set_value_at_thread_exit.
 789         (promise<T>, promise<T&>, promise<void>): Make _State a friend.
 790         (_State_baseV2::_Setter<void, void>): Remove explicit specialization.
 791         (promise<void>::set_value, promise<void>::set_value_at_thread_exit):
 792         Use new __setter overload.
 793         * testsuite/30_threads/promise/members/at_thread_exit2.cc: New test.
 794         * testsuite/30_threads/promise/members/set_exception.cc: Test
 795         promise<T&> and promise<void> specializations.
 796         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
 797         Test for no_state error condition.
 798         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
 799
 800 2017-06-27  Jonathan Wakely  <jwakely@redhat.com>
 801
 802         PR libstdc++/81221
 803         * include/bits/stl_algo.h (sample): Qualify with _GLIBCXX_STD_A not
 804         std.
 805         * testsuite/25_algorithms/sample/81221.cc: New.
 806
 807 2017-06-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
 808
 809         Backport from mainline
 810         2017-06-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
 811
 812         PR libstdc++/80675
 813         PR libstdc++/80940
 814         * include/std/istream:
 815         (__is_convertible_to_basic_istream_test(basic_istream<_Ch, _Up>*)): New.
 816         (__do_is_convertible_to_basic_istream_impl): Likewise.
 817         (__is_convertible_to_basic_istream_impl): Likewise.
 818         (__is_convertible_to_basic_istream): Use the new base.
 819         (__rvalue_istream_type): New.
 820         (operator>>(_Istream&&, _Tp&&)): Use the new helper alias
 821         for the SFINAE check, convert to the helper alias type before
 822         doing the actual extraction.
 823         * include/std/ostream:
 824         (__is_convertible_to_basic_ostream_test(basic_ostream<_Ch, _Up>*)): New.
 825         (__do_is_convertible_to_basic_ostream_impl): Likewise.
 826         (__is_convertible_to_basic_ostream_impl): Likewise.
 827         (__is_convertible_to_basic_ostream): Use the new base.
 828         (__rvalue_ostream_type): New.
 829         (operator<<(_Ostream&&, const _Tp&)): Use the new helper alias
 830         for the SFINAE check, convert to the helper alias type before
 831         doing the actual insertion.
 832         * testsuite/27_io/rvalue_streams-2.cc: Add new tests.
 833
 834 2017-06-21  Uros Bizjak  <ubizjak@gmail.com>
 835
 836         * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
 837
 838 2017-06-21  Jonathan Wakely  <jwakely@redhat.com>
 839
 840         PR libstdc++/81092
 841         * configure: Regenerate.
 842
 843 2017-06-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 844
 845         * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
 846         * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
 847         * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
 848         * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
 849         * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
 850         * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
 851         Likewise.
 852         * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
 853         * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
 854         Likewise.
 855
 856 2017-06-18  H.J. Lu  <hongjiu.lu@intel.com>
 857
 858         PR libstdc++/81092
 859         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
 860
 861 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
 862
 863         PR libstdc++/81092
 864         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
 865
 866 2017-06-16  Jonathan Wakely  <jwakely@redhat.com>
 867
 868         * include/bits/locale_conv.h (wbuffer_convert::sync): Fix condition.
 869         * testsuite/22_locale/conversions/buffer/2.cc: New.
 870
 871         * doc/xml/manual/appendix_contributing.xml: Link to the list of bad
 872         names, and link to the test docs and note higher DejaGnu version
 873         requirement.
 874         * doc/xml/manual/allocator.xml: Fix ViewCVS URLs.
 875         * doc/xml/manual/mt_allocator.xml: Likewise.
 876         * doc/xml/manual/test.xml: Correct instructions on running tests.
 877         * doc/html/*: Regenerate.
 878
 879         PR libstdc++/81092
 880         * acinclude.m4: Bump libtool_VERSION.
 881         * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
 882         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
 883         * config/abi/pre/gnu.ver: Add wstring constructor symbols to new
 884         GLIBCXX_3.4.24 version.
 885         * doc/xml/manual/abi.xml: Document new versions.
 886         * doc/html/*: Regenerate.
 887         * testsuite/21_strings/basic_string/cons/char/8.cc: Use base object
 888         constructors to ensure required symbols are exported.
 889         * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
 890         * testsuite/util/testsuite_abi.cc: Add new version.
 891
 892         * include/bits/locale_conv.h (wbuffer_convert::_M_put): Add missing
 893         return statement.
 894         * testsuite/21_strings/basic_string_view/operations/copy/char/1.cc:
 895         Return void.
 896         * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/1.cc:
 897         Likewise.
 898         * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc: Add
 899         missing return statements.
 900         * testsuite/23_containers/unordered_map/modifiers/insert_or_assign.cc:
 901         Likewise.
 902         * testsuite/27_io/basic_istream/extractors_arithmetic/char/12.cc:
 903         Return void.
 904         * testsuite/special_functions/14_expint/pr68397.cc: Likewise.
 905
 906 2017-06-07  Jonathan Wakely  <jwakely@redhat.com>
 907
 908         PR libstdc++/81002
 909         * include/bits/regex_compiler.h (__compile_nfa): Add template argument
 910         list to specify traits type.
 911         * testsuite/28_regex/basic_regex/ctors/basic/iter.cc: New.
 912
 913 2017-05-19  Jonathan Wakely  <jwakely@redhat.com>
 914
 915         PR libstdc++/80796
 916         * include/bits/stl_algo.h (search): Add new overload for C++17.
 917         * testsuite/25_algorithms/search/searcher.cc: New.
 918
 919 2017-05-18  Jonathan Wakely  <jwakely@redhat.com>
 920
 921         PR libstdc++/80478
 922         * include/std/functional (_Mem_fn_traits_base): Add specializations
 923         for noexcept member function types.
 924         * testsuite/20_util/function_objects/mem_fn/80478.cc: New test.
 925
 926 2017-05-18  Jonathan Wakely  <jwakely@redhat.com>
 927
 928         * doc/xml/manual/policy_data_structures.xml: Fix typo.
 929         * doc/xml/manual/test_policy_data_structures.xml: Likewise.
 930         * doc/html/*: Regenerate.
 931
 932         * doc/xml/manual/abi.xml: Document latest library versions.
 933         * doc/xml/manual/build_hacking.xml: Document requirement to update
 934         abi.xml when bumping library versions.
 935         * doc/html/*: Regenerate.
 936
 937 2017-05-15  Jonathan Wakely  <jwakely@redhat.com>
 938
 939         PR libstdc++/80761
 940         * include/bits/node_handle.h (_Node_insert_return): Reorder members.
 941         (tuple_size, tuple_element): Remove partial specializations.
 942         * include/bits/stl_tree.h (_Rb_tree::insert_return_type): Use
 943         const_iterator for std::set.
 944         * testsuite/23_containers/map/modifiers/extract.cc: New.
 945         * testsuite/23_containers/set/modifiers/extract.cc: New.
 946         * testsuite/23_containers/unordered_map/modifiers/extract.cc: New.
 947         * testsuite/23_containers/unordered_set/modifiers/extract.cc: New.
 948
 949 2017-05-12  Jonathan Wakely  <jwakely@redhat.com>
 950
 951         PR libstdc++/78939
 952         * include/std/utility (tuple_size<cv T>) [__cplusplus > 201402L]:
 953         Only define partial specializations when tuple_size<T>::value is
 954         valid.
 955         * testsuite/20_util/tuple/78939.cc: New.
 956
 957 2017-05-02  Release Manager
 958
 959         * GCC 7.1.0 released.
 960
 961 2017-04-19  Jonathan Wakely  <jwakely@redhat.com>
 962
 963         * doc/xml/manual/abi.xml: Rephrase one of the references to the
 964         Itanium C++ ABI.
 965         * doc/xml/manual/test.xml: Document DejaGnu 1.5.3 requirement.
 966         * doc/html/*: Regenerate.
 967
 968         * libsupc++/new: Update comment on #endif directive.
 969
 970         PR libstdc++/80448
 971         * include/experimental/bits/fs_dir.h (directory_iterator)
 972         (recursive_directory_iterator): Remove noexcept from defaulted
 973         constructors.
 974
 975         PR libstdc++/80446
 976         * include/std/type_traits (is_aggregate): Change __has_builtin checks.
 977         * libsupc++/new (launder): Likewise.
 978
 979 2017-04-18  Jonathan Wakely  <jwakely@redhat.com>
 980
 981         * include/std/functional (default_searcher, __boyer_moore_array_base)
 982         (__is_std_equal_to, __boyer_moore_base_t, boyer_moore_searcher)
 983         (boyer_moore_horspool_searcher): Remove redundant namespace
 984         qualification.
 985         (default_searcher::operator()): Construct return value early and
 986         advance second member in-place.
 987         (boyer_moore_horspool_searcher::operator()): Increment random access
 988         iterator directly instead of using std::next.
 989         (boyer_moore_searcher::operator()): Fix return value.
 990         * testsuite/20_util/function_objects/searchers.cc: Check both parts
 991         of return values.
 992
 993 2017-04-12  Gerald Pfeifer  <gerald@pfeifer.com>
 994
 995         * doc/xml/faq.xml: Update reference link to C++ ABI for Itanium.
 996         * doc/xml/manual/abi.xml. Ditto (thrice).
 997
 998 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 999
1000         * doc/xml/manual/status_cxx2017.xml: Remove duplicate table entry.
1001         * doc/html/*: Regenerate.
1002
1003         * testsuite/20_util/reference_wrapper/invoke.cc: Uncomment tests
1004         that no longer fail.
1005
1006         * include/bits/ios_base.h: Correct comment.
1007         * testsuite/util/testsuite_hooks.h: Likewise.
1008
1009         * doc/xml/manual/status_cxx2017.xml: Update C++17 status table.
1010         * doc/xml/manual/appendix_contributing.xml (contrib.organization): Add
1011         directories for debug, parallel and profile headers.
1012         * doc/html/*: Regenerate.
1013
1014         * include/bits/char_traits.h (__gnu_cxx::char_traits): Add
1015         _GLIBCXX14_CONSTEXPR on assign, compare, find, and length.
1016         (std::char_traits<char>, std::char_traits<wchar_t>): Add
1017         _GLIBCXX17_CONSTEXPR on assign.
1018         (std::char_traits<char16_t>, std::char_traits<char32_t>): Add
1019         _GLIBCXX17_CONSTEXPR on assign, compare, find, and length.
1020         * testsuite/21_strings/char_traits/requirements/
1021         constexpr_functions_c++17.cc: New test.
1022
1023 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
1024
1025         PR libstdc++/79141
1026         * include/bits/stl_pair.h (__nonesuch_no_braces): New.
1027         (operator=(typename conditional<
1028         __and_<is_copy_assignable<_T1>,
1029         is_copy_assignable<_T2>>::value,
1030         const pair&, const __nonesuch&>::type)): Change __nonesuch
1031         to __nonesuch_no_braces.
