Fix testsuite failures for __gnu_debug::string with old ABI
[official-gcc.git] / libstdc++-v3 / ChangeLog
blob54b8a2f17826ed4530d569185891071c07549786
1 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
3         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
4         (basic_string::__const_iterator): Change access to protected.
5         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
6         as typedef for iterator.
7         * include/debug/string (__const_iterator): Use typedef from base.
8         (insert(const_iterator, _CharT))
9         (replace(const_iterator, const_iterator, const basic_string&))
10         (replace(const_iterator, const_iterator, const _CharT*, size_type))
11         (replace(const_iterator, const_iterator, const CharT*))
12         (replace(const_iterator, const_iterator, size_type, _CharT))
13         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
14         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
15         Change const_iterator parameters to __const_iterator.
16         (insert(iterator, size_type, _CharT)): Add C++98 overload.
17         (insert(const_iterator, _InputIterator, _InputIterator)): Change
18         const_iterator parameter to __const_iterator.
19         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
20         of base's member function.
21         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
22         Likewise.
23         (insert(const_iterator, initializer_list<_CharT>))
24         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
25         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
26         target directive.
28         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
29         not use C++14 feature.
30         * testsuite/23_containers/list/68222_neg.cc: Likewise.
32         * testsuite/21_strings/basic_string/init-list.cc:
33         Require cxx11-abi.
34         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
35         Likewise.
36         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
37         Likewise.
39         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
40         C++98 mode.
41         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
42         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
43         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
44         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
45         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
47 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
49         PR libstdc++/87061
50         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
51         (experimental::pmr::match_results, experimental::pmr::cmatch)
52         (experimental::pmr::smatch, experimental::pmr::wcmatch)
53         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
54         because COW strings don't support C++11 allocator model.
55         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
56         (experimental::pmr::basic_string, experimental::pmr::string)
57         (experimental::pmr::u16string, experimental::pmr::u32string)
58         (experimental::pmr::wstring): Likewise.
59         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
60         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
61         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
62         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
63         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
64         cxx11-abi.
65         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
67         PR libstdc++/78448
68         * include/bits/deque.tcc (deque::_M_range_initialize): Use
69         _S_check_init_len to check size.
70         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
71         error if size would exceed max_size().
72         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
73         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
74         size_t instead of size_type.
75         (deq(size_type, const allocator_type&)
76         (deq(size_type, const value_type&, const allocator_type&)
77         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
78         (deque::max_size): Call _S_max_size.
79         (deque::_S_check_init_len, deque::_S_max_size): New functions.
80         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
81         (vector(size_type, const value_type&, const allocator_type&))
82         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
83         _S_check_init_len to check size.
84         (vector::max_size): Call _S_max_size.
85         (vector::_M_check_len): Prevent max from being expanded as a
86         function-like macro.
87         (vector::_S_check_init_len, vector::_S_max_size): New functions.
88         * include/bits/vector.tcc (vector::_M_assign_aux): Use
89         _S_check_init_len to check size.
90         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
91         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
93 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
95         PR libstdc++/68222
96         * include/debug/safe_iterator.h
97         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
98         (_Safe_iterator<>::_Const_iterator): Remove.
99         (_Safe_iterator<>::_IsConstant): New.
100         (_Safe_iterator<>::_OtherIterator): New.
101         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
102         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
103         __gnu_cxx::__enable_if condition.
104         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
105         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
106         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
107         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
108         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
109         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
110         ::operator--()): ...here.
111         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
112         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
113         ::operator--(int)): ...here.
114         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
115         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
116         ::_M_decrementable()): ...here.
117         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
118         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
119         Move...
120         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
121         ::operator[](const difference_type&)): ...here.
122         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
123         Move...
124         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
125         ::operator+=(const difference_type&)): ...here.
126         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
127         Move...
128         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
129         ::operator+(const difference_type&)): ...here.
130         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
131         Move...
132         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
133         ::operator-=(const difference_type&)): ...here.
134         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
135         Move...
136         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
137         ::operator-(const difference_type&)): ...here.
138         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
139         Constraint to random access iterators.
140         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
141         Likewise.
142         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
143         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
144         Likewise.
145         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
146         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
147         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
148         (__get_distance): Remove.
149         (__get_distance_from_begin): Remove.
150         (__get_distance_to_end): Remove.
151         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
152         specialization.
153         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
154         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
155         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
156         * include/debug/safe_iterator.tcc
157         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
158         (_Safe_iterator<>::_M_get_distance_to_end()): New.
159         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
160         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
161         ::_M_valid_range): New.
162         * include/debug/safe_local_iterator.h
163         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
164         (_Safe_local_iterator<>::_IsConstant): New.
165         (_Safe_local_iterator<>::_OtherIterator): New.
166         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
167         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
168         in __gnu_cxx::__enable_if condition. If singular compare base iterator
169         with _MutIte rather than _It.
170         (_Safe_local_iterator<>::_S_constant): Make constexpr.
171         (_Safe_local_iterator<>::_M_get_distance_to): New.
172         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
173         (__get_distance(const _Safe_local_iterator<>&,
174         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
175         (__valid_range(const _Safe_local_iterator<>&,
176         const _Safe_local_iterator<>&)): New.
177         * include/debug/safe_local_iterator.tcc
178         (_Safe_local_iterator<>::_M_get_distance_to): New.
179         * include/debug/deque (std::__debug::deque<>): Add
180         ::__gnu_debug::_Safe_iterator<> friend declaration.
181         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
182         * include/debug/list (std::__debug::list<>): Likewise.
183         * include/debug/map.h (std::__debug::map<>): Likewise.
184         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
185         * include/debug/set.h (std::__debug::set<>): Likewise.
186         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
187         * include/debug/string (std::__debug::basic_string<>): Likewise.
188         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
189         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
190         (std::__debug::unordered_multimap<>): Likewise.
191         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
192         (std::__debug::unordered_multiset<>): Likewise.
193         * include/debug/formatter.h: Adapt.
194         * include/debug/helper_functions.h
195         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
196         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
197         Pass parameter by copy.
198         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
199         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
200         (__valid_range_aux<_Integral>): Pass _Integral by copy.
201         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
202         (__valid_range<>(const _Safe_iterator<>&,
203         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
204         Declare.
205         (__valid_range(const _Safe_local_iterator<>&,
206         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
207         Declare.
208         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
209         Declare.
210         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
211         Declare.
212         (__can_advance): Adapt.
213         (struct __is_safe_random_iterator<>): Remove.
214         (struct _SIter_base<>): Remove.
215         * include/debug/functions.h: Include <bits/stl_iterator.h>.
216         (__check_dereferenceable): Remove.
217         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
218         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
219         (__foreign_iterator): Adapt.
220         * include/debug/stl_iterator.h
221         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
222         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
223         Constraint for random access iterators.
224         (__niter_base): Adapt.
225         * testsuite/util/testsuite_containers.h:
226         Include <bits/boost_concept_check.h>.
227         (iterator_concept_checks<_It, _Mutable, _Category>): New.
228         (citerator<_Cont>::forward_members::forward_members()): Instantiate
229         latter for container iterator and const_iterator.
230         * testsuite/23_containers/list/68222_neg.cc: New.
231         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
232         line number.
233         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
234         (test01): Remove.
235         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
236         Remove.
238 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
240         PR libstdc++/77854
241         * doc/xml/manual/status_cxx1998.xml: Document size_type and
242         difference_type for containers.
243         * doc/html/*: Regenerate.
245 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
247         P0646R1 Improving the Return Value of Erase-Like Algorithms I
248         * include/debug/forward_list (forward_list::__remove_return_type):
249         Define typedef as size_type or void, according to __cplusplus value.
250         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
251         empty, according to __cplusplus value.
252         (_GLIBCXX20_ONLY): Define macro.
253         (forward_list::remove, forward_list::unique): Use typedef and macro
254         to change return type and add abi-tag for C++2a. Return number of
255         removed elements for C++2a.
256         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
257         typedef to change return type for C++2a. Return number of removed
258         elements for C++2a.
259         * include/debug/list (list::__remove_return_type): Define typedef as
260         size_type or void, according to __cplusplus value.
261         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
262         empty, according to __cplusplus value.
263         (_GLIBCXX20_ONLY): Define macro.
264         (list::remove, list::unique): Use typedef and macro to change return
265         type and add abi-tag for C++2a. Return number of removed elements for
266         C++2a.
267         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
268         to change return type for C++2a. Return number of removed elements for
269         C++2a.
271 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
273         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
275 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
277         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
278         redundant dg-do directive.
279         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
280         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
281         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
282         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
284 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
286         PR libstdc++/86963
287         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
288         (_Tuple_impl::_M_assign): New functions to perform assignment instead
289         of assignment operators.
290         (_Tuple_impl::_M_swap): Remove exception specification.
291         (_Tuple_impl<_Idx, _Head>): Likewise.
292         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
293         (__tuple_base): Remove.
294         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
295         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
296         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
297         using __is_nothrow_swappable.
298         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
300         * include/std/optional (_Optional_payload): Use variable templates
301         for conditions in default template arguments and exception
302         specifications.
303         (optional): Likewise. Adjust indentation.
304         (optional::__not_self, optional::__not_tag, optional::_Requires): New
305         SFINAE helpers.
306         (optional::optional): Use new helpers in constructor constraints.
307         * include/std/type_traits (__or_v, __and_v): New variable templates.
308         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
309         dg-prune-output. Remove unused header.
311 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
313         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
314         _GLIBCXX_DEBUG.
316 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
318         PR libstdc++/86963
319         * include/std/tuple (__tuple_base): New class template with deleted
320         copy assignment operator.
321         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
322         implicit copy/move assignment operator will be deleted/suppressed.
323         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
324         functions for SFINAE constraints on assignment operators.
325         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
326         New helper functions for exception specifications.
327         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
328         (tuple<_T1, _T2>::operator=(const tuple&))
329         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
330         __nonesuch_no_braces when the operator should be defined implicitly.
331         Use __nothrow_assignable for exception specifications.
332         (tuple::operator=(const tuple<_UElements...>&))
333         (tuple::operator=(tuple<_UElements...>&&))
334         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
335         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
336         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
337         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
338         __assignable and use __nothrow_assignable for exception
339         specifications.
340         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
341         gdb.Type as first argument, instead of a string.
342         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
343         tuple for expected structure.
344         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
345         * testsuite/20_util/tuple/dr2729.cc: New test.
346         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
347         to dg-prune-output.
349 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
351         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
352         about signed/unsigned comparison.
354         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
355         deprecation warnings for using uncaught_exception().
357         PR libstdc++/86447
358         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
359         (logic_error::logic_error(logic_error&&))
360         (logic_error::operator=(logic_error&&))
361         (runtime_error::runtime_error(runtime_error&&))
362         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
363         moving, to avoid allocating empty reps for moved-from strings.
365 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
367         * include/experimental/regex: Remove begin/end macros for namespace.
368         * include/experimental/string: Likewise.
369         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
370         New test.
371         * testsuite/experimental/polymorphic_allocator/
372         pmr_typedefs_forward_list.cc: New test.
373         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
374         New test.
375         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
376         New test.
377         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
378         New test.
379         * testsuite/experimental/polymorphic_allocator/
380         pmr_typedefs_multimap.cc: New test.
381         * testsuite/experimental/polymorphic_allocator/
382         pmr_typedefs_multiset.cc: New test.
383         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
384         New test.
385         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
386         New test.
387         * testsuite/experimental/polymorphic_allocator/
388         pmr_typedefs_unordered_map.cc: New test.
389         * testsuite/experimental/polymorphic_allocator/
390         pmr_typedefs_unordered_multimap.cc: New test.
391         * testsuite/experimental/polymorphic_allocator/
392         pmr_typedefs_unordered_multiset.cc: New test.
393         * testsuite/experimental/polymorphic_allocator/
394         pmr_typedefs_unordered_set.cc: New test.
395         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
396         New test.
398         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
399         calls to __uses_allocator_construct_impl and __use_alloc.
400         * include/experimental/memory_resource
401         (polymorphic_allocator::_M_construct): Remove.
402         (polymorphic_allocator::construct): Call __uses_allocator_construct.
403         Qualify calls to __use_alloc.
404         * include/std/memory_resource (polymorphic_allocator::construct): Fix
405         type in SFINAE constraint. Use constexpr if instead of tag dispatching
406         to _S_construct overloads.
407         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
408         arguments to _S_construct_p.
409         (polymorphic_allocator::_S_construct): Remove.
410         (polymorphic_allocator::_S_construct_p): Return allocators by value
411         not by reference.
412         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
413         Qualify calls to __use_alloc.
414         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
415         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
416         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
417         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
418         New test.
420         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
421         (atomic_mem_res): Add unsynchronized definition for single-threaded.
423 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
425         PR libstdc++/86954
426         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
427         non-placement delete.
429         * include/std/chrono (__check_overflow): Simplify definition.
430         (_Checked_integral_constant): Remove.
432         PR libstdc++/86846
433         * src/c++17/default_resource.h: New file, defining default_res.
434         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
435         (atomic_mem_res): Define alternative for atomic<memory_resource*>
436         using a mutex instead of atomics.
438         PR libstdc++/85343
439         * config/abi/pre/gnu.ver: Export new symbol.
440         * doc/xml/manual/abi.xml: Document new versions.
441         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
442         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
443         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
444         Declare new overload.
445         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
446         and static member function.
447         (__throw_ios_failure(const char*, int)): Define.
448         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
449         (__throw_ios_failure(const char*, int)): Define.
451 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
453         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
454         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
455         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
456         copied/assigned rope iterators don't retain pointers to the iterator
457         they were copied/assigned from.
458         * testsuite/ext/rope/7.cc: New.
