Commit Graph

1260 Commits

Author SHA1 Message Date
Jonathan Wakely 2ae27b7076 PR69301 don't assume atomic<T> can default construct T
PR libstdc++/69301
	* include/std/atomic (atomic<T>::load, atomic<T>::exchange): Use
	aligned buffer instead of default-initialized variable.
	* testsuite/29_atomics/atomic/69301.cc: New test.
	* include/experimental/memory (observer_ptr::release): Use reserved
	name.
	* include/ext/pointer.h (_Pointer_adapter::operator++(int))
	(_Pointer_adapter::operator--(int)): Likewise.

From-SVN: r244588
2017-01-18 18:36:45 +00:00
Jonathan Wakely c6ab906191 PR78361 recognise noexcept functions as referenceable
2017-01-13  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/78361
	* testsuite/20_util/add_pointer/value.cc: Test forming function
	pointers.

2017-01-13  Michael Brune  <lucdanton@free.fr>

	PR libstdc++/78361
	* include/std/type_traits (__is_referenceable): Handle noexcept
	function types.

From-SVN: r244432
2017-01-13 12:18:42 +00:00
Ville Voutilainen f3df0b3cde Reduce the size of variant, it doesn't need an index of type size_t internally.
Reduce the size of variant, it doesn't need an index of
type size_t internally.
* include/std/variant (parse_numbers.h): New include.
(__select_index): New.
(_Variant_storage<false, _Types...>::_M_reset_impl): Use
_index_type for comparison with variant_npos.
(_Variant_storage<false, _Types...>::__index_type): New.
(_Variant_storage<false, _Types...>::_M_index): Change the
type from size_t to __index_type.
(_Variant_storage<true, _Types...>::__index_type): New.
(_Variant_storage<true, _Types...>::_M_index): Change the
type from size_t to __index_type.
(_Variant_base::_M_valid): Use _Storage::__index_type
for comparison with variant_npos.
(variant::index): Use _Base::_Storage::__index_type
for comparison with variant_npos.
* testsuite/20_util/variant/index_type.cc: New.

From-SVN: r244309
2017-01-11 13:23:43 +02:00
Barrett Adair 258ee761eb Use fold expressions to reduce std::variant instantiation depth
2017-01-06  Barrett Adair  <barrettellisadair@gmail.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	* include/std/variant (variant, swap): Replace __and_ usage with fold
	expressions.

Co-Authored-By: Jonathan Wakely <jwakely@redhat.com>

From-SVN: r244163
2017-01-06 15:27:01 +00:00
Tim Shen 0f9cf7ff83 re PR libstdc++/78996 (<variant> uses macro as name)
2017-01-05  Tim Shen  <timshen@google.com>

	PR libstdc++/78996
	* include/std/variant (__gen_vtable_impl): rename __unused to
	__dimensions to avoid naming conflict.

From-SVN: r244092
2017-01-05 03:18:17 +00:00
Pauli Nieminen ed3cb49703 Support exception propagation without lock-free atomic int
2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/64735
	* acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
	* config.h.in: Regenerate.
	* config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
	(GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
	exports for exception_ptr, nested_exception, and future conditional.
	[HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
	exports for exception_ptr, nested_exception, and future conditional.
	* configure: Regenerate.
	* configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
	* include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
	* libsupc++/eh_atomics.h: New file for internal use only.
	(__eh_atomic_inc, __eh_atomic_dec): New.
	* libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
	(exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
	(rethrow_exception): Use eh_atomics.h reference counting helpers.
	* libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
	* libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
	* libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
	* libsupc++/exception_ptr.h: Likewise.
	* libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
	* libsupc++/nested_exception.cc: Remove check for
	ATOMIC_INT_LOCK_FREE.
	* libsupc++/nested_exception.h: Likewise.
	* src/c++11/future.cc: Likewise.
	* testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
	* testsuite/18_support/nested_exception/*: Likewise.
	* testsuite/30_threads/async/*: Likewise.
	* testsuite/30_threads/future/*: Likewise.
	* testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
	* testsuite/30_threads/packaged_task/*: Likewise.
	* testsuite/30_threads/promise/*: Likewise.
	* testsuite/30_threads/shared_future/*: Likewise.