1032         (operator=(typename conditional<
1033         __not_<__and_<is_copy_assignable<_T1>,
1034         is_copy_assignable<_T2>>>::value,
1035         const pair&, const __nonesuch&>::type)): Likewise.
1036         (operator=(typename conditional<
1037         __and_<is_move_assignable<_T1>,
1038         is_move_assignable<_T2>>::value,
1039         pair&&, __nonesuch&&>::type)): Likewise.
1040         * testsuite/20_util/pair/79141.cc: New.
1041
1042 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
1043
1044         Implement std::is_aggregate.
1045         * include/std/type_traits (is_aggregate, is_aggregate_v): New.
1046         * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
1047         New.
1048         * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
1049         * testsuite/20_util/is_aggregate/value.cc: Likewise.
1050
1051 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
1052
1053         Adjust optional's pretty printer for LWG 2900.
1054         * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter.__init__):
1055         Look at the nested payload in case of non-experimental optional.
1056
1057 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
1058
1059         Implement LWG 2900, The copy and move constructors
1060         of optional are not constexpr.
1061         * include/std/optional (_Optional_payload): New.
1062         (_Optional_base): Remove the bool parameter.
1063         (_Optional_base<_Tp, false>): Remove.
1064         (_Optional_base()): Adjust.
1065         (_Optional_base(nullopt_t)): Likewise.
1066         (_Optional_base(in_place_t, _Args&&...)): Likewise.
1067         (_Optional_base(in_place_t, initializer_list<_Up>, _Args&&...)):
1068         Likewise.
1069         (_Optional_base(const _Optional_base&)): Likewise.
1070         (_Optional_base(_Optional_base&&)): Likewise.
1071         (operator=(const _Optional_base&)): Likewise.
1072         (operator=(_Optional_base&&)): Likewise.
1073         (~_Optional_base()): Remove.
1074         (_M_is_engaged()): Adjust.
1075         (_M_get()): Likewise.
1076         (_M_construct(_Args&&...)): Likewise.
1077         (_M_destruct()): Likewise.
1078         (_M_reset()): Likewise.
1079         (_Optional_base::_Empty_byte): Remove.
1080         (_Optional_base::_M_empty): Remove.
1081         (_Optional_base::_M_payload): Adjust.
1082         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1083         * testsuite/20_util/optional/constexpr/cons/value.cc: Add tests.
1084
1085 2017-03-28  Jonathan Wakely  <jwakely@redhat.com>
1086
1087         PR libstdc++/80137
1088         * include/bits/random.tcc (generate_canonical): Use std::nextafter
1089         or numeric_limits::epsilon() to reduce out-of-range values.
1090         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1091         64351.cc: Verify complexity requirement is met.
1092
1093         * doc/xml/manual/abi.xml: Add xml:id anchor.
1094         * doc/xml/manual/using.xml (manual.intro.using.macros): Document
1095         _GLIBCXX_RELEASE. Link to new anchor for __GLIBCXX__ notes.
1096         (concurrency.io.structure): Add markup.
1097         * doc/html/*: Regenerate.
1098
1099         PR libstdc++/80229
1100         * include/bits/shared_ptr_base.h
1101         (__shared_ptr::_M_enable_shared_from_this_with): Change parameters to
1102         non-const and then use remove_cv to get unqualified type.
1103         * testsuite/20_util/enable_shared_from_this/members/const.cc: Don't
1104         cast away constness on object created const.
1105         * testsuite/20_util/shared_ptr/cons/80229.cc: New test.
1106
1107 2017-03-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
1108
1109         PR libstdc++/80183
1110         * include/bits/stl_tree.h:
1111         (_Rb_tree_header::_M_move_data(_Rb_tree_header&)): Also save _M_color.
1112
1113 2017-03-23  Jonathan Wakely  <jwakely@redhat.com>
1114
1115         * testsuite/23_containers/array/tuple_interface/
1116         tuple_element_debug_neg.cc: Adjust dg-error.
1117         * testsuite/23_containers/list/operations/78389.cc: Fix less-than to
1118         define a valid strict weak ordering.
1119         * testsuite/23_containers/priority_queue/67085.cc: Disable test for
1120         Debug Mode, due to debug checks making extra copies of predicate.
1121         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
1122         Likewise.
1123
1124         * doc/xml/faq.xml: Add link.
1125         * doc/xml/manual/backwards_compatibility.xml: Remove outdated
1126         information on pre-ISO headers. Replace broken link to C++ FAQ Lite.
1127         * doc/xml/manual/io.xml: Update broken link.
1128         * doc/html/*: Regenerate.
1129
1130 2017-03-23  Daniel Kruegler  <daniel.kruegler@gmail.com>
1131
1132         Implement LWG 2686, Why is std::hash specialized for error_code,
1133         but not error_condition?
1134         * include/std/system_error (hash<error_condition>): Define for C++17.
1135         * testsuite/20_util/hash/operators/size_t.cc (hash<error_condition>):
1136         Instantiate test for error_condition.
1137         * testsuite/20_util/hash/requirements/explicit_instantiation.cc
1138         (hash<error_condition>): Instantiate hash<error_condition>.
1139
1140         * include/bits/c++config (_GLIBCXX17_INLINE): Define.
1141         * include/bits/regex_constants.h (All std::regex_constants constants):
1142         Add _GLIBCXX17_INLINE as per P0607R0.
1143         * include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock):
1144         Likewise.
1145         * include/bits/stl_pair.h (piecewise_construct): Likewise.
1146         * include/bits/uses_allocator.h (allocator_arg, uses_allocator_v)
1147         (__is_uses_allocator_constructible_v)
1148         (__is_nothrow_uses_allocator_constructible_v): Likewise.
1149         * include/std/chrono (treat_as_floating_point_v): Likewise.
1150         * include/std/functional (is_bind_expression_v, is_placeholder_v):
1151         Likewise.
1152         * include/std/optional (nullopt): Likewise.
1153         * include/std/ratio (ratio_equal_v, ratio_not_equal_v, ratio_less_v)
1154         ratio_less_equal_v, ratio_greater_v, ratio_greater_equal_v): Likewise.
1155         * include/std/system_error (is_error_code_enum_v)
1156         (is_error_condition_enum_v): Likewise.
1157         * include/std/tuple (tuple_size_v, ignore): Likewise.
1158         (ignore): Declare ignore constexpr as per LWG 2773, declare assignment
1159         constexpr as per LWG 2933.
1160         * include/std/type_traits (All variable templates): Add
1161         _GLIBCXX17_INLINE as per P0607R0.
1162         * include/std/variant (variant_size_v, variant_npos, __index_of_v)
1163         (__tuple_count_v, __exactly_once): Likewise.
1164         * testsuite/18_support/headers/new/synopsis.cc
1165         (hardware_destructive_interference_size)
1166         (hardware_constructive_interference_size): Likewise for commented-out
1167         variables.
1168         * testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new
1169         test function for constexpr std::ignore (LWG 2773).
1170         * testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New
1171         test for LWG 2933.
1172
1173 2017-03-22  Jonathan Wakely  <jwakely@redhat.com>
1174
1175         * include/bits/shared_ptr.h (shared_ptr, weak_ptr): Add deduction
1176         guides for C++17.
1177         * include/bits/std_function.h (function): Likewise.
1178         * include/bits/stl_pair.h (pair): Likewise.
1179         * include/debug/array (__gnu_debug::array): Likewise.
1180         * include/std/array (array): Likewise.
1181         * include/std/functional (make_default_searcher)
1182         (make_boyer_moore_searcher, make_boyer_moore_horspool_searcher):
1183         Remove generator functions.
1184         * include/std/tuple (tuple): Add deduction guides.
1185         * include/std/valarray (valarray): Likewise.
1186         * testsuite/20_util/function_objects/searchers.cc: Adjust to use
1187         class template argument deduction instead of generator functions.
1188         * testsuite/20_util/function/cons/deduction.cc: New test.
1189         * testsuite/20_util/optional/cons/deduction_guide.cc: Rename to ...
1190         * testsuite/20_util/optional/cons/deduction.cc: ... here.
1191         * testsuite/20_util/pair/cons/deduction.cc: New test.
1192         * testsuite/20_util/shared_ptr/cons/deduction.cc: New test.
1193         * testsuite/20_util/tuple/cons/deduction.cc: New test.
1194         * testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error.
1195         * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: New test.
1196         * testsuite/20_util/weak_ptr/cons/deduction.cc: New test.
1197         * testsuite/23_containers/array/cons/deduction.cc: New test.
1198         * testsuite/23_containers/array/cons/deduction_neg.cc: New test.
1199         * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
1200         Adjust dg-error.
1201         * testsuite/23_containers/array/tuple_interface/get_neg.cc: Likewise.
1202         * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
1203         Likewise.
1204         * testsuite/26_numerics/valarray/deduction.cc: New test.
1205         * testsuite/30_threads/lock_guard/cons/deduction.cc: New test.
1206         * testsuite/30_threads/scoped_lock/cons/deduction.cc: New test.
1207         * testsuite/30_threads/unique_lock/cons/deduction.cc: New test.
1208
1209 2017-03-20  François Dumont  <fdumont@gcc.gnu.org>
1210
1211         * include/bits/stl_deque.h (deque): Access allocator value_type only if
1212         concept checks are enabled.
1213         * include/bits/stl_stack.h (stack): Likewise.
1214         * include/bits/stl_vector.h (vector): Likewise.
1215         * include/bits/stl_list.h (list): Likewise and check
1216         _SGIAssignableConcept only in C++03.
1217         * include/bits/stl_map.h (map): Likewise.
1218         * include/bits/stl_set.h (set): Likewise.
1219         * include/bits/stl_multimap.h (multimap): Likewise.
1220         * include/bits/stl_multiset.h (multiset): Likewise.
1221         * include/bits/stl_queue.h (queue, priority_queue): Likewise.
1222
1223 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
1224
1225         * doc/xml/manual/appendix_contributing.xml: Convert link to
1226         ansi.org to https.
1227         Update link to the C++ standard at ansi.org.
1228
1229         * doc/xml/faq.xml: Remove information redundant with the above;
1230         instead add a reference.
1231
1232 2017-03-17  Jonathan Wakely  <jwakely@redhat.com>
1233
1234         * src/c++11/codecvt.cc (range): Add non-type template parameter and
1235         define oerloaded operators for reading and writing code units.
1236         (range<Elem, false>): Define partial specialization for accessing
1237         wide characters in potentially unaligned byte ranges.
1238         (ucs2_span(const char16_t*, const char16_t*, ...))
1239         (ucs4_span(const char16_t*, const char16_t*, ...)): Change parameters
1240         to range<const char16_t, false> in order to avoid unaligned reads.
1241         (__codecvt_utf16_base<char16_t>::do_out)
1242         (__codecvt_utf16_base<char32_t>::do_out)
1243         (__codecvt_utf16_base<wchar_t>::do_out): Use range specialization for
1244         unaligned data to avoid unaligned writes.