460 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
462         PR libstdc++/45093
463         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
464         Combine definitions to avoid --detect-odr-violations warning.
466         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
467         __is_pow2 to check for valid alignment. Avoid branching when rounding
468         size to multiple of alignment.
470         * include/Makefile.am: Install <bit> and <version> for freestanding.
471         * include/Makefile.in: Regenerate.
472         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
474         Revert
475         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
477         PR target/85904
478         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
479         Newlib.
480         * configure: Regenerate.
482 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
484         PR libstdc++/68210
485         * doc/xml/manual/intro.xml: Document LWG 206 change.
486         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
487         * libsupc++/del_opa.cc: Likewise.
488         * libsupc++/del_opant.cc: Likewise.
489         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
490         of free(ptr).
491         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
492         * libsupc++/del_opsa.cc: Likewise.
493         * libsupc++/del_opva.cc: Likewise.
494         * libsupc++/del_opvant.cc: Likewise.
495         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
496         instead of operator delete(ptr).
497         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
498         * libsupc++/del_opvsa.cc: Likewise.
499         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
500         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
501         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
502         with noexcept.
503         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
504         malloc(sz).
505         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
506         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
507         operator new(sz, nothrow).
508         * testsuite/18_support/new_nothrow.cc: New test.
510 2018-08-10  Martin Liska  <mliska@suse.cz>
512         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
513         predictor can handle that.
514         * libsupc++/new_opa.cc: Likewise.
515         * libsupc++/new_opnt.cc (new): Likewise.
517 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
519         PR target/85904
520         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
521         Newlib.
522         * configure: Regenerate.
524 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
526         * include/std/deque (std::pmr::deque): Declare alias.
527         * include/std/forward_list (std::pmr::forward_list): Likewise.
528         * include/std/list (std::pmr::list): Likewise.
529         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
530         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
531         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
532         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
533         * include/std/string (std::pmr::basic_string, std::pmr::string)
534         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
535         Likewise.
536         * include/std/unordered_map (std::pmr::unordered_map)
537         (std::pmr::unordered_multimap): Likewise.
538         * include/std/unordered_set (std::pmr::unordered_set)
539         (std::pmr::unordered_multiset): Likewise.
540         * include/std/vector (std::pmr::vector): Likewise.
541         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
542         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
543         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
544         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
545         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
546         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
547         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
548         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
549         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
550         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
551         test.
552         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
553         test.
554         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
555         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
556         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
558 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
560         * include/bits/stl_algo.h
561         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
562         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
563         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
564         duplication...
565         (rotate(_Ite, _Ite, _Ite)): ...here.
566         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
567         Simplify rotate call.
568         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
569         Likewise.
570         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
571         Likewise.
573 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
575         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
576         avoid clashing with an ::aligned_alloc function that was not detected
577         by configure.
579         * doc/xml/manual/using.xml: Fix markup for empty table entry.
580         * doc/html/*: Regenerate.
582         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
583         * doc/html/*: Regenerate.
585         PR libstdc++/86597
586         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
587         Clear error_code when cached type is used.
588         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
590 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
592         PR libstdc++/86874
593         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
594         here instead of in _Move_assign_base.
595         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
596         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
597         the contained value to another alternative.
598         (_Move_assign_base::operator=): Likewise.
599         (_Move_assign_base::_M_destructive_move): Remove.
600         * testsuite/20_util/variant/86874.cc: New test.
602         PR libstdc++/86861
603         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
604         Replace macro with inline function.
605         [__sun]: Increase alignment to meet memalign precondition.
606         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
607         (aligned_alloc): Move check for valid alignment to operator new.
608         Remove redundant check for non-zero size, it's enforced by the caller.
609         (operator new): Move check for valid alignment here. Use
610         __builtin_expect on check for zero size.
612         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
613         * include/std/memory_resource (monotonic_buffer_resource::release):
614         Call _M_release_buffers to free buffers.
615         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
616         allocate a new buffer from upstream.
617         (monotonic_buffer_resource::_M_new_buffer): Declare.
618         (monotonic_buffer_resource::_M_release_buffers): Declare.
619         (monotonic_buffer_resource::_Chunk): Replace definition with
620         declaration as opaque type.
621         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
622         Define.
623         (monotonic_buffer_resource::_M_new_buffer): Define.
624         (monotonic_buffer_resource::_M_release_buffers): Define.
626 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
628         * include/bits/stl_iterator.h: Fix comment.
630 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
632         * src/c++11/system_error.cc
633         (system_error_category::default_error_condition): Add workaround for
634         ENOTEMPTY and EEXIST having the same value on AIX.
635         * testsuite/19_diagnostics/error_category/system_category.cc: Add
636         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
638 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
640         * configure: Regenerate.
641         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
642         * src/c++11/futex.cc: Use __glibcxx_assert instead of
643         _GLIBCXX_DEBUG_ASSERT.
645 2018-08-01  Mike Crowe  <mac@mcrowe.com>
647         * include/std/condition_variable (wait_for): Use steady_clock.
649 2018-08-01  Mike Crowe  <mac@mcrowe.com>
651         * include/std/condition_variable (wait_until): Only report timeout
652         if we really have timed out when measured against the
653         caller-supplied clock.
654         * testsuite/30_threads/condition_variable/members/2.cc: Add test
655         case to confirm above behaviour.
657 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
659         PR libstdc++/60555
660         * src/c++11/system_error.cc
661         (system_error_category::default_error_condition): New override to
662         check for POSIX errno values.
663         * testsuite/19_diagnostics/error_category/generic_category.cc: New
664         * testsuite/19_diagnostics/error_category/system_category.cc: New
665         test.
667 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
669         PR libstdc++/86751
670         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
671         assignment operator.
672         (pair): Derive from __pair_base.
673         (pair::operator=): Remove deleted overload.
674         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
675         so that new base class isn't shown in GDB.
676         * testsuite/20_util/pair/86751.cc: New test.
677         * testsuite/20_util/pair/ref_assign.cc: New test.
679         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
680         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
681         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
682         instead of __has_builtin.
683         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
684         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
685         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
686         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
687         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
688         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
689         (__cpp_lib_has_unique_object_representations): Don't define when
690         builtin not available.
691         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
692         Likewise.
693         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
694         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
695         from here.
697         * doc/xml/manual/test.xml: Improve documentation on writing tests for
698         newer standards.
699         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
700         * doc/html/*: Regenerate.
702         * include/ext/pointer.h [__cplusplus >= 201103L]
703         (_Pointer_adapter::operator bool): Add explicit conversion operator
704         to replace safe bool idiom.
706 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
708         PR libstdc++/86734
709         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
710         _S_to_pointer (LWG 1052, LWG 2118).
711         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
712         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
713         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
715         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
716         workaround for aligned_alloc bug on AIX.
717         * testsuite/18_support/new_aligned.cc: New test.
719 2018-07-26  Marek Polacek  <polacek@redhat.com>
721         * testsuite/30_threads/condition_variable_any/cond.cc: New.
723 2018-07-26  Marek Polacek  <polacek@redhat.com>
725         * src/c++98/locale_init.cc: Fix #ifdef condition.
727 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
729         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
730         dg-require-cstdint directive.
731         * testsuite/20_util/allocator/overaligned.cc: Likewise.
732         * testsuite/20_util/any/cons/aligned.cc: Likewise.
733         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
734         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
735         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
736         Likewise.
737         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
738         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
739         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
740         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
741         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
742         random_device effective-target.
743         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
744         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
745         * testsuite/25_algorithms/sample/2.cc: Likewise.
746         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
747         and random_device.
748         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
749         cstdint.
750         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
751         Likewise.
752         * testsuite/26_numerics/random/discard_block_engine/requirements/
753         constexpr_data.cc: Likewise.
754         * testsuite/26_numerics/random/discard_block_engine/requirements/
755         constexpr_functions.cc: Likewise.
756         * testsuite/26_numerics/random/independent_bits_engine/requirements/
757         constexpr_functions.cc: Likewise.
758         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
759         constexpr_data.cc: Likewise.
760         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
761         constexpr_functions.cc: Likewise.
762         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
763         constexpr_data.cc: Likewise.
764         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
765         constexpr_functions.cc: Likewise.
766         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
767         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
768         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
769         constexpr_data.cc: Add dg-require-cstdint directive.
770         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
771         constexpr_functions.cc: Likewise.
772         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
773         constexpr_data.cc: Likewise.
774         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
775         constexpr_functions.cc: Likewise.
776         * testsuite/26_numerics/random/uniform_real_distribution/operators/
777         64351.cc: Likewise.
778         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
779         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
780         * testsuite/experimental/algorithm/sample.cc: Likewise.
781         * testsuite/experimental/algorithm/search.cc: Likewise.
782         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
783         * testsuite/experimental/any/cons/aligned.cc: Likewise.
784         * testsuite/experimental/memory_resource/new_delete_resource.cc:
785         Likewise.
786         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
787         * testsuite/experimental/random/randint.cc: Likewise.
788         * testsuite/experimental/source_location/1.cc: Likewise.
789         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
790         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
791         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
792         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
793         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
794         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
795         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
796         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
797         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
798         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
799         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
800         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
801         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
802         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
803         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
804         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
805         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
806         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
807         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
808         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
809         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
810         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
811         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
813         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
814         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
815         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
816         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
817         Likewise.
818         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
819         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
820         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
821         Likewise.
822         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
823         Likewise.
824         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
825         Likewise.
826         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
827         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
828         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
829         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
830         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
831         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
832         Likewise.
833         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
834         Likewise.
835         * testsuite/30_threads/recursive_timed_mutex/dest/
836         destructor_locked.cc: Likewise.
837         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
838         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
839         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
840         Likewise.
841         * testsuite/30_threads/recursive_timed_mutex/native_handle/
842         typesizes.cc: Likewise.
843         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
844         Likewise.
845         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
846         Likewise.
847         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
848         Likewise.
849         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
850         Likewise.
851         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
852         Likewise.
853         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
854         Likewise.
855         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
856         Likewise.
857         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
858         Likewise.
859         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
860         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
861         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
862         * testsuite/30_threads/scoped_lock/requirements/
863         explicit_instantiation.cc: Likewise.
864         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
865         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
866         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
867         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
868         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
869         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
870         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
871         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
872         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
873         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
874         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
875         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
876         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
877         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
878         * testsuite/30_threads/shared_future/requirements/
879         explicit_instantiation.cc: Likewise.
880         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
881         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
882         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
883         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
884         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
885         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
886         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
887         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
888         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
889         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
890         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
891         * testsuite/30_threads/shared_lock/requirements/
892         explicit_instantiation.cc: Likewise.
893         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
894         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
895         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
896         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
897         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
898         Likewise.
899         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
900         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
901         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
902         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
903         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
904         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
905         * testsuite/30_threads/shared_timed_mutex/requirements/
906         standard_layout.cc: Likewise.
907         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
908         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
909         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
910         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
911         * testsuite/30_threads/this_thread/1.cc: Likewise.
912         * testsuite/30_threads/this_thread/2.cc: Likewise.
913         * testsuite/30_threads/this_thread/3.cc: Likewise.
914         * testsuite/30_threads/this_thread/4.cc: Likewise.
915         * testsuite/30_threads/this_thread/58038.cc: Likewise.
916         * testsuite/30_threads/thread/70503.cc: Likewise.
917         * testsuite/30_threads/thread/84532.cc: Likewise.
918         * testsuite/30_threads/thread/adl.cc: Likewise.
919         * testsuite/30_threads/thread/cons/1.cc: Likewise.
920         * testsuite/30_threads/thread/cons/2.cc: Likewise.
921         * testsuite/30_threads/thread/cons/3.cc: Likewise.
922         * testsuite/30_threads/thread/cons/4.cc: Likewise.
923         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
924         * testsuite/30_threads/thread/cons/5.cc: Likewise.
925         * testsuite/30_threads/thread/cons/6.cc: Likewise.
926         * testsuite/30_threads/thread/cons/7.cc: Likewise.
927         * testsuite/30_threads/thread/cons/8.cc: Likewise.
928         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
929         * testsuite/30_threads/thread/cons/9.cc: Likewise.
930         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
931         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
932         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
933         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
934         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
935         * testsuite/30_threads/thread/id/operators.cc: Likewise.
936         * testsuite/30_threads/thread/members/1.cc: Likewise.
937         * testsuite/30_threads/thread/members/2.cc: Likewise.
938         * testsuite/30_threads/thread/members/3.cc: Likewise.
939         * testsuite/30_threads/thread/members/4.cc: Likewise.
940         * testsuite/30_threads/thread/members/5.cc: Likewise.
941         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
942         Likewise.
943         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
944         * testsuite/30_threads/thread/swap/1.cc: Likewise.
945         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
946         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
947         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
948         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
949         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
950         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
951         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
952         Likewise.
953         * testsuite/30_threads/timed_mutex/requirements/
954         standard_layout.cc: Likewise.
955         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
956         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
957         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
958         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
959         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
960         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
961         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
962         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
963         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
964         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
965         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
966         * testsuite/30_threads/try_lock/1.cc: Likewise.
967         * testsuite/30_threads/try_lock/2.cc: Likewise.
968         * testsuite/30_threads/try_lock/3.cc: Likewise.
969         * testsuite/30_threads/try_lock/4.cc: Likewise.
970         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
971         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
972         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
973         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
974         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
975         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
976         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
977         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
978         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
979         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
980         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
981         * testsuite/30_threads/unique_lock/requirements/
982         explicit_instantiation.cc: Likewise.
983         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
985         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
986         directive.
987         * testsuite/30_threads/async/49668.cc: Likewise.
988         * testsuite/30_threads/async/54297.cc: Likewise.
