libstdc++-v3/ChangeLog

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