1245         (__codecvt_utf16_base<char16_t>::do_in)
1246         (__codecvt_utf16_base<char32_t>::do_in)
1247         (__codecvt_utf16_base<wchar_t>::do_in): Likewise for writes. Return
1248         error if there are unprocessable trailing bytes.
1249         (__codecvt_utf16_base<char16_t>::do_length)
1250         (__codecvt_utf16_base<char32_t>::do_length)
1251         (__codecvt_utf16_base<wchar_t>::do_length): Pass arguments of type
1252         range<const char16_t, false> to span functions.
1253         * testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test.
1254
1255 2017-03-16  Jonathan Wakely  <jwakely@redhat.com>
1256
1257         PR libstdc++/79980
1258         * src/c++11/codecvt.cc (to_integer(codecvt_mode)): Fix target type.
1259
1260         PR libstdc++/80041
1261         * src/c++11/codecvt.cc (__codecvt_utf16_base<wchar_t>::do_out)
1262         (__codecvt_utf16_base<wchar_t>::do_in): Convert char arguments to
1263         char16_t to work with UTF-16 instead of UTF-8.
1264         * testsuite/22_locale/codecvt/codecvt_utf16/80041.cc: New test.
1265
1266         * src/c++11/codecvt.cc (codecvt<char16_t, char, mbstate_t>)
1267         (codecvt<char32_t, char, mbstate_t>, __codecvt_utf8_base<char16_t>)
1268         (__codecvt_utf8_base<char32_t>, __codecvt_utf8_base<wchar_t>)
1269         (__codecvt_utf16_base<char16_t>, __codecvt_utf16_base<char32_t>)
1270         (__codecvt_utf16_base<wchar_t>, __codecvt_utf8_utf16_base<char16_t>)
1271         (__codecvt_utf8_utf16_base<char32_t>)
1272         (__codecvt_utf8_utf16_base<wchar_t>): Fix do_encoding() and
1273         do_max_length() return values.
1274         * testsuite/22_locale/codecvt/codecvt_utf16/members.cc: New test.
1275         * testsuite/22_locale/codecvt/codecvt_utf8/members.cc: New test.
1276         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/members.cc: New test.
1277
1278         PR libstdc++/79980
1279         * include/bits/locale_conv.h (__do_str_codecvt): Set __count on
1280         error path.
1281         * src/c++11/codecvt.cc (operator&=, operator|=, operator~): Overloads
1282         for manipulating codecvt_mode values.
1283         (read_utf16_bom): Compare input to BOM constants instead of integral
1284         constants that depend on endianness.  Take mode parameter by
1285         reference and adjust it, to distinguish between no BOM present and
1286         UTF-16BE BOM present.
1287         (ucs4_in, ucs2_span, ucs4_span): Adjust calls to read_utf16_bom.
1288         (surrogates): New enumeration type.
1289         (utf16_in, utf16_out): Add surrogates parameter to choose between
1290         UTF-16 and UCS2 behaviour.
1291         (utf16_span, ucs2_span): Use std::min not std::max.
1292         (ucs2_out): Use std::min not std::max.  Disallow surrogate pairs.
1293         (ucs2_in): Likewise. Adjust calls to read_utf16_bom.
1294         * testsuite/22_locale/codecvt/codecvt_utf16/79980.cc: New test.
1295         * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: New test.
1296
1297         PR libstdc++/79511
1298         * src/c++11/codecvt.cc (write_utf16_code_point): Don't write 0xffff
1299         as a surrogate pair.
1300         (__codecvt_utf8_utf16_base<char32_t>::do_in): Use native endianness
1301         for internal representation.
1302         (__codecvt_utf8_utf16_base<wchar_t>::do_in): Likewise.
1303         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc: New test.
1304
1305         PR libstdc++/80064
1306         * include/bits/stl_heap.h (__is_heap, push_heap, __adjust_heap)
1307         (pop_heap, make_heap, sort_heap, is_heap_until, is_heap): Cope with
1308         invalid instantiations using function types for _Compare argument.
1309         * testsuite/25_algorithms/make_heap/80064.cc: New test.
1310
1311         PR libstdc++/67440
1312         * python/libstdcxx/v6/printers.py (find_type): Avoid gdb.Type.name
1313         for GDB 7.6 compatibility, use gdb.Type.unqualified instead.
1314
1315 2017-03-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
1316
1317         Implement LWG 2857, {variant,optional,any}::emplace should
1318         return the constructed value.
1319         * include/std/any (emplace(_Args&&...)): Change the return type and
1320         return a reference to the constructed value.
1321         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
1322         * include/std/optional (emplace(_Args&&...)): Likewise.
1323         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
1324         * include/std/variant (emplace<_Tp>(_Args&&...)): Likewise.
1325         (emplace<_Tp>(initializer_list<_Up>, _Args&&...)): Likewise.
1326         (emplace<_Np>(_Args&&...)): Likewise.
1327         (emplace<_Np>(initializer_list<_Up>, _Args&&...)): Likewise.
1328         * testsuite/20_util/any/assign/emplace.cc: Add tests for
1329         checking the return value of emplace.
1330         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
1331         * testsuite/20_util/optional/assignment/6.cc: Add tests for
1332         checking the return value of emplace.
1333         * testsuite/20_util/variant/run.cc: Likewise.
1334
1335 2017-03-15  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
1336
1337         PR libstdc++/62045
1338         * include/ext/pb_ds/qdetail/binary_heap_/binary_heap_.hpp
1339         (is_heap): Remove.
1340         (push_heap): Remove the wrong checking using is_heap.
1341         (make_heap): Remove the assertion using is_heap.
1342         * include/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp
1343         (modify): Ditto.
1344         (resize_for_insert_if_needed): Add PB_DS_ASSERT_VALID after
1345         calling make_heap.
1346
1347 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
1348
1349         PR libstdc++/62045
1350         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
1351         New test.
1352         * testsuite/ext/pb_ds/regression/priority_queues.cc: Fix copy&paste
1353         error in comment.
1354
1355 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
1356
1357         * acinclude.m4 (GLIBCXX_CHECK_S_ISREG_OR_S_IFREG): Fix typo in
1358         comment.
1359         * config.h.in: Regenerate.
1360         * configure: Regenerate.
1361         * doc/Makefile.in: Regenerate.
1362
1363 2017-03-14  Jonathan Wakely  <jwakely@redhat.com>
1364
1365         PR libstdc++/79162
1366         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1367         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Replace
1368         with a constrained template.
1369         [!_GLIBCXX_USE_CXX11_ABI]
1370         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Likewise.
1371         * testsuite/21_strings/basic_string/cons/char/79162.cc: New test.
1372         * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: New test.
1373
1374 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
1375
1376         PR libstdc++/80034
1377         * include/bits/list.tcc (merge(list&&)): Use const for the size_t
1378         in the catch-block.
1379         (merge(list&&, _StrictWeakOrdering)): Likewise.
1380         * testsuite/23_containers/list/operations/80034.cc: New.
1381
1382 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
1383
1384         Implement LWG 2806, Base class of bad_optional_access.
1385         * include/std/optional (bad_optional_access):
1386         Derive from std::exception.
1387         (bad_optional_access::bad_optional_access): Adjust.
1388         (bad_optional_access::what): New.
1389         (__throw_bad_optional_access(const char*)):
1390         Remove the parameter and adjust calls.
1391         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1392         * testsuite/20_util/optional/typedefs.cc: Likewise.
1393
1394 2017-03-12  Ville Voutilainen  <ville.voutilainen@gmail.com>
1395
1396         Implement LWG 2934, optional<const T> doesn't compare with T.
1397         * include/std/optional
1398         (operator==(const optional<_Tp>&, const optional<_Tp>&)):
1399         Turn into operator==(const optional<_Tp>&, const optional<_Up>&).
1400         (operator!=(const optional<_Tp>&, const optional<_Tp>&)):
1401         Turn into operator!=(const optional<_Tp>&, const optional<_Up>&).
1402         (operator<(const optional<_Tp>&, const optional<_Tp>&)):
1403         Turn into operator<(const optional<_Tp>&, const optional<_Up>&.
1404         (operator>(const optional<_Tp>&, const optional<_Tp>&)):
1405         Turn into operator>(const optional<_Tp>&, const optional<_Up>&.
1406         (operator<=(const optional<_Tp>&, const optional<_Tp>&)):
1407         Turn into operator<=(const optional<_Tp>&, const optional<_Up>&).
1408         (operator>=(const optional<_Tp>&, const optional<_Tp>&)):
1409         Turn into operator>=(const optional<_Tp>&, const optional<_Up>&).
1410         (operator==(const optional<_Tp>&, const _Tp&)):
1411         Turn into operator==(const optional<_Tp>&, const _Up&).
1412         (operator==(const _Tp&, const optional<_Tp>&)):
1413         Turn into operator==(const _Up&, const optional<_Tp>&).
1414         (operator!=(const optional<_Tp>&, const _Tp&)):
1415         Turn into operator!=(const optional<_Tp>&, const _Up&).
1416         (operator!=(const _Tp&, const optional<_Tp>&)):
1417         Turn into operator!=(const _Up&, const optional<_Tp>&).
1418         (operator<(const optional<_Tp>&, const _Tp&)):
1419         Turn into operator<(const optional<_Tp>&, const _Up&).
1420         (operator<(const _Tp&, const optional<_Tp>&)):
1421         Turn into operator<(const _Up&, const optional<_Tp>&).
1422         (operator>(const optional<_Tp>&, const _Tp&)):
1423         Turn into operator>(const optional<_Tp>&, const _Up&).
1424         (operator>(const _Tp&, const optional<_Tp>&)):
1425         Turn into operator>(const _Up&, const optional<_Tp>&).
1426         (operator<=(const optional<_Tp>&, const _Tp&)):
1427         Turn into operator<=(const optional<_Tp>&, const _Up&).
1428         (operator<=(const _Tp&, const optional<_Tp>&)):
1429         Turn into operator<=(const _Up&, const optional<_Tp>&).
1430         (operator>=(const optional<_Tp>&, const _Tp&)):
1431         Turn into operator>=(const optional<_Tp>&, const _Up&).
1432         (operator>=(const _Tp&, const optional<_Tp>&)):
1433         Turn into operator>=(const _Up&, const optional<_Tp>&).
1434         * testsuite/20_util/optional/relops/7.cc: New.
1435
1436 2017-03-10  Jonathan Wakely  <jwakely@redhat.com>
1437
1438         * testsuite/17_intro/names.cc: Undefine macros that clash with
1439         identifiers in AIX system headers.
1440
1441         * include/bits/invoke.h (__invoke): Use __invoke_result instead of
1442         result_of, and __is_nothrow_invocable instead of
1443         __is_nothrow_callable.
1444         * include/bits/shared_ptr_base.h (__shared_ptr): Use __is_invocable
1445         instead of __is_callable.
1446         * include/std/functional (invoke): use invoke_result_t instead of
1447         result_of_t and is_nothrow_invocable instead of is_nothrow_callable.
1448         (_Not_fn): Use __invoke_result instead of result_of.