989         * testsuite/30_threads/async/84532.cc: Likewise.
990         * testsuite/30_threads/async/any.cc: Likewise.
991         * testsuite/30_threads/async/async.cc: Likewise.
992         * testsuite/30_threads/async/except.cc: Likewise.
993         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
994         * testsuite/30_threads/async/launch.cc: Likewise.
995         * testsuite/30_threads/async/lwg2021.cc: Likewise.
996         * testsuite/30_threads/async/sync.cc: Likewise.
997         * testsuite/30_threads/call_once/39909.cc: Likewise.
998         * testsuite/30_threads/call_once/49668.cc: Likewise.
999         * testsuite/30_threads/call_once/60497.cc: Likewise.
1000         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1001         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1002         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1003         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1004         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1005         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1006         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1007         Likewise.
1008         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1009         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1010         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1011         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1012         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1013         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1014         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1015         Likewise.
1016         * testsuite/30_threads/condition_variable/requirements/
1017         standard_layout.cc: Likewise.
1018         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1019         * Likewise.
1020         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1021         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1022         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1023         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1024         Likewise.
1025         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1026         Likewise.
1027         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1028         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1029         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1030         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1031         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1032         * testsuite/30_threads/future/cons/default.cc: Likewise.
1033         * testsuite/30_threads/future/cons/move.cc: Likewise.
1034         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1035         * testsuite/30_threads/future/members/45133.cc: Likewise.
1036         * testsuite/30_threads/future/members/get.cc: Likewise.
1037         * testsuite/30_threads/future/members/get2.cc: Likewise.
1038         * testsuite/30_threads/future/members/share.cc: Likewise.
1039         * testsuite/30_threads/future/members/valid.cc: Likewise.
1040         * testsuite/30_threads/future/members/wait.cc: Likewise.
1041         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1042         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1043         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1044         Likewise.
1045         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1046         Likewise.
1047         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1048         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1049         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1050         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1051         * testsuite/30_threads/lock/1.cc: Likewise.
1052         * testsuite/30_threads/lock/2.cc: Likewise.
1053         * testsuite/30_threads/lock/3.cc: Likewise.
1054         * testsuite/30_threads/lock/4.cc: Likewise.
1055         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1056         * testsuite/30_threads/lock_guard/requirements/
1057         explicit_instantiation.cc: Likewise.
1058         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1059         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1060         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1061         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1062         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1063         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1064         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1065         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1066         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1067         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1068         Likewise.
1069         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1070         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1071         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1072         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1073         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1074         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1075         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1076         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1077         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1078         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1079         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1080         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1081         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1082         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1083         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1084         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1085         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1086         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1087         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1088         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1089         Likewise.
1090         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1091         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1092         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1093         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1094         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1095         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1096         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1097         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1098         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1099         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1100         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1101         * testsuite/30_threads/packaged_task/requirements/
1102         explicit_instantiation.cc: Likewise.
1103         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1104         * testsuite/30_threads/promise/60966.cc: Likewise.
1105         * testsuite/30_threads/promise/69106.cc: Likewise.
1106         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1107         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1108         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1109         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1110         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1111         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1112         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1113         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1114         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1115         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1116         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1117         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1118         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1119         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1120         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1121         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1122         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1123         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1124         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1125         * Likewise.
1126         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1128         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1129         from namespace std.
1130         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1131         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1132         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1133         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1134         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1135         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1136         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1137         * testsuite/20_util/duration/cons/1.cc: Likewise.
1138         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1139         * testsuite/20_util/duration/cons/2.cc: Likewise.
1140         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1141         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1142         * testsuite/20_util/duration/requirements/explicit_instantiation/
1143         explicit_instantiation.cc: Likewise.
1144         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1145         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1146         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1147         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1148         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1149         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1150         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1151         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1152         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1153         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1154         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1155         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1156         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1157         * testsuite/20_util/system_clock/1.cc: Likewise.
1158         * testsuite/20_util/time_point/1.cc: Likewise.
1159         * testsuite/20_util/time_point/2.cc: Likewise.
1160         * testsuite/20_util/time_point/3.cc: Likewise.
1161         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1162         explicit_instantiation.cc: Likewise.
1163         * testsuite/21_strings/basic_string/requirements/
1164         explicit_instantiation/char16_t/1.cc: Likewise.
1165         * testsuite/21_strings/basic_string/requirements/
1166         explicit_instantiation/char32_t/1.cc: Likewise.
1167         * testsuite/21_strings/basic_string_view/requirements/
1168         explicit_instantiation/char16_t/1.cc: Likewise.
1169         * testsuite/21_strings/basic_string_view/requirements/
1170         explicit_instantiation/char32_t/1.cc: Likewise.
1171         * testsuite/21_strings/char_traits/requirements/
1172         explicit_instantiation/char16_t/1.cc: Likewise.
1173         * testsuite/21_strings/char_traits/requirements/
1174         explicit_instantiation/char32_t/1.cc: Likewise.
1175         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1176         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1177         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1178         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1179         Likewise.
1180         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1181         Likewise.
1182         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1183         Likewise.
1184         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1185         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1186         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1187         Likewise.
1188         * testsuite/experimental/string_view/requirements/
1189         explicit_instantiation/char16_t/1.cc: Likewise.
1190         * testsuite/experimental/string_view/requirements/
1191         explicit_instantiation/char32_t/1.cc: Likewise.
1192         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1193         1.cc: Likewise.
1194         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1195         1.cc: Likewise.
1197         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1198         (random_condition, throw_value_random, throw_allocator_random)
1199         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1200         not usable.
1201         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1202         define transactional memory support when <stdint.h> is not usable.
1204         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1205         implementation that doesn't depend on <stdint.h> types.
1206         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1207         std::size_t when std::uintptr_t is not usable.
1208         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1209         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1210         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1212         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1213         (hash<u16string>, hash<u32string>): Remove dependency on
1214         _GLIBCXX_USE_C99_STDINT_TR1.
1215         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1216         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1217         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1218         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1219         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1220         (codecvt<char16_t, char, mbstate_t>)
1221         (codecvt<char32_t, char, mbstate_t>)
1222         (codecvt_byname<char16_t, char, mbstate_t>)
1223         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1224         on _GLIBCXX_USE_C99_STDINT_TR1.
1225         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1226         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1227         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1228         (char_traits<char16_t>, char_traits<char32_t>)
1229         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1230         on _GLIBCXX_USE_C99_STDINT_TR1.
1231         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1232         (u16string_view, u32string_view, hash<u16string_view>)
1233         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1234         (operator""sv(const char32_t, size_t)): Likewise.
1235         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1236         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1237         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1238         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1239         (__u32sso_string, __u32rc_string): Likewise.
1240         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1241         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1242         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1243         (u16string_view, u32string_view, hash<u16string_view>)
1244         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1245         (operator""sv(const char32_t, size_t)): Likewise.
1246         * src/c++11/codecvt.cc: Likewise.
1247         * src/c++98/locale_init.cc: Likewise.
1248         * src/c++98/localename.cc: Likewise.
1250         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1251         (__atomic_futex_unsigned_base): Remove dependency on
1252         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1253         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1254         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1255         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1256         (uintmax_t): Define using predefined macros.
1257         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1258         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1259         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1260         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1261         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1262         long long when <stdint.h> is not usable.
1263         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1264         (condition_variable, condition_variable_any): Remove dependency on
1265         _GLIBCXX_USE_C99_STDINT_TR1.
1266         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1267         (packaged_task, async): Likewise.
1268         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1269         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1270         (once_flag, call_once): Likewise.
1271         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1272         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1273         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1274         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1275         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1276         (this_thread::sleep_until): Likewise.
1277         * src/c++11/chrono.cc: Remove dependency on
1278         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1279         * src/c++11/condition_variable.cc: Likewise.
1280         * src/c++11/futex.cc: Likewise.
1281         * src/c++11/future.cc: Likewise.
1282         * src/c++11/mutex.cc: Likewise.
1283         * src/c++11/thread.cc: Likewise.
1284         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1285         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1286         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1287         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1288         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1289         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1291 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1293         PR libstdc++/77691
1294         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1295         xfail execution on 32-bit Solaris/x86.
1297 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1299         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1300         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1301         (vector::_M_move_assign): Reorder the swaps.
1303 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1305         PR libstdc++/86676
1306         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1307         same alignment for post-release allocation.
1309 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1311         PR libstdc++/86676
1312         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1313         buffer being misaligned and so returned pointer not being at start.
1315         * include/experimental/memory_resource: Include <cstddef> header.
1317         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1318         * src/Makefile.am: Add comment.
1319         * src/c++17/Makefile.in: Regenerate.
1321         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1322         * include/Makefile.in: Regenerate.
1323         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1324         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1325         (unique_lock): Move definition to ...
1326         * include/bits/unique_lock.h: New header.
1327         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1328         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1329         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1330         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1331         * include/std/condition_variable: Include <bits/unique_lock.h>.
1332         * include/std/mutex: Likewise.
1334 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1336         * config/abi/pre/gnu.ver: Export new symbols.
1337         * configure: Regenerate.
1338         * include/Makefile.am: Add new <memory_resource> header.
1339         * include/Makefile.in: Regenerate.
1340         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1341         * include/std/memory_resource: New header.
1342         (memory_resource, polymorphic_allocator, new_delete_resource)
1343         (null_memory_resource, set_default_resource, get_default_resource)
1344         (pool_options, monotonic_buffer_resource): Define.
1345         * src/Makefile.am: Add c++17 directory.
1346         * src/Makefile.in: Regenerate.
1347         * src/c++11/Makefile.am: Fix comment.
1348         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1349         * src/c++17/Makefile.in: Generate.
1350         * src/c++17/memory_resource.cc: New.
1351         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1352         (default_res, new_delete_resource, null_memory_resource)
1353         (set_default_resource, get_default_resource): Define.
1354         * testsuite/20_util/memory_resource/1.cc: New test.
1355         * testsuite/20_util/memory_resource/2.cc: New test.
1356         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1357         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1358         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1359         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1360         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1361         New test.
1362         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1363         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1364         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1365         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1366         Define concrete memory resource for testing.
1367         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1368         default resource.
1370         PR libstdc++/86658
1371         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1372         parameter by reference, to avoid copying invalid iterators.
1373         * testsuite/25_algorithms/copy/86658.cc: New test.
1375         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1376         local variables for number of digits instead of type aliases.
1377         (__log2p1): Remove redundant branch also checked in __countl_zero.
1379         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1380         conditions. Add comments.
1381         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1382         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1383         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1385         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1386         (__uses_allocator_helper): Check conditions directly instead of
1387         using __is_erased_or_convertible.
1389         * include/experimental/memory_resource: Adjust comments and
1390         whitespace.
1391         (__resource_adaptor_imp): Add second template parameter for type of
1392         memory resource base class.
1393         (memory_resource): Define default constructor, destructor, copy
1394         constructor and copy assignment operator as defaulted.
1396         PR libstdc++/70966
1397         * include/experimental/memory_resource (__get_default_resource): Use
1398         placement new to create an object with dynamic storage duration.
1400 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1402         PR libstdc++/70940
1403         * include/experimental/memory_resource
1404         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1405         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1406         give maximum alignment an allocator guarantees. Specialize for known
1407         allocators using new and malloc.
1408         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1409         (__resource_adaptor_imp::do_deallocate): Likewise.
1410         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1411         Check that new and delete are called with expected sizes.
1413 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1415         PR libstdc++/86595
1416         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1417         noexcept.
1419 2018-07-20  Fangrui Song  <maskray@google.com>
1421         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1422         _GLIBCXX_VISIBILITY(default).
1424 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1426         PR libstdc++/86603
1427         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1429 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1431         * include/std/type_traits (__is_member_object_pointer_helper): Use
1432         __not_<is_function<_Tp>>::type instead of integral_constant.
1433         (__is_member_function_pointer_helper): Likewise for
1434         is_function<_Tp>::type.
1435         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1436         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1437         (is_trivially_constructible): Remove redundant use of
1438         is_constructible.
1439         (__is_trivially_copy_assignable_impl): Remove redundant use of
1440         is_copy_assignable.
1441         (__is_trivially_move_assignable_impl): Remove redundant use of
1442         is_move_assignable.
1443         (is_trivially_destructible): Use __bool_constant.
1444         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1445         tests for scalar types.
1447 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1449         * include/bits/stl_algobase.h (__copy_move_a): Used
1450         __is_trivially_copyable.
1451         (__copy_move_backward_a): Likewise.
1452         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1453         New test.
1455 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1457         PR libstdc++/86450
1458         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1459         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1460         * configure: Regenerate.
1461         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1462         * doc/Makefile.in: Regenerate.
1463         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1464         * include/Makefile.in: Regenerate.
1465         * libsupc++/Makefile.in: Regenerate.
1466         * po/Makefile.in: Regenerate.
1467         * python/Makefile.in: Regenerate.
1468         * src/Makefile.in: Regenerate.
1469         * src/c++11/Makefile.in: Regenerate.
1470         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1471         from -Wabi=2 that don't affect exported symbols.
1472         * src/c++98/Makefile.in: Regenerate.
1473         * src/filesystem/Makefile.in: Regenerate.
1474         * testsuite/Makefile.in: Regenerate.
1476         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1477         (_Async_state_common::_M_join): Simplify use of std::call_once and
1478         corresponding explicit instantiation.
1479         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1480         (__bind_simple): Remove definitions and explicit instantiation that
1481         are not required by exported symbols.
1483 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1485         * scripts/create_testsuite_files: Fix typo in comment.
1487         PR libstdc++/86537
1488         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1489         non-standard partial specialization.