Co-Authored-By: Jonathan Wakely <jwakely@redhat.com>

From-SVN: r244051
2017-01-04 10:54:59 +00:00
Jonathan Wakely 80efc5073d Add deleted std::thread(const thread&&) constructor
PR libstdc++/78956
	* include/std/thread (thread(const thread&&)): Add deleted
	constructor.
	* testsuite/30_threads/thread/cons/lwg2097.cc: New test.

From-SVN: r244022
2017-01-03 13:31:26 +00:00
Jakub Jelinek cbe34bb5ed Update copyright years.
From-SVN: r243994
2017-01-01 13:07:43 +01:00
Ville Voutilainen 2ae2d394c1 Implement LWG 2842, in_place_t check for optional::optional(U&&) should decay U.
Implement LWG 2842, in_place_t check for optional::optional(U&&)
should decay U.
* include/std/optional (_Optional_base(in_place_t, _Args&&...)):
Constrain.
(_Optional_base(in_place_t, initializer_list<_Up>, _Args&&...)):
Turn the int-pack constraint hack into a saner bool.
(_Optional_base<_Tp, false>::_Optional_base(in_place_t, _Args&&...)):
Constrain.
(_Optional_base<_Tp, false>::_Optional_base(in_place_t,
initializer_list<_Up>, _Args&&...)):
Turn the int-pack constraint hack into a saner bool.
(optional(_Up&&)): Constrain against in_place_t.
(optional(in_place_t, _Args&&...)): Constrain.
(constexpr optional(in_place_t, initializer_list<_Up>, _Args&&...)):
Turn the int-pack constraint hack into a saner bool.
* testsuite/20_util/optional/cons/value_neg.cc: Add a test for
a type that is constructible from in_place.

From-SVN: r243966
2016-12-29 21:19:59 +02:00
Ville Voutilainen 4b21c3ea03 Make the perfect-forwarding constructor of a two-element tuple sfinae away when the first argument is an allocator_arg.
Make the perfect-forwarding constructor of a two-element tuple
sfinae away when the first argument is an allocator_arg.
* include/std/tuple (tuple(_U1&&, _U2&&)): Constrain.
* testsuite/20_util/tuple/cons/allocator_with_any.cc: New.
* testsuite/20_util/tuple/element_access/get_neg.cc: Adjust.

From-SVN: r243795
2016-12-19 14:55:33 +02:00
Ville Voutilainen 6254952346 Implement LWG 2769, Redundant const in the return type of any_cast(const any&).
Implement LWG 2769, Redundant const in the return type of
any_cast(const any&).
* include/std/any (_AnyCast): New.
(any_cast(const any&)): Use it and add an explicit cast for return.
(any_cast(any&)): Likewise.
(any_cast(any&&)): Likewise.
* testsuite/20_util/any/misc/any_cast.cc: Add a test for a type
that has an explicit copy constructor.
*testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.

From-SVN: r243739
2016-12-16 13:34:45 +02:00
Jonathan Wakely 9b796223a3 Fix std::variant for gnu-versioned--namespace build
* include/std/variant: Remove misplaced
	_GLIBCXX_BEGIN_NAMESPACE_VERSION macro.

From-SVN: r243489
2016-12-09 15:22:01 +00:00
Jonathan Wakely 1d752b4fee Delete std::swap for debug mode array
* include/debug/array (swap): Add deleted overload.
	* include/bits/stl_pair.h (swap): Remove redundant inline keyword
	from deleted overload.
	* include/bits/unique_ptr.h (swap): Likewise.
	* include/std/array (swap): Likewise.
	* include/std/optional (swap): Likewise.
	* include/std/tuple (swap): Likewise.
	* include/std/variant (swap): Likewise.
	* testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
	Adjust dg-error line numbers.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc: Likewise.
	* testsuite/23_containers/array/tuple_interface/
	tuple_element_debug_neg.cc: Likewise.
	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
	Likewise.

From-SVN: r243437
2016-12-08 13:25:03 +00:00
Tim Shen b01af236b7 variant (visit): Make visit constexpr.
* include/std/variant (visit): Make visit constexpr. Also cleanup
	__get_alternative and __storage, since we don't support reference/void
	alternatives any more.
	* testsuite/20_util/variant/compile.cc: Add tests.