1449         * include/std/type_traits (__result_of_memobj, __result_of_memfun):
1450         Remove partial specializations for reference_wrapper types.
1451         (__result_of_impl): Use __inv_unwrap to strip reference_wrapper.
1452         (__invoke_result): Define replacement for result_of and then use it to
1453         define result_of.
1454         (__is_callable_impl, __is_callable, __is_nothrow_callable): Replace
1455         with __is_invocable_impl, __is_invocable, and __is_nothrow_invocable
1456         respectively.
1457         (invoke_result, invoke_result_t): Define for C++17.
1458         (is_callable, is_nothrow_callable): Replace with is_invocable,
1459         is_invocable_r, is_nothrow_invocable, and is_nothrow_invocable_r.
1460         (is_callable_v, is_nothrow_callable_v): Replace with is_invocable_v,
1461         is_invocable_r_v, is_nothrow_invocable_v, and is_nothrow_invocable_r_v.
1462         * include/std/variant (hash<variant<T...>>): Use is_nothrow_invocable_v
1463         instead of is_nothrow_callable_v.
1464         * testsuite/20_util/function_objects/invoke/59768.cc: Remove unused
1465         main function.
1466         * testsuite/20_util/function_objects/not_fn/1.cc: Use is_invocable
1467         instead of is_callable.
1468         * testsuite/20_util/is_callable/*: Rename directory and adjust tests
1469         to use new traits.
1470         * testsuite/20_util/is_nothrow_callable/*: Likewise.
1471         * testsuite/20_util/optional/hash.cc: Use is_invocable_v instead of
1472         is_callable.
1473         * testsuite/20_util/variant/hash.cc: Likewise.
1474
1475 2017-03-10  George Lander  <george.lander@arm.com>
1476
1477         * acinclude.m4 (glibcxx_cv_obsolete_isnan): Define
1478         _GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h.
1479         * configure: Regenerate.
1480
1481 2017-03-09  Jonathan Wakely  <jwakely@redhat.com>
1482
1483         * include/std/functional (_Not_fn): Define macro to simplify
1484         repetitive function definitions.
1485
1486         * doc/xml/manual/status_cxx2017.xml: Document std::byte support.
1487         * include/c_global/cstddef (std::byte): Define for C++17.
1488         * testsuite/18_support/byte/global_neg.cc: New test.
1489         * testsuite/18_support/byte/ops.cc: New test.
1490         * testsuite/18_support/byte/requirements.cc: New test.
1491
1492 2017-03-05  Jonathan Wakely  <jwakely@redhat.com>
1493
1494         * doc/xml/manual/status_cxx2017.xml: Document P0156R2 status.
1495         * doc/html/*: Regenerate.
1496         * include/std/mutex (scoped_lock): Implement new C++17 template.
1497         * testsuite/30_threads/scoped_lock/cons/1.cc: New test.
1498         * testsuite/30_threads/scoped_lock/requirements/
1499         explicit_instantiation.cc: New test.
1500         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: New test.
1501
1502 2017-03-02  Gerald Pfeifer  <gerald@pfeifer.com>
1503             François Dumont  <frs.dumont@gmail.com>
1504             Jonathan Wakely  <jwakely@redhat.com>
1505
1506         * doc/xml/manual/debug_mode.xml: Update and simplify note
1507         on link- and run-time coexistence.
1508
1509 2017-03-02  Jonathan Wakely  <jwakely@redhat.com>
1510
1511         * testsuite/17_intro/headers/names.cc: Rename to ...
1512         * testsuite/17_intro/names.cc: ... here.
1513
1514         PR libstdc++/79789
1515         * include/bits/hashtable_policy.h (__clp2): Use reserved names for
1516         parameters and local variables.
1517         * include/bits/ios_base.h (make_error_code, make_error_condition):
1518         Likewise.
1519         * include/bits/list.tcc (list::sort): Likewise.
1520         * include/bits/mask_array.h (mask_array): Likewise.
1521         * include/bits/regex.h (regex_token_iterator): Likewise.
1522         * include/bits/slice_array.h (slice_array): Likewise.
1523         * include/bits/stl_algo.h (__sample): Likewise.
1524         * include/std/memory (undeclare_no_pointers): Likewise.
1525         * include/std/type_traits (is_callable_v, is_nothrow_callable_v):
1526         Likewise.
1527         * libsupc++/exception_ptr.h (__dest_thunk): Likewise.
1528         * testsuite/17_intro/headers/names.cc: New test.
1529
1530         PR libstdc++/79798
1531         * include/std/functional (bind::_Res_type_impl): Fix incorrect use of
1532         result_of that loses top-level cv-qualifiers.
1533         * testsuite/20_util/bind/79798.cc: New test.
1534
1535 2017-03-01  Gerald Pfeifer  <gerald@pfeifer.com>
1536
1537         * doc/xml/manual/documentation_hacking.xml: Tweak link to
1538         doxygen.org.
1539
1540 2017-02-23  Jonathan Wakely  <jwakely@redhat.com>
1541
1542         * include/experimental/iterator: Include <iterator>.
1543         * testsuite/experimental/iterator/requirements.cc: Check for contents
1544         of <iterator>.
1545
1546 2017-02-19  Dinka Ranns  <dinka.ranns@googlemail.com>
1547
1548         C++17 GB50 resolution
1549         * include/std/chrono (duration::operator++()): Add
1550         _GLIBCXX17_CONSTEXPR.
1551         (duration::operator++(int)): Likewise.
1552         (duration::operator--()): Likewise.
1553         (duration::operator--(int)): Likewise.
1554         (duration::operator+=(const duration&)): Likewise.
1555         (duration::operator-=(const duration&)): Likewise.
1556         (duration::operator*=(const rep&)): Likewise.
1557         (duration::operator/=(const rep&)): Likewise.
1558         (duration::operator%=(const rep&)): Likewise.
1559         (duration::operator%=(const duration&)): Likewise.
1560         (time_point::operator+=(const duration&)): Likewise.
1561         (time_point::operator-=(const duration&)): Likewise.
1562         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: New test.
1563         * testsuite/20_util/duration/literals/range.cc: Adjust dg-error.
1564         * testsuite/20_util/time_point/arithmetic/constexpr.cc: New test.
1565
1566 2017-02-19  Gerald Pfeifer  <gerald@pfeifer.com>
1567
1568         * doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer.
1569
1570 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
1571
1572         * doc/xml/manual/io.xml: Update link to groups.google.com.
1573         Tweak link description.
1574
1575 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
1576
1577         * doc/xml/manual/profile_mode.xml: Fix link.
1578
1579 2017-02-16  Gerald Pfeifer  <gerald@pfeifer.com>
1580
1581         * doc/xml/manual/policy_data_structures.xml: Simplify and
1582         standardize references to boost.org.
1583         * doc/xml/manual/policy_data_structures_biblio.xml: Ditto.
1584         * doc/xml/manual/shared_ptr.xml: Ditto.
1585
1586 2017-02-16  Jonathan Wakely  <jwakely@redhat.com>
1587
1588         PR libstdc++/60936
1589         * src/c++11/snprintf_lite.cc (__concat_size_t): Calculate length
1590         written to buffer, not length remaining in buffer.
1591
1592 2017-02-15  Tim Shen  <timshen@google.com>
1593
1594         PR libstdc++/78723
1595         * include/std/variant (operator<(), operator>(), operator<=(),
1596         operator>=(), operator==(), operator!=()): Implement P0393R3.
1597         * testsuite/20_util/variant/compile.cc: Adjust tests.
1598         * testsuite/20_util/variant/run.cc: Adjust tests.
1599
1600 2017-02-15  Tim Shen  <timshen@google.com>
1601
1602         PR libstdc++/79513
1603         * include/std/variant (visit()): Forward variant types to the return
1604         type detection code.
1605         * testsuite/20_util/variant/compile.cc: Add test cases.
1606
1607 2017-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1608
1609         PR libstdc++/79348
1610         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
1611
1612 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
1613
1614         PR libstdc++/79348
1615         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1616         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Likewise.
1617         * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Likewise.
1618         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Likewise.
1619         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Likewise.
1620         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Likewise.
1621         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Likewise.
1622         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Likewise.
1623         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Likewise.
1624
1625 2017-02-13  Jonathan Wakely  <jwakely@redhat.com>
1626
1627         PR libstdc++/79486
1628         * include/std/future (__future_base::_Task_state::_M_run)
1629         (__future_base::_Task_state::_M_run_delayed): Use lvalue types in
1630         result_of expressions.
1631         * testsuite/30_threads/packaged_task/79486.cc: New.
1632
1633 2017-02-11  Jonathan Wakely  <jwakely@redhat.com>
1634
1635         PR libstdc++/79467
1636         * include/bits/shared_ptr_base.h (__shared_ptr(_Yp*, _Deleter))
1637         (__shared_ptr(_Yp*, _Deleter, _Alloc)): Use lvalue types in
1638         __is_callable check.
1639         * testsuite/20_util/shared_ptr/cons/79467.cc: New.
1640
1641         * include/bits/atomic_base.h: Re-indent.
1642
1643 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
1644
1645         * doc/xml/manual/profile_mode.xml: Update a paper reference.
1646
1647 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
1648
1649         * src/c++11/snprintf_lite.cc (__err): Use https for bug reporting.
1650
1651 2017-02-08  Jonathan Wakely  <jwakely@redhat.com>
1652
1653         * doc/xml/manual/policy_data_structures.xml: Fix spelling of author's
1654         name.
1655         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise. Remove
1656         broken links to texts that are no longer online.
1657         * doc/xml/manual/profile_mode.xml: Update links to CGO 2009 paper and
1658         LCPC 2006 paper.
1659         * doc/xml/manual/using.xml: Update links to memory model information.
1660         * doc/xml/manual/using_exceptions.xml: Update link to "Appendix E:
1661         Standard-Library Exception Safety".
1662         * doc/html/*: Regenerate.
1663
1664 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
1665
1666         * doc/xml/manual/profile_mode.xml: Unbreak link to
1667         "Optimizing Sorting with Machine Learning Algorithms".
1668
1669 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
1670
1671         * src/c++11/snprintf_lite.cc (__err): Update bug reporting URL.
1672
1673 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
1674
1675         * doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++
1676         Migration Guide".
1677
1678 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
1679
1680         * doc/html/ext/lwg-active.html: Remove.
1681         * doc/html/ext/lwg-closed.html: Ditto.
1682         * doc/html/ext/lwg-defects.html: Ditto.
1683
1684         * doc/Makefile.am (xml_extradir): Remove.
1685         (xml_extra): Ditto.
1686         (stamp-html-docbook-lwg): Remove recipe...
1687         (stamp-html-docbook-data): ...and its use here.
1688         * doc/Makefile.in: Regenerate.
1689
1690         * doc/xml/manual/intro.xml: Shorten two paragraphs explaining
1691         the relationship to the upstream working group.
1692         Replace a local link to ../ext/lwg-active.html by the upstream one.
1693         Replace all reference to ../ext/lwg-defects.html by a new entity
1694         &DR; which refers to the upstream address.