1490         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1491         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1492         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1494 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1496         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1497         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1498         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1500 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1502         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1503         * include/debug/string (__gnu_debug::__check_string): ... here.
1504         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1505         (__glibcxx_check_string_n_constructor): New.
1506         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1507         Use latter.
1508         (__glibcxx_check_string_constructor): New.
1509         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1510         Use latter.
1511         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1512         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1514 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1516         PR libstdc++/84928 use std::move in <numeric> algorithms
1517         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1518         conditionally move, according to __cplusplus value.
1519         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1520         _GLIBCXX_MOVE_IF_20.
1521         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1522         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1523         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1524         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1526         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1528         P0935R0 Eradicating unnecessarily explicit default constructors
1529         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1530         default constructor symbols.
1531         * include/std/sstream (basic_stringbuf, basic_istringstream)
1532         (basic_ostringstream, basic_stringstream): Remove default arguments
1533         from explicit constructors taking ios_base::openmode and add separate
1534         non-explicit default constructors.
1535         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1536         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1537         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1538         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1539         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1541         * include/std/variant (__accepted_index): Use void_t.
1543 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1545         PR libstdc++/85831
1546         * config/abi/pre/gnu.ver: Export move constructors and move
1547         assignment operators for std::logic_error and std::runtime_error.
1548         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1549         _GLIBCXX_USE_NOEXCEPT.
1550         (logic_error, runtime_error): Declare move constructors and move
1551         assignment operators. When not declared already, define copy
1552         constructors and copy assignment operators as explicit-defaulted.
1553         (domain_error, invalid_argument, length_error, out_of_range)
1554         (overflow_error, underflow_error): Define move constructors and move
1555         assignment operators as explicitly-defaulted.
1556         * libsupc++/exception.h (exception): Likewise.
1557         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
1558         move constructors and move assignment operators as defaulted.
1559         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
1560         assignment operators are defined.
1562         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
1563         COW strings.
1564         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1565         Likewise.
1566         * testsuite/21_strings/basic_string/requirements/
1567         explicit_instantiation/debug.cc: Likewise.
1569         PR libstdc++/58265
1570         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1571         (basic_string::assign(basic_string&&)): Add conditional noexcept
1572         depending on the allocator's is_always_equal property (LWG 2063).
1573         * testsuite/21_strings/basic_string/modifiers/assign/char/
1574         move_assign.cc: Check for non-throwing exception specification.
1575         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
1576         move_assign.cc: Likewise.
1578         PR libstdc++/58265
1579         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1580         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
1581         Add GLIBCXX_NOEXCEPT.
1582         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
1583         to depend on the allocator's is_always_equal property (LWG 2063).
1584         (basic_string::swap(basic_string&)): Likewise.
1585         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
1586         (basic_string::swap(basic_string&)): Likewise.
1587         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1588         Check is_nothrow_move_assignable.
1589         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1590         Check is_nothrow_move_assignable.
1591         * testsuite/21_strings/basic_string/cons/char/
1592         noexcept_move_construct.cc: Likewise.
1593         * testsuite/21_strings/basic_string/cons/wchar_t/
1594         noexcept_move_construct.cc: Likewise.
1596 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1598         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1599         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
1600         Define.
1601         (forward_list::__remove_return_type): Define typedef as size_type or
1602         void, according to __cplusplus value.
1603         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1604         empty, according to __cplusplus value.
1605         (forward_list::remove, forward_list::unique): Use typedef and macro
1606         to change return type and add abi-tag for C++2a.
1607         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
1608         typedef to change return type for C++2a.
1609         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
1610         (forward_list::remove, forward_list::remove_if<Pred>)
1611         (forward_list::unique<BinPred>): Return number of removed elements
1612         for C++2a.
1613         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
1614         (list::remove, list::unique, list::remove_if<Predicate>)
1615         (list::unique<BinaryPredicate>): Return number of removed elements
1616         for C++2a.
1617         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
1618         (list::__remove_return_type): Define typedef as size_type or
1619         void, according to __cplusplus value.
1620         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1621         empty, according to __cplusplus value.
1622         (list::remove, list::unique): Use typedef and macro to change return
1623         type and add abi-tag for C++2a.
1624         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
1625         typedef to change return type for C++2a.
1626         * include/std/version (__cpp_lib_list_remove_return_type): Define.
1627         * testsuite/23_containers/forward_list/operations/
1628         remove_cxx20_return.cc: New.
1629         * testsuite/23_containers/forward_list/operations/
1630         unique_cxx20_return.cc: New.
1632         P0458R2 Checking for Existence of an Element in Associative Containers
1633         * include/bits/stl_map.h (map::contains): Add for C++2a.
1634         * include/bits/stl_multimap.h (multimap::contains): Likewise.
1635         * include/bits/stl_multiset.h (multiset::contains): Likewise.
1636         * include/bits/stl_set.h (set::contains): Likewise.
1637         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
1638         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
1639         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
1640         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
1641         * include/bits/unordered_map.h (unordered_map::contains)
1642         (unordered_multimap::contains): Add for C++2a.
1643         * include/bits/unordered_set.h (unordered_set::contains)
1644         (unordered_multiset::contains): Likewise.
1645         * testsuite/23_containers/map/operations/contains.cc: New.
1646         * testsuite/23_containers/multimap/operations/contains.cc: New.
1647         * testsuite/23_containers/multiset/operations/contains.cc: New.
1648         * testsuite/23_containers/set/operations/contains.cc: New.
1649         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
1650         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
1651         New.
1652         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
1653         New.
1654         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
1656 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
1658         PR libstdc++/86272
1659         * include/debug/string
1660         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
1661         Use __glibcxx_check_insert_range.
1662         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
1663         __gnu_debug::string when _GLIBCXX_DEBUG.
1664         * 21_strings/basic_string/init-list.cc: Likewise.
1665         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
1666         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
1667         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
1668         * 21_strings/basic_string/types/1.cc: Likewise.
1670 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1672         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
1673         target for std::random_device.
1674         * testsuite/26_numerics/random/random_device/cons/default.cc:
1675         Likewise.
1676         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1677         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1678         * testsuite/experimental/random/randint.cc: Likewise.
1679         * testsuite/lib/libstdc++.exp
1680         (check_effective_target_random_device): New proc.
1682 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1683             Jakub Jelinek  <jakub@redhat.com>
1685         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
1687 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1689         PR libstdc++/86398
1690         * include/std/type_traits (is_trivially_constructible): Check
1691         is_constructible before __is_trivially_constructible.
1692         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
1693         tests, including negative cases.
1694         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
1695         zero for dg-error lineno.
1696         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
1697         Likewise.
1699         * include/std/bit (__rotl, __rotr): Avoid branch.
1700         (_If_is_unsigned_integer): Use remove_cv_t.
1701         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
1703 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
1705         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
1706         * include/Makefile.am: Add new header.
1707         * include/Makefile.in: Regenerate.
1708         * include/precompiled/stdc++.h: Include new header.
1709         * include/std/bit: New header.
1710         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
1711         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
1712         Define for C++14.
1713         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
1714         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
1715         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
1716         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
1717         std::byte.
1718         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
1719         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
1720         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
1721         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
1722         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
1723         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
1724         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
1725         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
1726         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
1727         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
1729         * include/bits/alloc_traits.h: Remove redundant preprocessor
1730         condition.
1732 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
1734         * include/bits/stl_algobase.h (__niter_wrap): New.
1735         (__copy_move_a2(_II, _II, _OI)): Use latter.
1736         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
1737         (fill_n(_OI, _Size, const _Tp&)): Likewise.
1738         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
1739         * include/debug/stl_iterator.h
1740         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
1741         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
1742         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
1743         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
1745 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
1747         P0758R1 Implicit conversion traits
1748         * include/std/type_traits [__cplusplus > 201703]
1749         (__is_convertible_helper::__is_nothrow_type): Define new member.
1750         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
1751         noexcept.
1752         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
1753         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
1754         new members.
1755         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
1756         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
1757         * testsuite/20_util/is_nothrow_convertible/requirements/
1758         explicit_instantiation.cc: New.
1759         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
1760         New.
1762         P0887R1 The identity metafunction
1763         * include/std/type_traits (type_identity, type_identity_t): Define
1764         for C++2a.
1765         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
1766         * testsuite/20_util/type_identity/requirements/
1767         explicit_instantiation.cc:New.
1768         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
1770         * include/bits/regex.h (sub_match::operator string_type): Call str().
1771         (sub_match::compare): Use _M_str() instead of str().
1772         (sub_match::_M_compare): New public function.
1773         (sub_match::__string_view): New helper type.
1774         (sub_match::_M_str): New overloaded functions to avoid creating a
1775         string_type object when not needed.
1776         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1777         Use sub_match::_M_compare instead of creating string_type objects.
1778         Fix Doxygen comments.
1779         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
1780         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
1781         simplify.
1782         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
1783         __enable_if_t.
1784         * include/std/type_traits (__enable_if_t): Define for C++11.
1785         * testsuite/28_regex/sub_match/compare.cc: New.
1786         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
1787         trait.
1788         (input_iterator_wrapper): Use remove_cv for value_type argument of
1789         std::iterator base class.
1791 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
1793         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
1794         Add whitespace to dejagnu directive.
1795         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
1797 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
1799         * include/bits/stl_vector.h
1800         (struct _Vector_base<>::_Vector_impl_data): New.
1801         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
1802         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
1803         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
1804         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
1805         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
1806         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
1807         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
1808         (_Vector_base()): Default.
1809         (_Vector_base(_Vector_base&&)): Default.
1810         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
1811         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
1812         (_Vector_base::_M_create_storage(size_t)): Make protected.
1813         (vector()): Default.
1814         (vector(vector&&)): Default.
1815         (vector(vector&&, const allocator_type&, true_type)): New.
1816         (vector(vector&&, const allocator_type&, false_type)): New.
1817         (vector(vector&&, const allocator_type&)): Use latters.
1818         (vector(_InputIte, _InputIte, const allocator_type&)): Call
1819         _M_range_initialize directly.
1820         * include/debug/vector
1821         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
1822         * testsuite/23_containers/vector/allocator/default_init.cc: New.
1823         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
1824         static assertions.
1826 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
1828         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
1829         (__is_byte<byte>): Define specialization for std::byte.
1831         PR libstdc++/86138
1832         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
1833         Declare explicit instantiations of COW empty reps and I/O functions.
1835 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
1837         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
1838         directives.
1839         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1841 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
1843         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
1844         noexcept.
1846 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
1848         PR libstdc++/86112
1849         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1850         Replace dict comprehension.
1852         PR libstdc++/81092
1853         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1855         PR libstdc++/86292
1856         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
1857         Add try-catch block.
1858         * testsuite/23_containers/vector/cons/86292.cc: New.
1860         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
1862         * include/experimental/algorithm (sample, shuffle): Add new overloads
1863         using per-thread random number engine.
1864         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
1865         dependencies by using __gnu_test::test_container.
1866         * testsuite/experimental/algorithm/sample-2.cc: New.
1867         * testsuite/experimental/algorithm/shuffle.cc: New.
1869 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
1871         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
1872         different size_t mangling on 32-bit targets.
1874         PR libstdc++/86280
1875         * include/experimental/memory_resource
1876         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
1877         enough for result of left shift.
1879         PR libstdc++/86138
1880         * include/bits/basic_string.tcc:
1881         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
1882         (basic_string<char>::_Rep::_S_empty_rep_storage)
1883         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
1884         instantiation declarations.
1885         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
1886         explicit instantiation declarations.
1887         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
1888         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
1890 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
1892         PR libstdc++/83328
1893         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
1894         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
1895         * configure: Regenerate.
1896         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1897         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
1898         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
1899         (basic_string::insert(iterator, initializer_list<C>)): Suppress
1900         definition.
1901         * include/debug/string (basic_string::insert(iterator, C)): Change
1902         first parameter to const_iterator.
1903         (basic_string::insert(iterator, size_type, C)): Likewise. Change
1904         return type to iterator.
1905         (basic_string::insert(iterator, InputIterator, InputIterator)):
1906         Likewise.
1907         (basic_string::insert(iterator, initializer_list<C>)): Change first
1908         parameter to const_iterator and return type to iterator.
1909         * src/c++11/string-inst.cc: Extend comment.
1910         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
1911         New.
1912         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
1913         New.
1914         * testsuite/util/testsuite_abi.cc: Add new symbol version.
1916         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1918         PR libstdc++/70940
1919         * include/experimental/memory_resource
1920         (__resource_adaptor_imp::do_deallocate): Add missing return.
1921         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
1922         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
1923         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
1924         __gnu_cxx::malloc_allocator.
1926         PR libstdc++/70940
1927         * include/experimental/memory_resource (__resource_adaptor_common):
1928         New base class.
1929         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
1930         pointer from unaligned, and vice versa.
1931         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
1932         allocated pointer to meet alignment request.
1933         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
1934         original pointer for deallocation.
1935         (__resource_adaptor_imp::do_is_equal): Reformat.
1936         (__resource_adaptor_imp::_S_aligned_size): Remove.
1937         (__resource_adaptor_imp::_S_supported): Remove.
1938         (new_delete_resource): Use __gnu_cxx::new_allocator.
1939         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
1940         extended alignments and use debug_allocator to check for matching
1941         allocate/deallocate pairs.
1943 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
1945         * include/debug/safe_iterator.h
1946         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
1947         Compare __x base iterator with a value-initialized iterator of the
1948         same type.
1950 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
1952         PR libstdc++/70966
1953         * include/experimental/memory_resource (__resource_adaptor_imp): Add
1954         static assertions to enforce requirements on pointer types.
1955         (__resource_adaptor_imp::get_allocator()): Add noexcept.
1956         (new_delete_resource, null_memory_resource): Return address of an
1957         object with dynamic storage duration.