From-SVN: r243295
2016-12-06 11:28:09 +00:00
Tim Shen 458ef69052 enable_special_members.h: Make _Enable_default_constructor constexpr.
* include/bits/enable_special_members.h: Make
	_Enable_default_constructor constexpr.
	* include/std/variant (variant::emplace, variant::swap, std::swap,
	std::hash): Sfinae on emplace and std::swap; handle __poison_hash bases
	of duplicated types.
	* testsuite/20_util/variant/compile.cc: Add tests.
	* testsuite/20_util/variant/hash.cc: Add tests.

From-SVN: r243294
2016-12-06 11:26:48 +00:00
Tim Shen 9189f55908 variant (std::get, operator==): Implement constexpr comparison and get<>.
* include/std/variant (std::get, operator==): Implement constexpr
	comparison and get<>.
	* testsuite/20_util/variant/compile.cc: Tests.

From-SVN: r243293
2016-12-06 11:20:13 +00:00
Tim Shen 44f4688595 variant (__erased_use_alloc_ctor, [...]): Remove uses-allocator related functions.
* include/std/variant (__erased_use_alloc_ctor,
	_Variant_base::_Variant_base, variant::variant): Remove uses-allocator
	related functions.
	* testsuite/20_util/variant/compile.cc: Remove related tests.
	* testsuite/20_util/variant/run.cc: Remove related tests.

From-SVN: r243292
2016-12-06 11:17:56 +00:00
Ville Voutilainen a2863bde75 Implement LWG 2766,
Swapping non-swappable types and LWG 2749,
swappable traits for variants.
* include/bits/move.h (swap(_Tp&, _Tp&)): Constrain
with __is_tuple_like.
* include/bits/stl_pair.h (swap(pair<_T1, _T2>&, pair<_T1, _T2>&)):
Add a deleted overload.
* include/bits/unique_ptr.h
(swap(unique_ptr<_Tp, _Dp>&, unique_ptr<_Tp, _Dp>&)): Likewise.
* include/std/array
(swap(array<_Tp, _Nm>&, array<_Tp, _Nm>&)): Likewise.
* include/std/optional
(swap(optional<_Tp>&, optional<_Tp>&)): Likewise.
* include/std/tuple (__is_tuple_like_impl, __is_tuple_like):
Move to type_traits.
(swap(tuple<_Elements...>&, tuple<_Elements...>&)): Add a deleted
overload.
* include/std/type_traits (__is_tuple_like_impl, __is_tuple_like):
New.
(swap(_Tp&, _Tp&)): Constrain with __is_tuple_like.
* include/std/utility (__is_tuple_like_impl): Move to type_traits.
* include/std/variant
(swap(variant<_Types...>&, variant<_Types...>&)):
Add a deleted overload.
* testsuite/20_util/optional/swap/2.cc: Add tests for disabled
swaps.
* testsuite/20_util/pair/swap_cxx17.cc: New.
* testsuite/20_util/tuple/swap_cxx17.cc: Likewise.
* testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
Likewise.
* testsuite/20_util/variant/compile.cc: Add tests for disabled
swaps.
* testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
New.
* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
Likewise.

From-SVN: r243120
2016-12-01 18:23:21 +02:00
Ville Voutilainen d9b2d86c74 The convertible_to traits need to use a variadic catch-all for the false-cases.
The convertible_to traits need to use a variadic catch-all for the
false-cases.
* include/std/istream (__is_convertible_to_basic_istream):
Change the parameter of the false-case of __check to a variadic.
* include/std/ostream (__is_convertible_to_basic_ostream):
Likewise.

From-SVN: r243098
2016-12-01 09:14:19 +02:00
Ville Voutilainen 3ba9051e44 Fix testsuite failures caused by the patch implementing LWG 2534.
* include/std/istream (__is_convertible_to_basic_istream):
Change the return types of __check, introduce istream_type.
(operator>>(_Istream&&, _Tp&&)):
Use __is_convertible_to_basic_istream::istream_type as the return type.
* include/std/ostream (__is_convertible_to_basic_ostream):
Change the return types of __check, introduce ostream_type.
(operator>>(_Ostream&&, _Tp&&)):
Use __is_convertible_to_basic_ostream::ostream_type as the return type.