1695
1696 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
1697
1698         * doc/xml/manual/status_cxx2017.xml: Fix link to N4284.
1699
1700 2017-02-06  Jonathan Wakely  <jwakely@redhat.com>
1701
1702         PR libstdc++/79323
1703         * testsuite/20_util/duration/literals/range.cc: Prune extra output
1704         at -O0.
1705
1706 2017-02-06  Gerald Pfeifer  <gerald@pfeifer.com>
1707
1708         * doc/xml/manual/documentation_hacking.xml: Update URL of the
1709         DocBook Element Reference.  Use that term as link description
1710         instead of "online".
1711         epubcheck has moved to GitHub.
1712         Remove obsolete link to DocBook Publishing Tools.
1713
1714 2017-02-03  Jonathan Wakely  <jwakely@redhat.com>
1715
1716         PR libstdc++/66145
1717         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Restore ABI override
1718         so new ios::failure can be caught even when old ABI is the default.
1719         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1720         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1721         exceptions_failbit.cc: Likewise.
1722         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1723         exceptions_failbit.cc: Likewise.
1724         * testsuite/27_io/basic_istream/extractors_other/char/
1725         exceptions_null.cc: Likewise.
1726         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1727         exceptions_null.cc: Likewise.
1728         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1729         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1730         * testsuite/27_io/basic_ostream/inserters_other/char/
1731         exceptions_null.cc: Likewise.
1732         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1733         exceptions_null.cc: Likewise.
1734         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1735
1736         PR libstdc++/60936
1737         * src/c++11/Makefile.am: Add new files.
1738         * src/c++11/Makefile.in: Regenerate.
1739         * src/c++11/cow-string-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
1740         (operator<<, operator>>, getline): Move explicit instantiations to ...
1741         * src/c++11/cow-string-io-inst.cc: ... new file.
1742         * src/c++11/cow-wstring-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
1743         (operator<<, operator>>, getline): Move explicit instantiations to ...
1744         * src/c++11/cow-wstring-io-inst.cc: ... new file.
1745         * src/c++11/functexcept.cc (__throw_ios_failure, __throw_system_error)
1746         (__throw_future_error, __throw_bad_function_call):
1747         (__throw_regex_error): Move functions for C++11 exceptions to the
1748         files that define the exception types.
1749         * src/c++11/functional.cc (__throw_bad_function_call): Move here.
1750         * src/c++11/future.cc (__throw_future_error): Likewise.
1751         * src/c++11/ios.cc (__throw_ios_failure): Likewise.
1752         * src/c++11/regex.cc (__throw_regex_error): Likewise.
1753         * src/c++11/snprintf_lite.cc (__concat_size_t): Print decimal
1754         representation directly instead of calling __int_to_char.
1755         * src/c++11/sso_string.cc (__sso_string): New file for definition
1756         of __sso_string type.
1757         * src/c++11/string-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
1758         explicit instantiations of narrow string I/O functions.
1759         * src/c++11/system_error.cc (__throw_system_error): Move here.
1760         (__sso_string): Move to new file.
1761         * src/c++11/wstring-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
1762         explicit instantiations of wide string I/O functions.
1763         * src/c++98/misc-inst.cc [_GLIBCXX_USE_CXX11_ABI] (operator<<)
1764         (operator>>, getline): Remove explicit instantiations from here.
1765
1766 2017-02-02  H.J. Lu  <hongjiu.lu@intel.com>
1767
1768         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
1769
1770 2017-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1771
1772         * configure.host: Separate Solaris/SPARC and x86 baselines.
1773         * config/abi/post/solaris2.10/baseline_symbols.txt: Move ...
1774         * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: ... here.
1775         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Move ...
1776         * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
1777         ... here.
1778         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Move ...
1779         * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: ... here.
1780         * config/abi/post/i386-solaris2.10/baseline_symbols.txt: New file.
1781         * config/abi/post/solaris2.11/baseline_symbols.txt: Move ...
1782         * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: ... here.
1783         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Move ...
1784         * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
1785         ... here.
1786         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Move ...
1787         * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: ... here.
1788         * config/abi/post/i386-solaris2.11/baseline_symbols.txt: New file.
1789
1790         * config/abi/post/solaris2.10/baseline_symbols.txt: Regenerate.
1791         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
1792         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.
1793         * config/abi/post/solaris2.11/baseline_symbols.txt: Likewise.
1794         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Likewise.
1795         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Likewise.
1796
1797 2017-02-01  Jonathan Wakely  <jwakely@redhat.com>
1798
1799         PR libstdc++/78346
1800         * include/bits/predefined_ops.h (_Iter_equals_iter): Store iterator
1801         not its referent.
1802         (_Iter_comp_to_iter): Likewise.
1803         * testsuite/25_algorithms/search/78346.cc: New test.
1804
1805         PR libstdc++/79254
1806         * config/abi/pre/gnu.ver: Remove recently added symbols.
1807         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1808         (basic_string::_M_copy_assign): Remove.
1809         (basic_string::operator=(const basic_string&)): Don't dispatch to
1810         _M_copy_assign. If source object is small just deallocate, otherwise
1811         perform new allocation before making any changes.
1812         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
1813         (basic_string::_M_copy_assign(const basic_string&, true_type)):
1814         Remove.
1815         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1816         Test cases where the allocators are equal or the string is small.
1817         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1818         Likewise.
1819
1820 2017-01-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
1821
1822         Implement LWG 2825, LWG 2756 breaks class template argument
1823         deduction for optional.
1824         * include/std/optional: Add a deduction guide.
1825         * testsuite/20_util/optional/cons/deduction_guide.cc: New.
1826
1827 2017-01-27  Jonathan Wakely  <jwakely@redhat.com>
1828
1829         PR libstdc++/79254
1830         * config/abi/pre/gnu.ver: Add new symbols.
1831         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1832         (basic_string::_M_copy_assign): New overloaded functions to perform
1833         copy assignment.
1834         (basic_string::operator=(const basic_string&)): Dispatch to
1835         _M_copy_assign.
1836         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
1837         (basic_string::_M_copy_assign(const basic_string&, true_type)):
1838         Define, performing rollback on exception.
1839         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1840         Test exception-safety guarantee.
1841         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1842         Likewise.
1843         * testsuite/util/testsuite_allocator.h (uneq_allocator::swap): Make
1844         std::swap visible.
1845
1846 2017-01-26  Jonathan Wakely  <jwakely@redhat.com>
1847
1848         PR libstdc++/70607
1849         * include/tr1/complex (conj): Remove using-declaration and restore
1850         overloads, reverting previous change.
1851
1852         * testsuite/23_containers/list/operations/78389.cc: Fix for C++11
1853         mode.
1854         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
1855         Mark as unsupported in C++98 mode.
1856         * testsuite/23_containers/queue/requirements/constructible.cc:
1857         Likewise.
1858         * testsuite/23_containers/stack/requirements/constructible.cc:
1859         Likewise.
1860         * testsuite/25_algorithms/make_heap/movable.cc: Fix for C++11 mode.
1861
1862         PR libstdc++/79243
1863         * include/bits/c++config (literals::string_view_literals::__7): Add.
1864         Only declare versioned namespaces for the relevant C++ dialects.
1865         * include/experimental/bits/erase_if.h (fundamentals_v2::__detail):
1866         Add versioning macros.
1867         * include/experimental/bits/lfts_config.h:
1868         (fundamentals_v1::__detail::__7, fundamentals_v2::__detail::__7): Add.
1869         * include/experimental/string_view (fundamentals_v2::__detail):
1870         Add versioning macros.
1871         (fundamentals_v2::__detail::__identity): Remove.
1872         (fundamentals_v2::__detail::__idt): Use common_type instead of
1873         __detail::__identity.
1874         * include/std/string_view (__detail::__identity, __detail::__idt):
1875         Likewise.
1876         (literals::string_view_literals): Fix nesting of versioning macros.
1877
1878         PR libstdc++/79190
1879         * libsupc++/del_opa.cc (operator delete(void*, std::align_val_t))
1880         [!_GLIBCXX_HAVE_ALIGNED_ALLOC && !_GLIBCXX_HAVE_POSIX_MEMALIGN
1881         && !_GLIBCXX_HAVE_MEMALIGN && !_GLIBCXX_HAVE__ALIGNED_MALLOC]:
1882         Retrieve original pointer value allocated by malloc.
1883         * libsupc++/new_opa.cc [!_GLIBCXX_HAVE_ALIGNED_ALLOC
1884         && !_GLIBCXX_HAVE_POSIX_MEMALIGN && !_GLIBCXX_HAVE_MEMALIGN
1885         && !_GLIBCXX_HAVE__ALIGNED_MALLOC] (aligned_alloc(size_t, size_t)):
1886         Define, adjusting pointer value allocated by malloc and storing for
1887         retrieval by operator delete.
1888
1889 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
1890
1891         * libsupc++/eh_atomics.h: Update copyright years.
1892         * testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years.
1893
1894 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
1895
1896         PR libstdc++/61791
1897         PR libstdc++/70607
1898         * include/std/complex (real(T), imag(T)): Add _GLIBCXX_CONSTEXPR.
1899         (proj(T), conj(T)): Change return types per DR 1522.
1900         * include/tr1/complex (conj): Remove overloads and use std::conj.
1901         * testsuite/26_numerics/complex/dr781_dr1137.cc: Rename to...
1902         * testsuite/26_numerics/complex/dr781.cc: ... this, and update.
1903         * testsuite/26_numerics/complex/value_operations/constexpr2.cc: Test
1904         real(T) and imag(T). Allow testing for C++11 too.
1905
1906 2017-01-24  Jonathan Wakely  <jwakely@redhat.com>
1907
1908         PR libstdc++/79206
1909         * include/experimental/string_view (operator==): Check sizes first.
1910         * include/std/string_view (operator==): Likewise.
1911
1912 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
1913
1914         * testsuite/experimental/array/make_array.cc: Restore <functional>
1915         inclusion.
1916
1917 2017-01-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1918
1919         * testsuite/29_atomics/atomic/69301.cc: Require atomic builtins.
1920
1921 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
1922
1923         PR libstdc++/79195
1924         * include/experimental/array (__make_array_elem): New class template
1925         and partial specialization.
1926         (__is_reference_wrapper): Move into __make_array_elem specialization.
1927         (make_array): Use __make_array_elem to determine element type and move
1928         static assertion into specialization. Qualify std::forward call.
1929         (to_array): Add exception specifiation.
1930         * testsuite/experimental/array/make_array.cc: Test argument types
1931         without a common type.
1932         * testsuite/experimental/array/neg.cc: Adjust expected error message.
1933
1934 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
1935
1936         * doc/xml/manual/debug.xml: code.google.com uses https now.
1937
1938 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
1939
1940         * doc/xml/manual/test.xml: Fix link into gccint online manual.
1941
1942 2017-01-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
1943
1944         Make poisoned hashes SFINAE away the call operator of the hash.
1945         * include/bits/functional_hash.h
1946         (__poison_hash::__enable_hash_call): New.
1947         * include/std/optional (__optional_hash_call_base): New.