1958         (__null_memory_resource): Remove.
1959         * testsuite/experimental/memory_resource/70966.cc: New.
1961         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
1962         missed from recent commit.
1964 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
1966         * include/std/utility: Remove unused <exception> header.
1968 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
1970         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
1971         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
1972         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
1973         a specialization of std::pair.
1974         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
1975         pair elements are constructed correctly.
1977         LWG 2989 hide path iostream operators from normal lookup
1978         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
1979         friends.
1980         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
1982         LWG 3050 Fix cv-qualification of convertibility constraints
1983         * include/std/chrono (duration, operator*, operator/, operator%): Use
1984         const-qualified type as source type in is_convertible constraints.
1985         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
1986         * testsuite/20_util/duration/cons/dr3050.cc: New.
1987         * testsuite/20_util/duration/literals/range.cc: Rename to...
1988         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
1989         dg-error lineno.
1991 2018-06-18  Maya Rashish  <coypu@sdf.org>
1993         * crossconfig.m4: Handle OpenBSD just like NetBSD.
1994         * configure: Rebuilt.
1996 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
1998         P0754R2 <version> header
1999         * include/Makefile.am: Add new header.
2000         * include/Makefile.in: Regenerate.
2001         * include/bits/c++config: Change doxygen comment to suggest <version>
2002         instead of <iosfwd>.
2003         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2004         unconditionally.  Add C++17 and C++20 headers.
2005         * include/std/version: New header.
2006         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2007         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2008         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2009         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2010         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2011         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2012         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2013         New.
2014         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2015         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2016         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2017         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2018         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2019         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2020         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2021         New.
2022         * testsuite/18_support/headers/version/macros.cc: New.
2023         * testsuite/18_support/headers/version/macros.cc: New.
2025         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2026         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2027         symlink.
2028         * config.h.in: Regenerate.
2029         * configure: Regenerate.
2030         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2032         LWG 3035. std::allocator's constructors should be constexpr
2033         * include/bits/allocator.h (allocator): Add constexpr to constructors
2034         for C++2a. Replace dynamic exception specifications with NOTHROW
2035         macro.
2036         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2037         NOTHROW.
2038         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2039         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2040         to constructors for C++2a.
2041         * include/ext/new_allocator.h (new_allocator): Likewise.
2043 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2045         LWG 3076 basic_string CTAD ambiguity
2046         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2047         * include/bits/basic_string.h
2048         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2049         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2050         template constrained by _RequireAllocator.
2051         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2052         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2053         Define.
2054         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2055         deduction
2056         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2057         Likewise.
2059 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2061         PR libstdc++/86169
2062         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2063         (basic_string::data()): Unshare string.
2064         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2065         New.
2067         * include/std/string_view (basic_string_view(const CharT*)): Remove
2068         check for null pointer and add nonnull attribute.
2069         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2070         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2071         (find_first_of(const CharT*, size_type))
2072         (find_last_of(const CharT*, size_type))
2073         (find_first_not_of(const CharT*, size_type))
2074         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2075         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2076         * testsuite/21_strings/basic_string_view/operations/compare/char/
2077         nonnull.cc: New.
2078         * testsuite/21_strings/basic_string_view/operations/find/char/
2079         nonnull.cc: New.
2080         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2081         nonnull.cc: New.
2083         PR libstdc++/86168
2084         * include/bits/random.h (random_device(const string&)): Remove
2085         default argument.
2087         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2088         define for C++17 and above.
2090         LWG 2993 reference_wrapper<T> conversion from T&&
2091         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2092         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2093         (reference_wrapper(_Tp&&)): Remove.
2094         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2095         template.
2096         (reference_wrapper): Add deduction guide.
2097         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2098         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2100         LWG 3039 Unnecessary decay in thread and packaged_task
2101         * include/std/future (__constrain_pkgdtask): Replace with ...
2102         (packaged_task::__not_same): New alias template, using
2103         __remove_cvref_t instead of decay.
2104         * include/std/thread (thread::__not_same): Add comment.
2106 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2108         LWG 3075 basic_string needs deduction guides from basic_string_view
2109         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2110         deduction from string views.
2111         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2112         Likewise.
2114         LWG 3074 make scalar types non-deduced in valarray non-member functions
2115         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2116         scalar parameters to be a non-deduced context.
2117         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2118         whitespace.
2119         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2120         * testsuite/26_numerics/valarray/transcend.cc: New.
2122         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2123         Move back to <utility>.
2124         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2125         Restore to here.
2127         P0935R0 Eradicating unnecessarily explicit default constructors
2128         * include/backward/strstream (strstreambuf): Add non-explicit default
2129         constructor.
2130         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2131         Likewise.
2132         * include/bits/regex.h (match_results): Likewise.
2133         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2134         default constructor.
2135         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2136         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2137         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2139         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2140         macro from <utility> and change type to long.
2141         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2142         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2143         macro.
2145         P0935R0 Eradicating unnecessarily explicit default constructors
2146         * include/bits/random.h (uniform_real_distribution::param_type)
2147         (normal_distribution::param_type, lognormal_distribution::param_type)
2148         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2149         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2150         (student_t_distribution::param_type)
2151         (bernoulli_distribution::param_type)
2152         (binomial_distribution::param_type)
2153         (geometric_distribution::param_type)
2154         (negative_binomial_distribution::param_type)
2155         (poisson_distribution::param_type)
2156         (exponential_distribution::param_type)
2157         (weibull_distribution::param_type)
2158         (extreme_value_distribution::param_type): Add non-explicit default
2159         constructors. Remove default argument for first parameter of explicit
2160         constructors.
2161         * include/bits/uniform_int_dist.h
2162         (uniform_int_distribution::param_type): Likewise.
2163         * include/ext/random
2164         (beta_distribution::param_type, rice_distribution::param_type)
2165         (nakagami_distribution::param_type, pareto_distribution::param_type)
2166         (k_distribution::param_type, arcsine_distribution::param_type)
2167         (hoyt_distribution::param_type, triangular_distribution::param_type)
2168         (von_mises_distribution::param_type)
2169         (hypergeometric_distribution::param_type)
2170         (logistic_distribution::param_type)
2171         (uniform_inside_sphere_distribution::param_type): Likewise.
2172         (uniform_on_sphere_distribution::param_type): Make default constructor
2173         non-explicit.
2174         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2175         Test param_type for non-explicit default constructor.
2176         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2177         Likewise.
2178         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2179         Likewise.
2180         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2181         Likewise.
2182         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2183         Likewise.
2184         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2185         Likewise.
2186         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2187         Likewise.
2188         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2189         Likewise.
2190         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2191         Likewise.
2192         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2193         Likewise.
2194         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2195         Likewise.
2196         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2197         Likewise.
2198         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2199         Likewise.
2200         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2201         Likewise.
2202         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2203         Likewise.
2204         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2205         Likewise.
2206         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2207         Likewise.
2208         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2209         Likewise.
2210         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2211         Likewise.
2212         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2213         Likewise.
2214         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2215         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2216         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2217         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2218         Likewise.
2219         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2220         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2221         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2222         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2223         Likewise.
2224         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2225         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2226         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2227         Likewise.
2228         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2229         Likewise.
2230         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2231         Likewise.
2232         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2233         Likewise.
2235 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2236             Jonathan Wakely  <jwakely@redhat.com>
2238         PR libstdc++/83982
2239         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2240         Default-construct new elements before moving existing ones.
2241         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2242         New.
2244 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2246         PR libstdc++/86127
2247         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2248         unused typedef.
2249         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2250         Use node allocator to create and destroy elements.
2251         (forward_list::_Tp_alloc_type): Remove unused typedef.
2252         (forward_list::_Alloc_traits): Use allocator_traits instead of
2253         __gnu_cxx::__alloc_traits.
2255 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2257         * include/debug/helper_functions.h
2258         (__gnu_debug::_Safe_iterator<>): Add declaration.
2259         (__can_advance(_Ite, _Size)): New.
2260         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2261         * include/debug/functions.h
2262         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2263         * include/debug/stl_iterator.h
2264         (__can_advance(const _Safe_iterator<>&)): New definition.
2265         * include/debug/stl_iterator.h
2266         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2267         (__can_advance(const std::move_iterator<>&, _Size)): New.
2268         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2269         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2270         * include/bits/stl_algobase.h (fill_n): Use latter.
2271         * testsuite/25_algorithms/fill_n/2.cc: New.
2272         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2273         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2274         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2275         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2277         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2278         (__glibcxx_requires_can_decrement_range): New.
2280 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2282         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2283         (__glibcxx_check_can_decrement_range): New.
2284         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2285         __glibcxx_requires_can_increment_range.
2286         (std::move(_II, _II, _OI)): Likewise.
2287         (std::copy_backward(_BI, _BI, _BI2)): Use
2288         __glibcxx_requires_can_decrement_range.
2289         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2290         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2291         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2292         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2293         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2294         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2295         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2297 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2299         P0935R0 Eradicating unnecessarily explicit default constructors
2300         * include/bits/random.h (linear_congruential_engine)
2301         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2302         (uniform_real_distribution, normal_distribution)
2303         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2304         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2305         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2306         (negative_binomial_distribution, exponential_distribution)
2307         (weibull_distribution, extreme_value_distribution): Add non-explicit
2308         default constructors. Remove default argument for first parameter of
2309         explicit constructors.
2310         (piecewise_constant_distribution, piecewise_linear_distribution):
2311         Make default constructor non-explicit.
2312         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2313         non-explicit default constructors. Remove default argument for first
2314         parameter of explicit constructor.
2315         * include/ext/random
2316         (simd_fast_mersenne_twister_engine, beta_distribution)
2317         (rice_distribution, nakagami_distribution, pareto_distribution)
2318         (k_distribution, arcsine_distribution, hoyt_distribution)
2319         (triangular_distribution, von_mises_distribution)
2320         (hypergeometric_distribution, logistic_distribution)
2321         (uniform_inside_sphere_distribution): Likewise.
2322         (uniform_on_sphere_distribution): Make default constructor
2323         non-explicit.
2324         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2325         Test for non-explicit default constructor. Fix references to standard.
2326         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2327         Likewise.
2328         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2329         Likewise.
2330         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2331         Likewise.
2332         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2333         Likewise.
2334         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2335         Likewise.
2336         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2337         Likewise.
2338         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2339         Likewise.
2340         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2341         Likewise.
2342         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2343         Likewise.
2344         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2345         Likewise.
2346         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2347         Likewise.
2348         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2349         Likewise.
2350         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2351         Likewise.
2352         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2353         Likewise.
2354         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2355         Likewise.
2356         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2357         Likewise.
2358         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2359         Likewise.
2360         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2361         Likewise.
2362         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2363         Likewise.
2364         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2365         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2366         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2367         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2368         Likewise.
2369         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2370         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2371         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2372         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2373         Likewise.
2374         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2375         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2376         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2377         Likewise.
2378         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2379         Likewise.
2380         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2381         Likewise.
2382         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2383         Likewise.
2384         * testsuite/util/testsuite_common_types.h
2385         (implicitly_default_constructible): New helper.
2387 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2389         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2390         (ios::Init::operator=): Define as defaulted.
2391         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2392         Likewise.
2393         * include/bits/stream_iterator.h (istream_iterator::operator=)
2394         (ostream_iterator::operator=): Likewise.
2395         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2396         Likewise.
2397         * include/std/bitset (bitset::reference::reference(const reference&)):
2398         Likewise.
2399         * include/std/complex (complex<float>::complex(const complex&))
2400         (complex<double>::complex(const complex&))
2401         (complex<long double>::complex(const complex&)): Likewise.
2403 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2405         * include/bits/regex.h (sub_match): Add noexcept to default
2406         constructor and length observer.
2407         (match_results): Add noexcept to default constructor and observers
2408         with no preconditions. Define destructor as defaulted.
2409         (operator==, operator!=, swap): Add noexcept.
2410         (regex_iterator): Add default member initializers and define default
2411         constructor and destructor as defaulted. Add noexcept to equality
2412         and dereference operators.
2414 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2416         * src/c++11/debug.cc
2417         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2418         (_Safe_iterator_base::_M_detach_single()): Likewise.
2419         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2420         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2422 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2424         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2425         move of const value.
2427 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2429         PR c++/86068
2430         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2431         rather than __cpp_transactional_memory >= 201505L.
2433 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2435         PR libstdc++/86008
2436         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2437         Define new partial specialization.
2438         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2439         new overload.
2440         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2441         value not reference for iteration.
2442         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2443         comment.
2444         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2445         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2446         comment.
2448 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2450         * include/std/type_traits: Fix comment typos.
2452         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2453         mingw* targets.
2454         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2455         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2456         Likewise.
2458 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2460         * include/bits/stl_tempbuf.h
2461         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2462         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2463         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2464         * include/bits/stl_algo.h (__stable_partition): Adapt.
2465         (__inplace_merge): Adapt.
2466         (__stable_sort): Adapt.
2468 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2470         PR libstdc++/85930
2471         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2472         unconditionally. Remove redundant declaration.
2473         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2474         alignment-specifier.
2476         * include/bits/postypes.h (fpos): Define special members as defaulted.
2478         PR libstdc++/85930
2479         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2480         the static variable correctly.
2482 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2484         PR libstdc++/78870 support std::filesystem on Windows
2485         * config.h.in: Regenerate.
2486         * configure: Regenerate.
2487         * configure.ac: Check for link, readlink and symlink.
2488         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2489         definition out of class body.
2490         (path::is_absolute(), path::_M_append(path)): Likewise.
2491         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2492         (operator>>(basic_istream, path&)): Likewise.
2493         (u8path): Reorder definitions and fix Windows implementation.