From-SVN: r243036
2016-11-30 18:32:24 +02:00
Ville Voutilainen a7da488130 Implement LWG 2534, Constrain rvalue stream operators.
* include/std/istream (__is_convertible_to_basic_istream): New.
(__is_extractable): Likewise.
(operator>>(basic_istream<_CharT, _Traits>&&, _Tp&&)):
Turn the stream parameter into a template parameter
and constrain.
* include/std/ostream (__is_convertible_to_basic_ostream): New.
(__is_insertable): Likewise.
(operator<<(basic_ostream<_CharT, _Traits>&&, const _Tp&)):
Turn the stream parameter into a template parameter
and constrain.
* testsuite/27_io/basic_istream/extractors_other/char/4.cc: New.
* testsuite/27_io/basic_istream/extractors_other/wchar_t/4.cc:
Likewise.
* testsuite/27_io/basic_ostream/inserters_other/char/6.cc: Likewise.
* testsuite/27_io/basic_ostream/inserters_other/wchar_t/6.cc: Likewise.

From-SVN: r243006
2016-11-30 11:59:50 +02:00
Tim Shen 3203ed5f01 re PR libstdc++/78441 ([variant] variant_alternative doesn't allow cv qualifiers)
PR libstdc++/78441
	* include/std/variant: Propagate cv qualifications to types returned
	by variant_alternative.
	* testsuite/20_util/variant/compile.cc: Tests.

From-SVN: r242892
2016-11-27 00:32:04 +00:00
Jonathan Wakely 6ae2ae3b84 Make std::tuple_size<cv T> SFINAE-friendly (LWG 2770)
* doc/xml/manual/intro.xml: Document LWG 2770 status. Remove entries
	for 2742 and 2748.
	* doc/html/*: Regenerate.
	* include/std/utility (__tuple_size_cv_impl): New helper to safely
	detect tuple_size<T>::value, as per LWG 2770.
	(tuple_size<cv T>): Adjust partial specializations to derive from
	__tuple_size_cv_impl.
	* testsuite/20_util/tuple/cv_tuple_size.cc: Test SFINAE-friendliness.

From-SVN: r242452
2016-11-15 19:32:44 +00:00
Tim Shen 7b277e8b46 variant: Remove variant<T&>...
* include/std/variant: Remove variant<T&>, variant<void>, variant<> support
	to rebase on the post-Issaquah design.
	* testsuite/20_util/variant/compile.cc: Likewise.

From-SVN: r242437
2016-11-15 17:26:59 +00:00
Jonathan Wakely 8b99f005cb Constrain swap overload for std::optional (LWG 2748)
* doc/xml/manual/intro.xml: Document LWG 2748 status.
	* include/std/optional (optional<T>::swap): Use is_nothrow_swappable_v
	for exception specification.
	(swap(optional<T>&, optional<T>&)): Disable when T is not swappable.
	* testsuite/20_util/optional/swap/2.cc: New test.

From-SVN: r242415
2016-11-15 14:33:09 +00:00
Ville Voutilainen 6964bb3ed9 Implement P0513R0, Poisoning the Hash.
* include/bits/functional_hash.h (__poison_hash): New.
* include/bits/unique_ptr.h
(hash<unique_ptr<_Tp, _Dp>>): Derive from __poison_hash.
* include/std/optional (hash<optional<_Tp>>): Likewise.
* include/std/variant (hash<variant<_Types...>>): Likewise.
* testsuite/20_util/default_delete/48631_neg.cc: Adjust.
* testsuite/20_util/default_delete/void_neg.cc: Likewise.
* testsuite/20_util/optional/hash.cc: New.
* testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust.
* testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Adjust.
* testsuite/20_util/unique_ptr/hash/1.cc: Add tests for
poisoned fancy pointer hashes.
* testsuite/20_util/variant/hash.cc: New.