1948         (hash<optional<_Tp>>): Derive from the new base,
1949         move the hash function into that base.
1950         * include/std/variant (__variant_hash_call_base_impl): New.
1951         (__variant_hash_call_base): Likewise.
1952         (hash<variant<_Types...>>): Derive from the new base,
1953         move the hash function into that base.
1954         * testsuite/20_util/optional/hash.cc: Add tests for is_callable.
1955         * testsuite/20_util/variant/hash.cc: Likewise.
1956
1957 2017-01-20  Joe Seymour  <joe.s@somniumtech.com>
1958
1959         * acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t.
1960         * configure: Regenerate.
1961
1962 2017-01-20  Jonathan Wakely  <jwakely@redhat.com>
1963
1964         PR libstdc++/69240
1965         * include/bits/random.h (uniform_real_distribution::param_type)
1966         (normal_distribution::param_type, lognormal_distribution::param_type)
1967         (gamma_distribution::param_type, chi_squared_distribution::param_type)
1968         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
1969         (student_t_distribution::param_type)
1970         (bernoulli_distribution::param_type, binomial_distribution::param_type)
1971         (geometric_distribution::param_type)
1972         (negative_binomial_distribution::param_type)
1973         (poisson_distribution::param_type)
1974         (exponential_distribution::param_type)
1975         (weibull_distribution::param_type)
1976         (extreme_value_distribution::param_type)
1977         (discrete_distribution::param_type)
1978         (piecewise_constant_distribution::param_type)
1979         (piecewise_linear_distribution::param_type): Define operator!=.
1980         * include/bits/uniform_int_dist.h
1981         (uniform_int_distribution::param_type): Likewise.
1982         * include/ext/random (beta_distribution::param_type)
1983         (rice_distribution::param_type, nakagami_distribution::param_type)
1984         (pareto_distribution::param_type, k_distribution::param_type)
1985         (arcsine_distribution::param_type, hoyt_distribution::param_type)
1986         (triangular_distribution::param_type)
1987         (von_mises_distribution::param_type)
1988         (hypergeometric_distribution::param_type)
1989         (logistic_distribution::param_type)
1990         (uniform_on_sphere_distribution::param_type)
1991         (uniform_inside_sphere_distribution::param_type): Likewise.
1992         * testsuite/26_numerics/random/bernoulli_distribution/cons/parms.cc:
1993         Test construction with param_type.
1994         * testsuite/26_numerics/random/binomial_distribution/cons/parms.cc:
1995         Likewise.
1996         * testsuite/26_numerics/random/cauchy_distribution/cons/parms.cc:
1997         Likewise.
1998         * testsuite/26_numerics/random/chi_squared_distribution/cons/parms.cc:
1999         Likewise.
2000         * testsuite/26_numerics/random/exponential_distribution/cons/parms.cc:
2001         Likewise.
2002         * testsuite/26_numerics/random/extreme_value_distribution/cons/
2003         parms.cc: Likewise.
2004         * testsuite/26_numerics/random/fisher_f_distribution/cons/parms.cc:
2005         Likewise.
2006         * testsuite/26_numerics/random/gamma_distribution/cons/parms.cc:
2007         Likewise.
2008         * testsuite/26_numerics/random/geometric_distribution/cons/parms.cc:
2009         Likewise.
2010         * testsuite/26_numerics/random/lognormal_distribution/cons/parms.cc:
2011         Likewise.
2012         * testsuite/26_numerics/random/negative_binomial_distribution/cons/
2013         parms.cc: Likewise.
2014         * testsuite/26_numerics/random/normal_distribution/cons/parms.cc:
2015         Likewise.
2016         * testsuite/26_numerics/random/poisson_distribution/cons/parms.cc:
2017         Likewise.
2018         * testsuite/26_numerics/random/student_t_distribution/cons/parms.cc:
2019         Likewise.
2020         * testsuite/26_numerics/random/uniform_int_distribution/cons/parms.cc:
2021         Likewise.
2022         * testsuite/26_numerics/random/uniform_real_distribution/cons/parms.cc:
2023         Likewise.
2024         * testsuite/26_numerics/random/weibull_distribution/cons/parms.cc:
2025         Likewise.
2026         * testsuite/ext/random/arcsine_distribution/cons/parms.cc: Likewise.
2027         * testsuite/ext/random/beta_distribution/cons/parms.cc: Likewise.
2028         * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
2029         * testsuite/ext/random/hypergeometric_distribution/cons/parms.cc:
2030         Likewise.
2031         * testsuite/ext/random/k_distribution/cons/parms.cc: Likewise.
2032         * testsuite/ext/random/logistic_distribution/cons/parms.cc: Likewise.
2033         * testsuite/ext/random/nakagami_distribution/cons/parms.cc: Likewise.
2034         * testsuite/ext/random/normal_mv_distribution/cons/parms.cc: Likewise.
2035         * testsuite/ext/random/pareto_distribution/cons/parms.cc: Likewise.
2036         * testsuite/ext/random/rice_distribution/cons/parms.cc: Likewise.
2037         * testsuite/ext/random/triangular_distribution/cons/parms.cc:
2038         Likewise.
2039         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/
2040         parms.cc: Likewise.
2041         * testsuite/ext/random/von_mises_distribution/cons/parms.cc: Likewise.
2042
2043         PR libstdc++/72792
2044         * include/bits/alloc_traits.h (__allocator_traits_base::__diff_type)
2045         (__allocator_traits_base::__size_type): Remove.
2046         (allocator_traits::_Ptr): New class template to detect const and void
2047         pointer types without instantiating pointer_traits::rebind
2048         unnecessarily.
2049         (allocator_traits::_Diff): Likewise for detecting difference_type.
2050         (allocator_traits::_Size): New class template to detect size_type
2051         without instantiating make_unsigned unnecessarily.
2052         * include/bits/ptr_traits.h (pointer_traits::element_type): Use
2053         __detected_or_t instead of __detected_or_t_.
2054         * include/std/type_traits (__detected_or_t_): Remove.
2055         * testsuite/20_util/allocator_traits/members/pointers.cc: New test.
2056
2057         PR libstdc++/72792
2058         PR libstdc++/72793
2059         * include/bits/alloc_traits.h (__allocator_traits_base::__rebind):
2060         Replace with class template using void_t.
2061         (__alloc_rebind): Define in terms of
2062         __allocator_traits_base::__rebind.
2063         (allocator_traits): Remove unconditional static_assert for
2064         rebind_alloc.
2065         * include/bits/ptr_traits.h (__replace_first_arg): Remove type member.
2066         (pointer_traits::__rebind): Replace with class template using void_t.
2067         (pointer_traits::rebind): Define in terms of __rebind.
2068         (pointer_traits): Remove unconditional static_assert for rebind.
2069         * testsuite/20_util/allocator_traits/members/rebind_alloc.cc: New test.
2070         * testsuite/20_util/pointer_traits/rebind.cc: New test.
2071
2072         PR libstdc++/69321
2073         * include/experimental/any (__any_caster): Avoid instantiating
2074         manager function for types that can't be stored in any.
2075         * include/std/any (__any_caster): Likewise.
2076         * testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
2077         * testsuite/experimental/any/misc/any_cast.cc: Likewise.
2078
2079         PR libstdc++/64903
2080         * include/bits/stl_algo.h (is_partitioned): Use increment instead of
2081         std::advance.
2082
2083 2017-01-19  Jonathan Wakely  <jwakely@redhat.com>
2084
2085         PR libstdc++/79156
2086         * include/bits/shared_ptr_base.h (__enable_shared_from_this_base):
2087         Fix return type.
2088         (__enable_shared_from_this): Declare __shared_ptr as a friend.
2089         * testsuite/ext/shared_ptr/1.cc: New test.
2090
2091         PR libstdc++/64903
2092         * include/bits/stl_algo.h (is_partitioned): Don't retest the partition
2093         point.
2094         * testsuite/25_algorithms/is_partitioned/2.cc: New test.
2095
2096         * doc/xml/manual/abi.xml: Fix typo.
2097         * doc/html/manual/abi.html: Likewise.
2098
2099         PR libstdc++/67085
2100         * include/bits/predefined_ops.h (_Iter_less_val, _Val_less_iter): Add
2101         converting constructors from _Iter_less_iter.
2102         (_Iter_comp_val, _Val_comp_iter): Add converting constructors from
2103         _Iter_comp_iter.
2104         (__iter_comp_val(_Iter_comp_iter<C>): Use converting constructor.
2105         (__val_comp_iter(_Iter_comp_iter<C>): Likewise.
2106         * include/bits/stl_heap.h (__is_heap_until, __push_heap, __pop_heap)
2107         (__make_heap, __sort_heap): Change _Compare parameters to references.
2108         (__is_heap, push_heap, __adjust_heap, __pop_heap, pop_heap)
2109         (__make_heap, make_heap, sort_heap, is_heap_until): Pass comparison
2110         functions as lvalues.
2111         (is_heap): Call __is_heap_until directly to avoid copying __comp.
2112         * testsuite/23_containers/priority_queue/67085.cc: Adjust test to
2113         count copies during construction with empty sequence.
2114
2115         PR libstdc++/67085
2116         * include/bits/stl_heap.h (__is_heap): Use _GLIBCXX_MOVE.
2117         (__make_heap, __sort_heap): Don't use _GLIBCXX_MOVE inside loops.
2118         * testsuite/23_containers/priority_queue/67085.cc: Adjust expected
2119         number of copies.
2120         * testsuite/25_algorithms/make_heap/movable.cc: New test.
2121
2122         PR libstdc++/67085
2123         * include/bits/stl_heap.h (push_heap, __adjust_heap, __pop_heap)
2124         (pop_heap, __make_heap, make_heap, __sort_heap, sort_heap): Use
2125         _GLIBCXX_MOVE when passing comparison function to other functions.
2126         (is_heap_until, is_heap): Use std::move when passing comparison
2127         function.
2128         * testsuite/23_containers/priority_queue/67085.cc: New test.
2129
2130         PR libstdc++/78905
2131         * doc/xml/manual/abi.xml (abi.versioning.history): Add markup to
2132         macro names, filenames, and literal values. Document _GLIBCXX_RELEASE.
2133         Document that the deprecated _GLIBCXX_VERSION macro was removed for
2134         the 4.0.0 release.
2135         * doc/html/*: Regenerate.
2136         * include/Makefile.am (_GLIBCXX_RELEASE): Set value.
2137         * include/Makefile.in: Regenerate.
2138         * include/bits/c++config (_GLIBCXX_RELEASE): Add #define.
2139         * testsuite/ext/profile/mutex_extensions_neg.cc: Use lineno of 0 in
2140         dg-error.
2141
2142 2017-01-18  Jonathan Wakely  <jwakely@redhat.com>
2143
2144         PR libstdc++/69301
2145         * include/std/atomic (atomic<T>::load, atomic<T>::exchange): Use
2146         aligned buffer instead of default-initialized variable.
2147         * testsuite/29_atomics/atomic/69301.cc: New test.