2494         (path::is_absolute()): Define inline and fix for Windows.
2495         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2496         Define POSIX version inline.
2497         (path::_M_append(path)): Define inline.
2498         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2499         definition out of class body.
2500         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2501         escape characters.
2502         (operator>>(basic_istream, path&)): Likewise.
2503         (path::is_absolute()): Define inline and fix for Windows.
2504         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2505         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2506         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2507         Define as adaptors for Windows functions/types or as
2508         using-declarations for POSIX functions/types.
2509         (_Dir_base, get_file_type): Qualify names to use declarations from
2510         __gnu_posix namespace.
2511         (_Dir_base::is_dor_or_dotdot): New helper functions.
2512         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2513         names to use declarations from __gnu_posix namespace.
2514         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2515         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2516         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2517         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2518         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2519         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2520         Define as adaptors for Windows functions/types or as
2521         using-declarations for POSIX functions/types.
2522         (stat_type, do_copy_file): Qualify names to use declarations from
2523         __gnu_posix namespace.
2524         (do_space): Declare new function.
2525         (make_file_type): Only use S_ISLNK if defined.
2526         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2527         path::value_type not char.
2528         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2529         names to use declarations from __gnu_posix namespace.
2530         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2531         add implementation for Windows.
2532         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2533         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2534         [!_PC_PATH_MAX]: Don't use pathconf.
2535         [PATH_MAX]: Use if defined.
2536         (filesystem::current_path(const path&, error_code&))
2537         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2538         (filesystem::last_write_time, filesystem::permissions): Use names
2539         from __gnu_posix.
2540         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2541         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2542         implementation for Windows.
2543         (filesystem::rename, filesystem::resize_file): Use names from
2544         __gnu_posix.
2545         (filesystem::space): Use do_space.
2546         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2547         (filesystem::status, filesystem::symlink_status): Use names from
2548         __gnu_posix.
2549         (filesystem::temp_directory_path): Add implementation for Windows.
2550         * src/filesystem/path.cc (dot): Define constant.
2551         (path::replace_extension): Use dot.
2552         (path::_M_find_extension): Likewise. Use path::string_type not
2553         std::string.
2554         (path::_M_split_cmpts): Use dot.
2555         (filesystem_error::_M_get_what): Use u8string() not native().
2556         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
2557         Qualify names to use declarations from __gnu_posix namespace.
2558         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
2559         correct error_code.
2560         (filesystem::absolute(const path&, error_code&)): Add implementation
2561         for Windows.
2562         (char_ptr, filesystem::canonical): Use path::value_type not char.
2563         (do_copy_file): Use names from __gnu_posix.
2564         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
2565         sendfile.
2566         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2567         names to use declarations from __gnu_posix namespace.
2568         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2569         add implementation for Windows.
2570         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2571         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2572         [!_PC_PATH_MAX]: Don't use pathconf.
2573         [PATH_MAX]: Use if defined.
2574         (filesystem::current_path(const path&, error_code&))
2575         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2576         (filesystem::last_write_time, filesystem::permissions): Use names
2577         from __gnu_posix.
2578         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2579         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2580         implementation for Windows.
2581         (filesystem::rename, filesystem::resize_file): Use names from
2582         __gnu_posix.
2583         (do_space): Define.
2584         (filesystem::space): Use do_space.
2585         (filesystem::status, filesystem::symlink_status): Use names from
2586         __gnu_posix.
2587         (filesystem::temp_directory_path): Add implementation for Windows.
2588         * src/filesystem/std-path.cc
2589         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2590         Define for Windows.
2591         (dot): Define constant.
2592         (path::replace_extension, is_dot): Use dot.
2593         (path::lexically_normal): Check _M_type instead of calling
2594         non-existent function.
2595         (path::_M_find_extension): Use dot. Use path::string_type not
2596         std::string.
2597         (path::_M_split_cmpts): Use dot.
2598         (filesystem_error::_M_get_what): Use u8string() not native().
2599         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
2600         use symlinks.
2601         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2602         Likewise.
2603         * testsuite/27_io/filesystem/operations/absolute.cc: Use
2604         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
2605         * testsuite/27_io/filesystem/operations/canonical.cc: Use
2606         path::string() to get narrow string, not path::native().
2607         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
2608         with std::filesystem::path not std::basic_string.
2609         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2610         * testsuite/27_io/filesystem/operations/exists.cc: Use
2611         __gnu_test::root_path() instead of "/".
2612         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
2613         fstreams with std::filesystem::path not std::basic_string.
2614         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
2615         path::string() to get narrow string.
2616         * testsuite/27_io/filesystem/operations/space.cc: Check results for
2617         errors, expect sensible values otherwise.
2618         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
2619         helpers for adjusting the environment on Windows.
2620         * testsuite/27_io/filesystem/path/append/path.cc: Test
2621         Windows-specific behaviour.
2622         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
2623         of path::string_type objects.
2624         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
2625         string to wide string on Windows.
2626         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
2627         for backslash as root-directory.
2628         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
2629         path::string() to get narrow string.
2630         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
2631         paths.
2632         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
2633         not std::string.
2634         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
2635         different definintion of absolute paths on Windows.
2636         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2637         Do not use symlinks.
2638         * testsuite/experimental/filesystem/operations/absolute.cc: Test
2639         Windows behaviour.
2640         * testsuite/experimental/filesystem/operations/copy.cc: Construct
2641         fstreams with NTCTS not std::basic_string.
2642         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
2643         * testsuite/experimental/filesystem/operations/exists.cc: Use
2644         __gnu_test::root_path() instead of "/".
2645         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
2646         fstreams with NTCTS not std::basic_string.
2647         * testsuite/experimental/filesystem/operations/last_write_time.cc:
2648         Use path::string() to get narrow string.
2649         * testsuite/experimental/filesystem/operations/space.cc: Use
2650         __gnu_test::root_path() instead of "/".
2651         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
2652         Add helpers for adjusting the environment on Windows.
2653         * testsuite/experimental/filesystem/path/append/path.cc: Use
2654         path::string() to get narrow strings for comparisons.
2655         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
2656         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
2657         Likewise.
2658         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
2659         * testsuite/experimental/filesystem/path/native/string.cc: Use
2660         string_type not std::string.
2661         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
2662         Adjust for different definintion of absolute paths on Windows.
2663         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
2664         function.
2665         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
2666         std::basic_string.
2668 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
2670         PR libstdc++/85951
2671         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
2672         uint_least16_t and uint_least32_t.
2673         (__make_unsigned<wchar_t>): Define unconditionally.
2674         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
2675         typedefs.
2676         (__make_unsigned_selector_base): New type to provide helper templates.
2677         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
2678         __make_unsigned_selector_base helpers.
2679         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
2680         (__make_signed_selector<_Tp, true, false>): Remove intermediate
2681         typedefs.
2682         (__make_signed<wchar_t>, __make_signed<char16_t>)
2683         (__make_signed<char32_t>)): Define unconditionally.
2684         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
2685         wchar_t, char16_t and char32_t are transformed correctly.
2686         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
2687         dg-error lineno.
2688         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
2689         wchar_t, char16_t and char32_t are transformed correctly.
2690         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
2691         dg-error lineno.
2693 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
2695         * include/std/variant (__erased_dtor): Qualify call to __get.
2697 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
2699         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
2700         (_Rb_tree(const allocator_type&)): Use latter.
2701         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
2702         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
2703         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
2704         * include/bits/stl_multimap.h
2705         (multimap(const allocator_type&)): Likewise.
2706         (multimap(initializer_list<value_type>, const allocator_type&)):
2707         Likewise.
2708         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
2709         Likewise.
2710         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
2711         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
2712         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
2713         * include/bits/stl_multiset.h
2714         (multiset(const allocator_type&)): Likewise.
2715         (multiset(initializer_list<value_type>, const allocator_type&)):
2716         Likewise.
2717         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
2718         Likewise.
2720 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
2722         PR libstdc++/85768
2723         * src/c++11/debug.cc: Remove backtrace usage.
2725 2018-05-24  Maya Rashish  <coypu@sdf.org>
2727         PR target/85904
2728         * crossconfig.m4: Test for aligned_alloc on netbsd.
2729         * configure: Regenerate.
2731 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2733         PR libstdc++/69769
2734         PR libstdc++/85886
2735         * include/bits/atomic_base.h (__atomic_base::value_type)
2736         (__atomic_base::difference_type): Add new typedefs.
2737         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
2738         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
2739         (atomic<T*>::operator++, atomic<T*>::operator--)
2740         (atomic<T*>::operator+=, atomic<T*>::operator-=)
2741         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
2742         to enforce C++17 requirement on pointer arithmetic.
2743         (__atomic_val_t, __atomic_diff_t): New alias templates.
2744         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
2745         (atomic_compare_exchange_weak_explicit)
2746         (atomic_compare_exchange_strong_explicit, atomic_store)
2747         (atomic_exchange, atomic_compare_exchange_weak)
2748         (atomic_compare_exchange_strong): Use __atomic_val_t to make
2749         scalar parameters be non-deduced contexts.
2750         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
2751         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
2752         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
2753         parameters.
2754         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
2755         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
2756         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
2757         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
2758         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
2759         address types.
2760         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
2761         * testsuite/29_atomics/atomic/69769.cc: New test.
2762         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
2763         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
2764         Disable test for C++17 and later.
2765         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
2766         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
2767         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
2768         test.
2770 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
2772         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
2773         template to alias template.
2774         (path::__value_type_is_char): Use remove_const_t.
2775         (path:_S_string_from_iter): New helper function.
2776         (path::_S_convert(InputIter, __null_terminated))
2777         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
2778         Use _S_string_from_iter.
2779         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
2780         rep for COW strings.
2781         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
2782         Change from class template to alias template.
2783         (path::__value_type_is_char): Use remove_const.
2784         (path:_S_string_from_iter): New helper function.
2785         (path::_S_convert(InputIter, __null_terminated))
2786         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
2787         Use _S_string_from_iter.
2788         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
2789         wide strings.
2790         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
2791         string equality, not path equivalence.
2792         * testsuite/27_io/filesystem/path/construct/format.cc: Check
2793         construction from std::string and std::wstring and input iterators.
2794         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
2795         construction from iterators.
2796         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
2797         exact string equality, not path equivalence.
2798         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
2799         construction from iterators.
2801         * include/bits/fs_path.h (path::_M_type): Change default member
2802         initializer to _Filename.
2803         (path::begin): Create past-the-end iterator for empty path.
2804         * src/filesystem/std-path.cc (path::remove_filename()): Remove
2805         debugging check.
2806         (path::has_relative_path()): Return false for empty filenames.
2807         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
2808         Fix offset of empty final component.
2809         * testsuite/27_io/filesystem/path/itr/components.cc: New.
2810         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
2812 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
2814         Add support for opening file streams from wide character strings.
2815         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
2816         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
2817         Define new overload.
2818         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
2819         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
2820         Declare new overload.
2821         * configure.ac: Check for _wfopen.
2822         * crossconfig.m4: Likewise.
2823         * configure: Regenerate.
2824         * config.h.in: Regenerate.
2825         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
2826         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
2827         Define new overload.
2828         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
2829         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
2830         Declare new overload.
2831         [_GLIBCXX_HAVE__WFOPEN]
2832         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
2833         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
2834         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
2835         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
2836         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
2837         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
2838         new overloads.
2839         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
2840         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
2841         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
2842         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
2843         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
2844         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
2845         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
2847 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
2849         PR libstdc++/85845
2850         * include/bits/stl_tree.h
2851         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
2852         qualification.
2854 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
2856         * src/filesystem/std-ops.cc (absolute): Report an error for empty
2857         paths.
2858         (weakly_canonical(const path&)): Do not call canonical on empty path.
2859         (weakly_canonical(const path&, error_code&)): Likewise.
2860         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
2862         PR libstdc++/85818
2863         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
2864         dg-require-filesystem-ts.
2866         PR libstdc++/85843
2867         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
2868         initialize base class to avoid warnings.
2870 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
2872         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
2873         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
2874         little_endian element in bitmask.
2875         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
2876         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
2878 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
2880         * include/bits/stl_tree.h
2881         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
2882         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
2883         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
2884         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
2885         * include/debug/map.h
2886         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
2887         * include/debug/multimap.h
2888         (multimap(multimap&&, const_allocator_type&)): Likewise.
2889         * include/debug/set.h
2890         (set(set&&, const_allocator_type&)): Likewise.
2891         * include/debug/multiset.h
2892         (multiset(multiset&&, const_allocator_type&)): Likewise.
2893         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
2894         Add checks.
2895         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
2896         Add checks.
2897         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
2898         Add checks.
2899         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
2900         Add checks.
2901         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
2902         Add checks.
2903         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
2904         Add checks.
2905         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
2906         Add checks.
2907         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
2908         Add checks.
2910 2018-05-18  Jason Merrill  <jason@redhat.com>
2912         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
2913         for conversion to const_iterator.  Add defaulted copy ops.
2914         * libsupc++/new (bad_alloc): Add defaulted copy ops.
2915         * libsupc++/exception.h (exception): Add defaulted copy ops.
2916         * include/std/system_error (system_error): Add defaulted copy ops.
2917         * include/std/stdexcept (domain_error, invalid_argument)
2918         (length_error, out_of_range, range_error, overflow_error)
2919         (underflow_error): Add defaulted copy ops.
2920         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
2921         copy assignment.
2922         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
2923         * include/ext/throw_allocator.h (condition_base): Add defaulted
2924         default and copy ctor and copy assignment.
2926 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
2928         PR libstdc++/85098
2929         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
2930         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
2931         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
2932         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
2933         definitions.
2934         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
2935         whitespace.