From-SVN: r242402
2016-11-14 23:22:53 +02:00
Ville Voutilainen 627a2f5923 Implement P0504R0 (Revisiting in-place tag types for any/optional/variant).
Implement P0504R0 (Revisiting in-place tag types for
any/optional/variant).
* include/std/any (any(_ValueType&& __value)): Constrain
the __is_in_place_type with the decayed type.
(make_any): Adjust to use the new tag type.
* include/std/utility (in_place_tag): Remove.
(in_place_t): Turn into a non-reference tag type.
(__in_place, __in_place_type, __in_place_index): Remove.
(in_place): Turn into an inline variable of non-reference
tag type.
(in_place<_Tp>): Remove.
(in_place_index<_Idx>): Remove.
(in_place_type_t): New.
(in_place_type): Turn into a variable template of non-reference
type.
(in_place_index_t): New.
(in_place_index): Turn into a variable template of non-reference
type.
* include/std/variant
(_Variant_storage(in_place_index_t<_Np>, _Args&&...)): Adjust to
use the new tag type.
(_Union(in_place_index_t<0>, _Args&&...)): Likewise.
(_Union(in_place_index_t<_Np>, _Args&&...)): Likewise.
(_Variant_base()): Likewise.
(variant(_Tp&&)): Likewise.
(variant(in_place_type_t<_Tp>, _Args&&...)): Likewise.
(variant(in_place_type_t<_Tp>, initializer_list<_Up>,
_Args&&...)): Likewise.
(variant(in_place_index_t<_Np>, _Args&&...)): Likewise.
(variant(in_place_index_t<_Np>, initializer_list<_Up>,
_Args&&...)): Likewise
(variant(allocator_arg_t, const _Alloc&)): Likewise.
(variant(allocator_arg_t, const _Alloc&, _Tp&&)): Likewise.
(variant(allocator_arg_t, const _Alloc&, in_place_type_t<_Tp>,
_Args&&...)): Likewise.
(variant(allocator_arg_t, const _Alloc&, in_place_type_t<_Tp>,
initializer_list<_Up>, _Args&&...)): Likewise.
(variant(allocator_arg_t, const _Alloc&, in_place_index_t<_Np>,
_Args&&...)): Likewise.
(variant(allocator_arg_t, const _Alloc&, in_place_index_t<_Np>,
initializer_list<_Up>, _Args&&...)): Likewise.
(emplace(_Args&&...)): Likewise.
(emplace(initializer_list<_Up>, _Args&&...)): Likewise.
* testsuite/20_util/any/cons/explicit.cc: Likewise.
* testsuite/20_util/any/cons/in_place.cc: Likewise.
* testsuite/20_util/any/requirements.cc: Add tests to
check that any is not constructible from the new in_place_type_t
of any value category.
* testsuite/20_util/in_place/requirements.cc: Adjust to
use the new tag type.
* testsuite/20_util/variant/compile.cc: Likewise.
* testsuite/20_util/variant/run.cc: Likewise.

From-SVN: r242401
2016-11-14 22:47:44 +02:00
Ville Voutilainen ca9e949f2e Use constexpr addressof in optional, SFINAE housekeeping for any, optional and tuple.
Use constexpr addressof in optional, SFINAE housekeeping
for any, optional and tuple.
* include/std/any (__do_emplace(_Args&&...)): New.
(__do_emplace(initializer_list<_Up>, _Args&&...)): Likewise.
(__any_constructible): Likewise.
(__any_constructible_t): Use __any_constructible.
(operator=(_ValueType&&)): SFINAE in the return type.
(emplace(_Args&&...)): Likewise.
(emplace(initializer_list<_Up>, _Args&&...)): Likewise.
* include/std/optional (_Has_addressof_mem): Remove.
(_Has_addressof_free): Likewise.
(_Has_addressof): Likewise.
(__constexpr_addressof(_Tp&)): Likewise.
(operator->): Use std::__addressof.
* include/std/tuple (operator=(const tuple<_UElements...>&)):
SFINAE in return type.
(operator=(tuple<_UElements...>&&)): Likewise.
* testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.

From-SVN: r242390
2016-11-14 17:30:37 +02:00
Jonathan Wakely 9c52cc0189 Make std::future::share() noexcept (LWG 2556)
* include/std/future (future::share(), future<R&>::share())
	(future<void>::share()): Add noexcept, as per LWG 2556.