2148         * include/experimental/memory (observer_ptr::release): Use reserved
2149         name.
2150         * include/ext/pointer.h (_Pointer_adapter::operator++(int))
2151         (_Pointer_adapter::operator--(int)): Likewise.
2152
2153         PR libstdc++/68925
2154         * include/experimental/random (randint): Use temporary instead of
2155         thread_local static.
2156
2157 2017-01-17  Joshua Conner  <joshconner@google.com>
2158
2159         * crossconfig.m4: Add fuchsia OS.
2160         * configure: Regenerate.
2161
2162 2017-01-17  Jonathan Wakely  <jwakely@redhat.com>
2163
2164         PR libstdc++/69699
2165         * doc/xml/manual/abi.xml (abi.versioning.history): Explain why the
2166         __GLIBCXX__ macro is not useful. Remove redundant date information
2167         and link to the GCC release timeline.
2168         (abi.versioning.active): Move partial sentence into the previous
2169         paragraph.
2170         * doc/html/*: Regenerate.
2171
2172         PR libstdc++/79114
2173         * libsupc++/nested_exception.h (throw_with_nested): Use decay instead
2174         of remove_reference.
2175         * testsuite/18_support/nested_exception/79114.cc: New test.
2176
2177 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
2178
2179         PR other/79046
2180         * configure.ac: Add GCC_BASE_VER.
2181         * fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
2182         get version from BASE-VER file.
2183         * po/Makefile.in: Regenerated.
2184         * libsupc++/Makefile.in: Regenerated.
2185         * testsuite/Makefile.in: Regenerated.
2186         * src/Makefile.in: Regenerated.
2187         * configure: Regenerated.
2188         * Makefile.in: Regenerated.
2189         * include/Makefile.in: Regenerated.
2190         * doc/Makefile.in: Regenerated.
2191         * python/Makefile.in: Regenerated.
2192         * src/c++11/Makefile.in: Regenerated.
2193         * src/c++98/Makefile.in: Regenerated.
2194         * src/filesystem/Makefile.in: Regenerated.
2195
2196 2017-01-16  Jonathan Wakely  <jwakely@redhat.com>
2197
2198         PR libstdc++/66145
2199         * src/c++11/functexcept.cc: Use new ABI for std::ios_base::failure
2200         exceptions.
2201         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Don't override ABI
2202         for test, so new ios::failure can be caught.
2203         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
2204         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
2205         exceptions_failbit.cc: Likewise.
2206         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
2207         exceptions_failbit.cc: Likewise.
2208         * testsuite/27_io/basic_istream/extractors_other/char/
2209         exceptions_null.cc: Likewise.
2210         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
2211         exceptions_null.cc: Likewise.
2212         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
2213         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
2214         * testsuite/27_io/basic_ostream/inserters_other/char/
2215         exceptions_null.cc: Likewise.
2216         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
2217         exceptions_null.cc: Likewise.
2218         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
2219
2220         PR libstdc++/78702
2221         * include/bits/locale_classes.h (locale::facet::__shim): Change from
2222         private to protected.
2223         * src/c++11/cxx11-shim_facets.cc (__shim_accessor): Define helper to
2224         make locale::facet::__shim accessible.
2225
2226 2017-01-16  Ville Voutilainen  <ville.voutilainen@gmail.com>
2227
2228         PR libstdc++/78389
2229         * include/bits/list.tcc (merge(list&&)): Fix backwards size adjustments.
2230         (merge(list&&, _StrictWeakOrdering)): Likewise.
2231         * testsuite/23_containers/list/operations/78389.cc: Add
2232         better test for the sizes.
2233
2234 2017-01-14  Jonathan Wakely  <jwakely@redhat.com>
2235
2236         * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
2237         Skip test when -D_GLIBCXX_PROFILE mode is included in options.
2238         * testsuite/23_containers/map/modifiers/extract.cc: Likewise.
2239         * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
2240         Likewise.
2241         * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
2242         * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
2243         * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
2244         * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
2245         * testsuite/23_containers/unordered_map/modifiers/extract.cc:
2246         Likewise.
2247         * testsuite/23_containers/unordered_multimap/modifiers/extract.cc::
2248         Likewise.
2249         * testsuite/23_containers/unordered_multiset/modifiers/extract.cc::
2250         Likewise.
2251         * testsuite/23_containers/unordered_set/modifiers/extract.cc:
2252         Likewise.
2253         * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
2254         Likewise.
2255         * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
2256         * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
2257         * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
2258         * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
2259         * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
2260         * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2261         * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2262         * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
2263         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
2264         * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2265         * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2266         * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2267         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2268
2269 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
2270
2271         PR libstdc++/65411
2272         * config/io/basic_file_stdio.cc (__basic_file<char>::close()): Don't
2273         retry fclose on EINTR.
2274
2275         * include/profile/base.h: Remove unused header that leads to header
2276         cycle in C++17 mode.
2277
2278         PR libstdc++/79075
2279         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
2280         Make _If_sv private.
2281         [!_GLIBCXX_USE_CXX11_ABI] (basic_string): Add member functions taking
2282         basic_string_view arguments.
2283
2284         PR libstdc++/79075
2285         * testsuite/lib/libstdc++.exp (check_v3_target_filesystem_ts): Remove
2286         redundant option from cxxflags.
2287         (check_effective_target_cxx11-abi): Define.
2288         * testsuite/21_strings/basic_string/allocator/71964.cc: Use cxx11-abi
2289         effective target.
2290         * testsuite/21_strings/basic_string/allocator/char/copy.cc: Likewise.
2291         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
2292         Likewise.
2293         * testsuite/21_strings/basic_string/allocator/char/minimal.cc:
2294         Likewise.
2295         * testsuite/21_strings/basic_string/allocator/char/move.cc: Likewise.
2296         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
2297         Likewise.
2298         * testsuite/21_strings/basic_string/allocator/char/noexcept.cc:
2299         Likewise.
2300         * testsuite/21_strings/basic_string/allocator/char/swap.cc: Likewise.
2301         * testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc:
2302         Likewise.
2303         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
2304         Likewise.
2305         * testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc:
2306         Likewise.
2307         * testsuite/21_strings/basic_string/allocator/wchar_t/move.cc:
2308         Likewise.
2309         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
2310         Likewise.
2311         * testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc:
2312         Likewise.
2313         * testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc:
2314         Likewise.
2315         * testsuite/23_containers/list/61347.cc: Likewise.
2316         * testsuite/27_io/basic_fstream/cons/base.cc: Likewise.
2317         * testsuite/27_io/ios_base/failure/cxx11.cc: Likewise.
2318
2319 2017-01-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
2320
2321         PR libstdc++/78389
2322         * include/bits/list.tcc (merge(list&&)):
2323         Adjust list sizes if the comparator throws.
2324         (merge(list&&, _StrictWeakOrdering)): Likewise.
2325         (sort()): Splice elements back from the scratch buffers
2326         if the comparator throws.
2327         (sort(_StrictWeakOrdering)): Likewise.
2328         * testsuite/23_containers/list/operations/78389.cc: New.
2329
2330 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
2331
2332         * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Mark
2333         XFAIL for C++17 until node reinsertion supports fancy pointers.
2334
2335         PR libstdc++/78361
2336         * testsuite/20_util/add_pointer/value.cc: Test forming function
2337         pointers.
2338
2339 2017-01-13  Michael Brune  <lucdanton@free.fr>
2340
2341         PR libstdc++/78361
2342         * include/std/type_traits (__is_referenceable): Handle noexcept
2343         function types.
2344
2345 2017-01-12  Jonathan Wakely  <jwakely@redhat.com>
2346
2347         PR libstdc++/77528
2348         * include/bits/stl_queue.h (queue, priority_queue): Remove default
2349         member-initializers and define default constructors as templates with
2350         constraints.
2351         * include/bits/stl_stack.h (stack): Likewise.
2352         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
2353         New.
2354         * testsuite/23_containers/priority_queue/requirements/
2355         explicit_instantiation/1.cc: Test more instantiations.
2356         * testsuite/23_containers/priority_queue/requirements/
2357         explicit_instantiation/1_c++98.cc: Likewise.
2358         * testsuite/23_containers/queue/requirements/constructible.cc: New.
2359         * testsuite/23_containers/stack/requirements/constructible.cc: New.
2360
2361         PR libstdc++/66284
2362         * doc/xml/manual/intro.xml: Document LWG 2781 change.
2363         * doc/html/*: Regenerate.
2364         * include/std/functional (_Function_base::_Ref_manager): Remove.
2365         (_Function_handler): Remove partial specializations for
2366         reference_wrapper.
2367         (function::target): Remove special case for const qualification.
2368         * testsuite/20_util/function/6.cc: Adjust tests for target type.
2369         * testsuite/20_util/function/7.cc: Likewise.
2370         * testsuite/20_util/function/8.cc: Likewise.
2371
2372 2017-01-11  Jonathan Wakely  <jwakely@redhat.com>
2373
2374         PR libstdc++/78134
2375         * include/bits/stl_map.h (map::lower_bound, map::upper_bound)
2376         (map::equal_range): Fix return type of heterogeneous overloads.
2377         * include/bits/stl_multimap.h (multimap::lower_bound)
2378         (multimap::upper_bound, multimap::equal_range): Likewise.
2379         * include/bits/stl_multiset.h (multiset::lower_bound)
2380         (multiset::upper_bound, multiset::equal_range): Likewise.
2381         * include/bits/stl_set.h (set::lower_bound, set::upper_bound)
2382         (set::equal_range): Likewise.
2383         * testsuite/23_containers/map/operations/2.cc
2384         * testsuite/23_containers/multimap/operations/2.cc
2385         * testsuite/23_containers/multiset/operations/2.cc
2386         * testsuite/23_containers/set/operations/2.cc
2387
2388         PR libstdc++/78273
2389         * include/bits/stl_map.h (map::count<_Kt>(const _Kt&)): Don't assume
2390         the heterogeneous comparison can only find one match.
2391         * include/bits/stl_set.h (set::count<_Kt>(const _Kt&)): Likewise.
2392         * testsuite/23_containers/map/operations/2.cc: Test count works with
2393         comparison function that just partitions rather than sorting.
2394         * testsuite/23_containers/set/operations/2.cc: Likewise.
2395
2396 2017-01-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
2397
2398         Reduce the size of variant, it doesn't need an index of
2399         type size_t internally.
2400         * include/std/variant (parse_numbers.h): New include.
2401         (__select_index): New.
2402         (_Variant_storage<false, _Types...>::_M_reset_impl): Use
2403         _index_type for comparison with variant_npos.
2404         (_Variant_storage<false, _Types...>::__index_type): New.
2405         (_Variant_storage<false, _Types...>::_M_index): Change the
2406         type from size_t to __index_type.
2407         (_Variant_storage<true, _Types...>::__index_type): New.
2408         (_Variant_storage<true, _Types...>::_M_index): Change the
2409         type from size_t to __index_type.
2410         (_Variant_base::_M_valid): Use _Storage::__index_type
2411         for comparison with variant_npos.