2936         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
2937         braces around body of do-while.
2938         * testsuite/28_regex/basic_regex/85098.cc: New
2940 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
2942         PR libstdc++/85818
2943         * src/filesystem/path.cc (path::preferred_separator): Add used
2944         attribute.
2945         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
2947         PR libstdc++/85812
2948         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
2949         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
2950         Refactor to separate non-throwing and throwing implementations.
2951         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
2952         if constructing the object throws.
2954 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
2956         PR libstdc++/85749
2957         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
2958         (linear_congruential_engine, mersenne_twister_engine)
2959         (subtract_with_carry_engine, discard_block_engine)
2960         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
2961         constrain function templates taking seed sequences.
2962         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
2963         (mersenne_twister_engine::seed(_Sseq&))
2964         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
2965         match declarations.
2966         * include/ext/random (simd_fast_mersenne_twister_engine): Use
2967         __is_seed_seq to constrain function templates taking seed sequences.
2968         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
2969         Change return type to match declaration.
2970         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
2971         New.
2972         * testsuite/26_numerics/random/independent_bits_engine/cons/
2973         seed_seq2.cc: New.
2974         * testsuite/26_numerics/random/linear_congruential_engine/cons/
2975         seed_seq2.cc: New.
2976         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
2977         seed_seq2.cc: New.
2978         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
2979         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
2980         New.
2981         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
2982         seed_seq2.cc: New.
2983         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
2984         seed_seq2.cc: New.
2986         PR libstdc++/83891
2987         * include/bits/fs_path.h (path::is_absolute()): Use same definition
2988         for all operating systems.
2989         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
2990         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
2991         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
2992         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
2994         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
2995         unused <vector> header.
2996         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
2997         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
2998         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
2999         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3000         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3001         Likewise.
3002         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3003         Likewise.
3004         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3005         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3006         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3007         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3008         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3009         Likewise.
3010         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3011         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3012         Likewise.
3013         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3014         Likewise.
3015         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3016         Likewise.
3017         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3018         Likewise.
3019         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3020         Likewise.
3021         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3022         Likewise.
3023         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3024         Likewise.
3025         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3026         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3027         Likewise.
3029         PR libstdc++/84159
3030         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3031         temporary path before calling _M_append.
3032         (path::_M_append): Change parameter to path and implement C++17
3033         semantics.
3034         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3035         and more examples from the standard.
3036         * testsuite/27_io/filesystem/path/append/source.cc: New.
3037         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3038         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3040         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3041         __invoke to prevent ADL.
3043 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3045         PR libstdc++/81256
3046         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3047         exceptions from _M_terminate_output().
3048         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3049         exceptions from close().
3050         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3052         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3053         (__valarray_get_storage): Call operator new directly. Remove ignored
3054         top-level restrict qualifier and add malloc attribute instead.
3055         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3057         PR libstdc++/67554
3058         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3059         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3061         PR libstdc++/82966
3062         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3063         instead of type.
3064         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3066 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3068         PR libstdc++/80165
3069         * testsuite/20_util/variant/80165.cc: New.
3071 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3073         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3074         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3075         of C++11 containers with Debug Mode support.
3076         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3077         * doc/html/*: Regenerate.
3079 2018-05-10  Jason Merrill  <jason@redhat.com>
3081         * include/bits/regex_compiler.h (_S_cache_size): Change from
3082         function to variable.
3084 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3086         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3087         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3088         argument defaulted to +1.  Doxy comments on same.
3089         * testsuite/special_functions/02_assoc_legendre/
3090         check_value.cc: Regen.
3091         * testsuite/tr1/5_numerical_facilities/special_functions/
3092         02_assoc_legendre/check_value.cc: Regen.
3094 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3096         PR libstdc++/85729
3097         * include/bits/c++config.h (__replacement_assert): Add linkage
3098         specification.
3099         * include/bits/std_abs.h: Add comment to closing brace of block.
3100         * include/c_global/cstddef: Add linkage specification.
3101         * include/c_global/cstring: Likewise.
3102         * include/c_global/cwchar: Likewise.
3104 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3106         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3107         Rename in...
3108         (_Safe_iterator<>::_S_constant()): ...that.
3109         * include/debug/safe_local_iterator.h
3110         (_Safe_local_iterator<>::_M_constant()): Rename in...
3111         (_Safe_local_iterator<>::_S_constant()): ...that.
3112         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3113         (_Iterator_state::__rbegin): New.
3114         (_Iterator_state::__rmiddle): New.
3115         (_Iterator_state::__rend): New.
3116         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3117         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3118         iterator type.
3119         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3120         _Is_iterator)): Likewise.
3121         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3122         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3123         _Is_iterator)): New.
3124         (_Parameter(std::reverse_iterator<> const&, const char*,
3125         _Is_iterator)): New.
3126         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3127         const char*, _Is_iterator)): New.
3128         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3129         New.
3130         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3131         _Is_iterator)): New.
3132         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3133         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3134         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3136 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3138         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3139         Use constexpr if in C++17 mode.
3140         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3141         Copy from const object.
3142         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3144 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3146         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3147         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3148         backtrace.
3150         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3151         * include/debug/functions.h (__check_valid_range): Use latter.
3152         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3153         use latter.
3154         * include/debug/deque
3155         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3156         * include/debug/forward_list
3157         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3158         Likewise.
3159         * include/debug/list
3160         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3161         * include/debug/list
3162         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3163         * include/debug/map.h
3164         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3165         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3166         Likewise.
3167         * include/debug/multimap.h
3168         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3169         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3170         const _Alloc&)): Likewise.
3171         * include/debug/set.h
3172         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3173         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3174         Likewise.
3175         * include/debug/multiset.h
3176         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3177         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3178         const _Alloc&)): Likewise.
3179         * include/debug/string
3180         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3181         Likewise.
3182         * include/debug/unordered_map
3183         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3184         Likewise.
3185         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3186         const _Alloc&)): Likewise.
3187         * include/debug/unordered_set
3188         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3189         Likewise.
3190         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3191         const _Alloc&)): Likewise.
3192         * include/debug/vector
3193         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3195         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3196         (_Error_formatter(const char*, unsigned int)): Adapt.
3197         (_Error_formatter::_M_at): Rename in...
3198         (_Error_formatter::_S_at): ...that and adapt.
3199         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3200         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3201         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3202         when available.
3204 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3206         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3207         Use normal std::vector even in Debug Mode.
3209         PR libstdc++/85672
3210         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3211         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3212         * include/Makefile.in: Regenerate.
3213         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3214         within conditional block.
3216 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3218         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3219         C++17 Filesystem implementation also needs -lstdc++fs.
3221         PR libstdc++/85671
3222         * include/bits/fs_path.h (operator/): Permit copy elision.
3223         * include/experimental/bits/fs_path.h (operator/): Likewise.
3225 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3227         Moar PR libstdc++/80506
3228         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3229         Fix magic number used in loop condition.
3231 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3233         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3234         * include/std/optional (_Optional_payload): Add noexcept to default
3235         constructor. Re-indent.
3236         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3237         constructor for copying disengaged payloads.
3238         (_Optional_payload<_Tp, true, false, true>): Likewise.
3239         (_Optional_payload<_Tp, true, true, false>): Likewise.
3240         (_Optional_payload<_Tp, true, false, false>): Likewise.
3241         * testsuite/20_util/optional/cons/85642.cc: New.
3242         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3244 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3246         PR libstdc++/82644
3247         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3248         inline definitions instead of using-declarations.
3249         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3250         * testsuite/tr1/5_numerical_facilities/special_functions/
3251         07_conf_hyperg/compile_cxx17.cc: New.
3252         * testsuite/tr1/5_numerical_facilities/special_functions/
3253         17_hyperg/compile_cxx17.cc: New.
3255         PR libstdc++/84769
3256         * include/std/variant (visit): Qualify std::get call.
3258         PR libstdc++/85632 use uintmax_t for arithmetic
3259         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3260         arithmetic in result type.
3261         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3262         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3263         is greater than free space.
3264         * testsuite/experimental/filesystem/operations/space.cc: New.
3266         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3267         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3268         New.
3269         * testsuite/20_util/remove_cvref/value.cc: New.
3270         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3272         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3273         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
3274         (append(const basic_string&, size_type, size_type)
3275         (assign(const basic_string&, size_type, size_type)
3276         (insert(size_type, const basic_string&, size_type, size_type)
3277         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3278         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3279         Add default arguments (LWG 2268).
3280         [_GLIBCXX_USE_CXX11_ABI=0]
3281         (append(const basic_string&, size_type, size_type)
3282         (assign(const basic_string&, size_type, size_type)
3283         (insert(size_type, const basic_string&, size_type, size_type)
3284         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3285         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3286         Likewise.
3287         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3289         PR libstdc++/84535
3290         * include/std/thread (thread::__not_same): New SFINAE helper.
3291         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3292         first argument is not a std::thread. Add static assertion to check
3293         INVOKE expression is valid.
3294         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3295         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3296         __invoke_result for return types and remove exception specifications.
3297         * testsuite/30_threads/thread/cons/84535.cc: New.
3299         * include/std/future (__async_result_of): Use __invoke_result instead
3300         of result_of.
3302         * include/std/any (any_cast): Use __remove_cvref_t.
3303         * include/std/tuple (__make_tuple): Likewise.
3304         * include/std/type_traits (__remove_cvref_t): Define.
3305         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3306         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3307         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3309 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3311         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3312         ensure overloaded comma not used.
3313         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3314         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3315         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3316         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3317         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3318         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3319         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3321 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3323         PR libstdc++/68197
3324         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3325         indices to unsigned.
3326         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3327         as failure. Refactor error handling.
3328         * testsuite/27_io/ios_base/storage/68197.cc: New.
3330         PR libstdc++/57997
3331         PR libstdc++/83860
3332         * include/bits/gslice_array.h (gslice_array): Define default
3333         constructor as deleted, as per C++11 standard.
3334         * include/bits/mask_array.h (mask_array): Likewise.
3335         * include/bits/slice_array.h (slice_array): Likewise.
3336         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3337         to namespace __detail.
3338         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3339         members.
3340         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3341         of data members in closure objects.
3342         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3343         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3344         __detail.
3345         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3346         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3347         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3348         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3349         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3350         using-declarations to namespace std.
3351         * testsuite/26_numerics/valarray/83860.cc: New.
3353         * testsuite/backward/strstream_move.cc: Remove duplicate function
3354         call.
3356         PR libstdc++/69608
3357         * include/backward/strstream (strstreambuf): Define move constructor
3358         and move assignment operator.
3359         (istrstream, ostrstream, strstream): Likewise.
3360         * testsuite/backward/strstream_move.cc: New.
3362 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3364         PR libstdc++/84654
3365         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3366         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3367         * configure: Regenerate.
3368         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3369         based on ENABLE_FLOAT128.
3370         * include/Makefile.in: Regenerate.
3371         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3372         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3373         _GLIBCXX_USE_FLOAT128.
3375 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3377         * configure: Regenerated.
3379 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3381         * configure: Regenerated.
3383 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3384             Jakub Jelinek  <jakub@redhat.com>
3386         PR libstdc++/85442
3387         * src/c++11/Makefile.am: Don't generate debuginfo again for
3388         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3389         * src/c++11/Makefile.in: Regenerate.
3391 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3393         PR libstdc++/84442
3394         * testsuite/30_threads/thread/cons/terminate.cc
3395         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3397 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3399         PR jit/85384
3400         * configure: Regenerate.
3402 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3404         * testsuite/experimental/filesystem/file_status/1.cc: Add
3405         -DUSE_FILESYSTEM_TS to dg-options.
3406         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3407         Likewise.
3408         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3409         * testsuite/experimental/filesystem/iterators/
3410         recursive_directory_iterator.cc: Likewise.
3411         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3412         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3413         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3414         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3415         * testsuite/experimental/filesystem/operations/create_directories.cc:
3416         Likewise.
3417         * testsuite/experimental/filesystem/operations/create_directory.cc:
3418         Likewise.
3419         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3420         Likewise.
3421         * testsuite/experimental/filesystem/operations/current_path.cc:
3422         Likewise.
3423         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3424         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3425         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3426         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3427         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3428         Likewise.
3429         * testsuite/experimental/filesystem/operations/permissions.cc:
3430         Likewise.
3431         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3432         Likewise.
3433         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3434         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3435         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3436         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3437         Likewise.
3438         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3439         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3440         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3441         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3442         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3443         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3444         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3445         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3446         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3447         * testsuite/experimental/filesystem/path/construct/default.cc:
3448         Likewise.
3449         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3450         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3451         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3452         Likewise.
3453         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3454         Likewise.
3455         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3456         Likewise.
3457         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3458         Likewise.
3459         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3460         Likewise.
3461         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3462         Likewise.
3463         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3464         Likewise.
3465         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3466         Likewise.
3467         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3468         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3469         Likewise.
3470         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3471         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3472         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3473         Likewise.
3474         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3475         Likewise.
3476         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3477         Likewise.
3478         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3479         Likewise.
3480         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3481         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3482         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3483         Likewise.
3484         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3485         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3486         Likewise.
3487         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3488         Likewise.
3489         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3490         Likewise.
3491         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3492         Likewise.
3493         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3494         Likewise.
3495         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3496         Likewise.
3497         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3498         Likewise.
3499         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3500         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3501         Likewise.
3503 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3505         * src/c++11/Makefile.am: Fix sed command.
3506         * src/c++11/Makefile.in: Regenerate.
3508         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3509         handle mangled names starting with double underscores on darwin.
3510         * src/c++11/Makefile.in: Regenerate.
3512 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3514         * src/c++11/Makefile.am: Fix comment.
3515         * src/c++11/Makefile.in: Regenerate.