2412         (variant::index): Use _Base::_Storage::__index_type
2413         for comparison with variant_npos.
2414         * testsuite/20_util/variant/index_type.cc: New.
2415
2416 2017-01-10  Jonathan Wakely  <jwakely@redhat.com>
2417
2418         * testsuite/18_support/exception_ptr/60612-unexpected.cc: Adjust
2419         effective target selector to prevent running in C++17 mode.
2420
2421         PR libstdc++/77528
2422         * include/bits/stl_queue.h (queue::c): Add default member initializer.
2423         (queue::queue()): Add constructor and define as defaulted.
2424         (queue::queue(_Sequence&&)): Remove default argument.
2425         (priority_queue::c, priority_queue::comp): Add default member
2426         initializers.
2427         (priority_queue::priority_queue()): Add constructor and define as
2428         defaulted.
2429         (priority_queue::priority_queue(const _Compare&, _Sequence&&)):
2430         Remove default argument for first parameter.
2431         * include/bits/stl_stack.h (stack::c): Add default member initializer.
2432         (stack::stack()): Add constructor and define as defaulted.
2433         (stack::stack(const _Sequence&)): Remove default argument.
2434         * testsuite/23_containers/priority_queue/requirements/
2435         explicit_instantiation/1.cc: Test explicit instantiation with
2436         non-DefaultConstructible sequence.
2437         * testsuite/23_containers/priority_queue/77528.cc: New test.
2438         * testsuite/23_containers/priority_queue/requirements/
2439         explicit_instantiation/1_c++0x.cc: Replace with 1_c++98.cc.
2440         * testsuite/23_containers/queue/77528.cc: New test.
2441         * testsuite/23_containers/queue/requirements/explicit_instantiation/
2442         1.cc: Test explicit instantiation with non-DefaultConstructible
2443         sequence.
2444         * testsuite/23_containers/queue/requirements/explicit_instantiation/
2445         1_c++0x.cc: Replace with 1_c++98.cc.
2446         * testsuite/23_containers/stack/77528.cc: New test.
2447         * testsuite/23_containers/stack/requirements/explicit_instantiation/
2448         1.cc: Test explicit instantiation with non-DefaultConstructible
2449         sequence.
2450         * testsuite/23_containers/stack/requirements/explicit_instantiation/
2451         1_c++0x.cc: Replace with 1_c++98.cc.
2452
2453 2017-01-10  Felipe Magno de Almeida <felipe@expertisesolutions.com.br>
2454
2455         * include/bits/locale_facets_nonio.tcc
2456         (time_get::_M_extract_via_format): Avoid compilation errors with
2457         non-standard struct tm.
2458
2459 2017-01-10  François Dumont  <fdumont@gcc.gnu.org>
2460             Jonathan Wakely  <jwakely@redhat.com>
2461
2462         * python/libstdcxx/v6/printers.py (_versioned_namespace): Define.
2463         (is_specialization, strip_versioned_namespace): New helpers functions
2464         to work with symbols in the versioned namespace.
2465         (Printer.add_version): Add second name using versioned namespace.
2466         (add_one_template_type_printer, add_one_type_printer): Add second
2467         type printers using versioned namespace.
2468         (register_type_printers): Add template type printer for basic_string.
2469         (build_libstdcxx_dictionary): Remove dead code.
2470         * python/libstdcxx/v6/xmethods.py: Make all matchers look for
2471         versioned namespace.
2472         * testsuite/libstdc++-prettyprinters/48362.cc: Adjust expected
2473         results.
2474         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2475
2476 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
2477
2478         PR libstdc++/79017
2479         * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Check for llrint and llround
2480         functions separately on darwin and if they're missing define
2481         _GLIBCXX_NO_C99_ROUNDING_FUNCS.
2482         * config.h.in: Regenerate.
2483         * configure: Regenerate.
2484         * include/c_global/cmath [_GLIBCXX_NO_C99_ROUNDING_FUNCS] (llrint)
2485         (llrintf, llrintl, llround, llroundf, llroundl): Do not define.
2486
2487         * testsuite/30_threads/condition_variable/members/3.cc: Use new macro
2488         to detect correct thread_local destructors.
2489         * testsuite/util/testsuite_hooks.h (CORRECT_THREAD_LOCAL_DTORS):
2490         Define.
2491
2492 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
2493             Aditya Kumar  <hiraditya@msn.com>
2494
2495         PR libstdc++/66414
2496         * include/bits/basic_string.tcc
2497         (basic_string::find(const CharT*, size_type, size_type)): Optimize.
2498
2499 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
2500
2501         * testsuite/21_strings/basic_string/operations/find/char/6.cc: New.
2502         * testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New.
2503
2504         * testsuite/util/performance/priority_queue/mem_usage/pop_test.hpp:
2505         Include <cassert> header.
2506
2507         PR libstdc++/78968
2508         * crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*.
2509         * configure: Regenerate.
2510
2511 2017-01-06  Barrett Adair  <barrettellisadair@gmail.com>
2512             Jonathan Wakely  <jwakely@redhat.com>
2513
2514         * include/std/variant (variant, swap): Replace __and_ usage with fold
2515         expressions.
2516
2517 2017-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2518
2519         PR go/78978
2520         * acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Remove.
2521         * configure.ac: Call GCC_CHECK_ASSEMBLER_HWCAP instead of
2522         GLIBCXX_CHECK_ASSEMBLER_HWCAP.
2523         * fragment.am (CONFIG_CXXFLAGS): Use HWCAP_CFLAGS instead of
2524         HWCAP_FLAGS.
2525         * aclocal.m4: Regenerate.
2526         * configure: Regenerate.
2527         * Makefile.in, doc/Makefile.in, include/Makefile.in,
2528         libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in,
2529         src/Makefile.in, src/c++11/Makefile.in, src/c++98/Makefile.in,
2530         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
2531
2532 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
2533
2534         * include/bits/c++config (_GLIBCXX_ASSERTIONS): Avoid redefinition.
2535
2536         PR libstdc++/78991
2537         * include/bits/predefined_ops.h (_Iter_comp_iter, _Iter_comp_val)
2538         (_Val_comp_iter, _Iter_equals_val, _Iter_pred, _Iter_comp_to_val)
2539         (_Iter_comp_to_iter, _Iter_negate): Make constructors explicit and
2540         move function objects.
2541         (__iter_comp_iter, __iter_comp_val, __val_comp_iter, __pred_iter)
2542         (__iter_comp_val, __iter_comp_iter, __negate): Move function objects.
2543         * testsuite/25_algorithms/sort/78991.cc: New test.
2544
2545 2017-01-05  Jonathan Wakely  <jwakely@redhat.com>
2546
2547         * include/bits/std_function.h (function::_Signature_type): Remove.
2548         (function::function(_Functor)): Adjust.
2549
2550 2017-01-05  Tim Shen  <timshen@google.com>
2551
2552         PR libstdc++/78996
2553         * include/std/variant (__gen_vtable_impl): rename __unused to
2554         __dimensions to avoid naming conflict.
2555
2556 2017-01-04  Jonathan Wakely  <jwakely@redhat.com>
2557
2558         PR libstdc++/78968
2559         * config.h.in: Regenerate.
2560         * configure: Likewise.
2561         * configure.ac: Check for __cxa_thread_atexit.
2562         * libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]:
2563         Don't define __cxa_thread_atexit if libc provides it.
2564
2565 2017-01-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
2566
2567         Implement 2801, Default-constructibility of unique_ptr.
2568         * include/bits/unique_ptr.h (__uniq_ptr_impl::_DeleterConstraint): New.
2569         (unique_ptr::_DeleterConstraint): Likewise.
2570         (unique_ptr()): Constrain.
2571         (unique_ptr(pointer)): Likewise.
2572         (unique_ptr(nullptr_t)): Likewise.
2573         (unique_ptr<_Tp[], _Dp>::_DeleterConstraint): New.
2574         (unique_ptr<_Tp[], _Dp>::unique_ptr()): Constrain.
2575         (unique_ptr<_Tp[], _Dp>::unique_ptr(_Up)): Likewise.
2576         (unique_ptr<_Tp[], _Dp>::unique_ptr(nullptr_t)): Likewise.
2577         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust.
2578         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
2579         * testsuite/20_util/unique_ptr/cons/default.cc: New.
2580         * testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Adjust.
2581
2582 2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
2583             Jonathan Wakely  <jwakely@redhat.com>
2584
2585         PR libstdc++/64735
2586         * acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
2587         * config.h.in: Regenerate.
2588         * config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
2589         (GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
2590         exports for exception_ptr, nested_exception, and future conditional.
2591         [HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
2592         exports for exception_ptr, nested_exception, and future conditional.
2593         * configure: Regenerate.
2594         * configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
2595         * include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
2596         * libsupc++/eh_atomics.h: New file for internal use only.
2597         (__eh_atomic_inc, __eh_atomic_dec): New.
2598         * libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
2599         (exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
2600         (rethrow_exception): Use eh_atomics.h reference counting helpers.
2601         * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
2602         * libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
2603         * libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
2604         * libsupc++/exception_ptr.h: Likewise.
2605         * libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
2606         * libsupc++/nested_exception.cc: Remove check for
2607         ATOMIC_INT_LOCK_FREE.
2608         * libsupc++/nested_exception.h: Likewise.
2609         * src/c++11/future.cc: Likewise.
2610         * testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
2611         * testsuite/18_support/nested_exception/*: Likewise.
2612         * testsuite/30_threads/async/*: Likewise.
2613         * testsuite/30_threads/future/*: Likewise.
2614         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
2615         * testsuite/30_threads/packaged_task/*: Likewise.
2616         * testsuite/30_threads/promise/*: Likewise.
2617         * testsuite/30_threads/shared_future/*: Likewise.
2618
2619 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
2620
2621         * doc/xml/manual/documentation_hacking.xml: sourceforge.net now
2622         defaults to https; adjust reference.
2623
2624 2017-01-03  Jonathan Wakely  <jwakely@redhat.com>
2625
2626         PR libstdc++/78956
2627         * include/std/thread (thread(const thread&&)): Add deleted
2628         constructor.
2629         * testsuite/30_threads/thread/cons/lwg2097.cc: New test.
2630
2631         * doc/xml/manual/spine.xml: Update copyright years.
2632         * doc/xml/manual/build_hacking.xml: Fix spelling of libbuilddir.
2633         * doc/xml/manual/test.xml: Likewise.
2634         * doc/html/*: Regenerate.
2635
2636 2017-01-01  Gerald Pfeifer  <gerald@pfeifer.com>
2637
2638         * doc/xml/faq.xml: Update address of C++ ABI link.
2639         * doc/xml/manual/abi.xml: Ditto.
2640
2641 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
2642
2643         Update copyright years.
2644 \f
2645 Copyright (C) 2017 Free Software Foundation, Inc.
2646
2647 Copying and distribution of this file, with or without modification,
2648 are permitted in any medium without royalty provided the copyright
2649 notice and this notice are preserved.