3516         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3517         * src/c++98/ios_failure.cc: Likewise.
3519         * src/c++11/ios.cc: Remove redundant macro definition.
3521 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3523         * doc/xml/manual/abi.xml: Document header locations in recent
3524         releases.
3525         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3526         * doc/xml/manual/spine.xml: Update copyright years.
3527         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3528         undefined behaviour.
3529         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3530         * doc/html/*: Regenerate.
3532 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3534         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3535         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3536         * doc/xml/manual/containers.xml: Likewise.
3537         * doc/xml/manual/debug_mode.xml: Likewise.
3538         * doc/xml/manual/extensions.xml: Likewise.
3539         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3540         * doc/xml/manual/using.xml: Likewise.
3541         * doc/xml/manual/utilities.xml: Likewise.
3543         PR libstdc++/85222
3544         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3545         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3546         * src/c++11/Makefile.in: Regenerate.
3547         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3548         New types.
3549         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3550         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3551         * src/c++98/ios_failure.cc (__construct_ios_failure)
3552         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3553         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3554         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3555         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3556         handler types, to always catch std::ios_base::failure.
3557         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3558         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3559         exceptions_failbit.cc: Likewise.
3560         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3561         exceptions_failbit.cc: Likewise.
3562         * testsuite/27_io/basic_istream/extractors_other/char/
3563         exceptions_null.cc: Likewise.
3564         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3565         exceptions_null.cc: Likewise.
3566         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3567         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3568         * testsuite/27_io/basic_ostream/inserters_other/char/
3569         exceptions_null.cc: Likewise.
3570         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3571         exceptions_null.cc: Likewise.
3572         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3574 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
3576         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
3577         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
3579 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
3581         PR libstdc++/85183
3582         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
3583         value categories.
3584         * testsuite/20_util/variant/85183.cc: New.
3586 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
3588         * include/std/variant (__get): Qualify calls to avoid ADL.
3589         (__select_index): Adjust whitespace.
3590         (variant): Add using-declaration to workaround Clang bug.
3592 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
3594         PR libstdc++/85040
3595         * include/bits/stl_function.h (greater::__not_overloaded)
3596         (less::__not_overloaded, greater_equal::__not_overloaded)
3597         (less_equal::__not_overloaded): Fix ambiguous specializations.
3598         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
3599         tests for type with overloaded operators.
3601 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3603         PR libstdc++/77691
3604         * testsuite/experimental/memory_resource/resource_adaptor.cc:
3605         xfail execution on 32-bit Solaris/x86.
3607 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
3609         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
3610         VERIFY instead of assert.
3611         * testsuite/20_util/hash/84998.cc: New test.
3612         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
3613         copy of test adjusted for Debug Mode.
3614         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
3615         test in Debug Mode.
3617 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
3619         PR libstdc++/84998
3620         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
3621         * include/std/bitset: Likewise.
3622         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
3623         declaration.
3624         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
3625         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
3626         * include/bits/stl_set.h (std::set<>): Likewise.
3627         * include/bits/unordered_map.h (std::unordered_map<>): Fix
3628         _Hash_merge_helper friend declaration.
3629         (std::unordered_multimap<>): Likewise.
3630         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
3631         (std::unordered_multiset<>): Likewise.
3633 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3635         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
3636         trailing slash for domain level link.
3637         * doc/xml/faq.xml: Ditto.
3638         * doc/xml/manual/appendix_free.xml (software): Ditto.
3639         * doc/xml/manual/intro.xml: Ditto.
3640         * doc/xml/manual/spine.xml: Ditto.
3641         * doc/xml/spine.xml: Ditto.
3643 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3645         * doc/xml/manual/documentation_hacking.xml: Adjust link to
3646         docbook.org.
3648 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
3650         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
3651         to compile as C++98.
3653 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
3655         PR libstdc++/78420
3656         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
3657         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
3658         to ensure total order for pointers.
3659         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
3660         Add operator() overloads for pointer arguments and make generic
3661         overloads dispatch to new _S_cmp functions when comparisons would
3662         use built-in operators for pointers.
3663         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
3665 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
3667         PR libstdc++/84773
3668         PR libstdc++/83662
3669         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
3670         * configure: Regenerate.
3671         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
3672         (aligned_alloc): Add using-declaration.
3673         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
3675 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
3677         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
3678         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
3679         registration.
3681 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
3683         PR libstdc++/84769
3684         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
3685         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
3687         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
3688         src/filesystem/std-ops.cc (create_dir): Likewise.
3690 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
3692         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
3693         (StdListIteratorPrinter): Inherit from latter.
3694         (StdFwdListIteratorPrinter): New, inherit from latter.
3695         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
3696         when iterator has no associated container.
3697         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
3698         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
3699         registrations.
3700         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
3701         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
3703 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
3705         PR libstdc++/84601
3706         * include/std/optional (_Optional_payload): Split into multiple
3707         specializations that can handle different cases of trivial or
3708         non-trivial assignment operators.
3709         * testsuite/20_util/optional/84601.cc: New.
3710         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
3712 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
3714         PR libstdc++/84671
3715         * include/bits/parse_numbers.h (_Number_help): Add partial
3716         specialization to handle digit separators. Adjust partial
3717         specialization for recursion temrination to require _Pow == 1ULL.
3718         * testsuite/20_util/duration/literals/84671.cc: New
3720 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
3722         Implement the missing bits of LWG 2769
3723         * include/std/any (any_cast(const any&)): Add static_assert.
3724         (any_cast(any&)): Likewise.
3725         (any_cast(any&&)): Likewise, and remove the handling
3726         for copyable-but-not-movable type.
3727         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
3728         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
3729         add new tests.
3731 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
3733         PR libstdc++/84532
3734         * include/std/thread (thread::__make_invoker): Construct tuple
3735         directly instead of using make_tuple.
3736         * testsuite/30_threads/async/84532.cc: New.
3737         * testsuite/30_threads/thread/84532.cc: New.
3739 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
3741         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
3742         (template<> __aligned_buffer): Define as __aligned_membuf alias.
3744 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
3746         PR target/84148
3747         * configure: Regenerate.
3749 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
3751         PR libstdc++/81797
3752         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
3753         * configure: Regenerate.
3754         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
3755         defined.
3756         * include/Makefile.in: Regenerate.
3758 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
3760         PR libstdc++/83833
3761         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
3762         Add -ffloat-store to options for m68k and ia32.
3764         * doc/xml/faq.xml: Update copyright years.
3765         * doc/html/*: Regenerate.
3767         PR libstdc++/83658
3768         * include/std/any (any::__do_emplace): Only set _M_manager after
3769         constructing the contained object.
3770         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
3771         * testsuite/20_util/any/modifiers/83658.cc: New test.
3773 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
3775         PR libstdc++/81076
3776         * include/c_global/cstddef (__byte_operand): Define primary template.
3777         * testsuite/18_support/byte/81076.cc: New test.
3779 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
3781         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
3782         dg-options and dg-add-options order.
3783         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
3784         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
3785         Likewise.
3786         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
3787         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
3788         Likewise.
3789         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
3790         Likewise.
3791         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
3792         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
3793         Likewise.
3794         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
3795         Likewise.
3796         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
3797         Likewise.
3798         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
3799         Likewise.
3800         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
3801         Likewise.
3802         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
3803         Likewise.
3804         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
3805         Likewise.
3806         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
3807         Likewise.
3808         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
3809         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
3810         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
3811         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
3812         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
3813         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
3814         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
3815         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
3816         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
3817         Likewise.
3818         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
3819         Likewise.
3820         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
3821         Likewise.
3822         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
3823         Likewise.
3825 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
3827         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
3828         include linux/types.h when checking linux/random.h header.
3829         * config.h.in: Regenerate.
3830         * configure: Ditto.
3831         * src/c++11/random.cc: Conditionally include linux/types.h.
3833 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3835         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
3837 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
3839         PR libstdc++/83834
3840         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
3841         pattern with exact match for std::cerr.
3843 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
3845         PR libstdc++/83833
3846         * include/bits/random.h (chi_squared_distribution::param): Update
3847         gamma distribution parameter.
3848         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
3849         test.
3851         PR libstdc++/83830
3852         * include/std/type_traits (has_unique_object_representations_v): Add
3853         variable template.
3854         * testsuite/20_util/has_unique_object_representations/value.cc: Check
3855         variable template.
3857 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
3859         Make optional conditionally
3860         trivially_{copy,move}_{constructible,assignable}
3861         * include/std/optional (_Optional_payload): Fix the comment in
3862         the class head and turn into a primary and one specialization.
3863         (_Optional_payload::_M_engaged): Strike the NSDMI.
3864         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
3865         New.
3866         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
3867         Likewise.
3868         (_Optional_payload<_Tp, false>::_M_get): Likewise.
3869         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
3870         (_Optional_base_impl): Likewise.
3871         (_Optional_base): Turn into a primary and three specializations.
3872         (optional(nullopt)): Change the base init.
3873         * testsuite/20_util/optional/assignment/8.cc: New.
3874         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
3875         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
3877 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
3879         PR libstdc++/80276
3880         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
3881         (get_template_arg_list): New.
3882         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
3883         instead.
3884         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
3885         of strings and regular expressions.
3886         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
3887         (FilteringTypePrinter): Add docstring. Match using startswith. Use
3888         strip_inline_namespaces instead of strip_versioned_namespace.
3889         (add_one_type_printer): Prepend namespace to match argument.
3890         (register_type_printers): Add type printers for char16_t and char32_t
3891         string types and for types using cxx11 ABI. Update calls to
3892         add_one_template_type_printer to provide default argument dicts.
3893         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
3894         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
3895         basic_string<unsigned char> and basic_string<signed char>.
3896         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
3897         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
3899 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
3901         PR libstdc++/81092
3902         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
3904 2018-01-13  Tim Shen  <timshen@google.com>
3906         PR libstdc++/83601
3907         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
3908         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
3909         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
3911 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3913         PR libstdc++/64054
3914         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
3915         Remove dg-xfail-run-if.
3917 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
3919         * include/bits/forward_list.h
3920         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
3921         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
3922         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
3923         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
3924         (_Fwd_list_impl()): Add noexcept qualification.
3925         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
3926         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
3927         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
3928         (_Fwd_list_base()): Default.
3929         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
3930         (_Fwd_list_base(_Fwd_list_base&&)): Default.
3931         (forward_list<>()): Default.
3932         (forward_list<>(forward_list&&)): Default.
3933         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
3934         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
3935         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
3936         * include/bits/forward_list.tcc
3937         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
3938         _M_impl._M_head move assignment.
3939         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
3940         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
3942 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
3944         PR libstdc++/80276
3945         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
3946         (UniquePointerPrinter): Print correct template argument, not type of
3947         the pointer.
3948         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
3949         a type.
3950         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
3951         array type.
3952         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
3953         weak_ptr of array types.
3955 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
3957         PR libstdc++/83709
3958         * include/bits/hashtable_policy.h
3959         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
3960         __first != __last.
3961         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
3962         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
3963         Add false_type parameter.
3964         (_Insert_base::insert): Adapt.
3965         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
3966         Adapt.
3967         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
3968          Add __n_elt parameter, defaulted to 1.
3969         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
3970         policy _M_need_rehash.
3971         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
3972         produce only 1 rehash if necessary.
3973         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
3974         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
3976 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
3977             Jonathan Wakely  <jwakely@redhat.com>
3979         PR libstdc++/59253 (partial)
3980         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
3981         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
3982         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
3983         children.
3984         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
3985         of unique_ptr printer.
3986         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
3987         output of shared_ptr printer.
3989 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
3991         PR libstdc++/83626
3992         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
3993         unnecessary symlink_status call.
3994         (remove_all(const path&, error_code&)): Use filesystem::remove.
3995         * src/filesystem/std-ops.cc: Likewise.
3997         PR libstdc++/83279
3998         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
3999         sendfile.
4001         PR libstdc++/83626
4002         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4003         report an error for ENOENT.
4004         (remove_all(const path&)): Fix type of result variable.
4005         (remove_all(const path&, error_code&)): Use non-throwing increment
4006         for directory iterator. Call POSIX remove directly to avoid redundant
4007         calls to symlink_status. Do not report errors for ENOENT.
4008         * src/filesystem/std-ops.cc: Likewise.
4009         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4010         overload.
4011         * testsuite/experimental/filesystem/operations/remove_all.cc:
4012         Likewise.
4014 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4016         PR libstdc++/83626
4017         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4018         redundant call to ec.clear().
4019         (remove_all(const path&, error_code&))): Do not return an error for
4020         non-existent paths.
4021         * src/filesystem/std-ops.cc: Likewise.
4022         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4023         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4024         results for non-existent paths.
4025         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4026         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4027         expected results for non-existent paths.
4029         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4030         check status_known once.
4031         * include/experimental/bits/fs_ops.h: Likewise.
4033         PR libstdc++/83607
4034         * include/std/functional (__is_byte_like): New trait.
4035         (__is_std_equal_to): Remove.
4036         (__boyer_moore_base_t): Use __is_byte_like instead of
4037         __is_std_equal_to.
4038         * include/experimental/functional (__is_std_equal_to): Remove.
4039         (__boyer_moore_base_t): Use __is_byte_like instead of
4040         __is_std_equal_to.
4041         * testsuite/20_util/function_objects/83607.cc: New test.
4043 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4045         Protect optional's deduction guide with the feature macro
4046         * include/std/optional: Use the feature macro.
4048 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4050         Update copyright years.
4052 Copyright (C) 2018 Free Software Foundation, Inc.
4054 Copying and distribution of this file, with or without modification,
4055 are permitted in any medium without royalty provided the copyright
4056 notice and this notice are preserved.