From-SVN: r242374
2016-11-14 03:44:53 +00:00
Ville Voutilainen 1701800580 Implement P0403R1, Literal suffixes for basic_string_view.
* include/std/string_view
(operator""sv(const char*, size_t)): New.
(operator""sv(const wchar_t*, size_t)): Likewise.
(operator""sv(const char16_t*, size_t)): Likewise.
(operator""sv(const char32_t*, size_t)): Likewise.
* testsuite/21_strings/basic_string_view/literals/types.cc: New.
* testsuite/21_strings/basic_string_view/literals/values.cc: Likewise.
* testsuite/experimental/string_view/literals/values.cc: Add
tests for literals with embedded NULs.

From-SVN: r242367
2016-11-13 22:54:27 +02:00
Jonathan Wakely 13908b4404 * include/std/future (future_error): Fix public typo to private.
From-SVN: r242340
2016-11-12 20:28:50 +00:00
Jonathan Wakely 330cc73d98 Add std::future_error constructor from future_errc
* include/std/future (future_error): Make existing constructor
	private and add constructor from future_errc.

From-SVN: r242334
2016-11-12 03:40:24 +00:00
Jason Merrill 51dc660315 Implement P0012R1, Make exception specifications part of the type system.
gcc/cp/
	* cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
	(flag_noexcept_type, ce_type): New.
	* call.c (build_conv): Add ck_fnptr.
	(enum conversion_kind): Change ck_tsafe to ck_fnptr.
	(convert_like_real): Likewise.
	(standard_conversion): Likewise.  Allow function pointer
	conversions for pointers to member functions.
	(reference_compatible_p): Allow function pointer conversions.
	(direct_reference_binding): Likewise.
	(reference_binding): Reference-compatible is no longer a subset of
	reference-related.
	(is_subseq): Also strip ck_lvalue after next_conversion.
	* class.c (instantiate_type): Check fnptr_conv_p.
	(resolve_address_of_overloaded_function): Likewise.
	* cvt.c (can_convert_tx_safety): Now static.
	(noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
	* decl.c (flag_noexcept_type): Define.
	(cxx_init_decl_processing): Set it.
	(bad_specifiers): Check it.
	(grokdeclarator) [cdk_function]: Add exception-spec to type here.
	* lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
	returned pointer.
	* mangle.c (struct globals): Add need_cxx1z_warning.
	(mangle_decl): Check it.
	(write_exception_spec): New.
	(write_function_type): Call it.
	(canonicalize_for_substitution): Handle exception spec.
	(write_type): Likewise.
	(write_encoding): Set processing_template_decl across mangling of
	partially-instantiated type.
	* pt.c (determine_specialization): Pass tf_fndecl_type.
	(tsubst_decl, fn_type_unification): Likewise.
	(tsubst): Strip tf_fndecl_type, pass it to
	tsubst_exception_specification.
	(convert_nontype_argument_function): Handle function pointer
	conversion.
	(convert_nontype_argument): Likewise.
	(unify, for_each_template_parm_r): Walk into noexcept-specifier.
	* rtti.c (ptr_initializer): Encode noexcept.
	* tree.c (canonical_eh_spec): New.
	(build_exception_variant): Use it.
	* typeck.c (composite_pointer_type): Handle fnptr conversion.
	(comp_except_specs): Compare canonical EH specs.
	(structural_comptypes): Call it.
gcc/c-family/
	* c.opt (Wc++1z-compat): New.
	* c-cppbuiltin.c (c_cpp_builtins): Add __cpp_noexcept_function_type.
libstdc++-v3/
	* include/bits/c++config (_GLIBCXX_NOEXCEPT_PARM)
	(_GLIBCXX_NOEXCEPT_QUAL): New.
	* include/std/type_traits (is_function): Use them.
	* libsubc++/new (launder): Likewise.
	* libsupc++/cxxabi.h (__pbase_type_info::__masks): Add
	__noexcept_mask.
	* libsupc++/pbase_type_info.cc (__do_catch): Handle function
	pointer conversion.
libiberty/
	* cp-demangle.c (is_fnqual_component_type): New.
	(d_encoding, d_print_comp_inner, d_print_mod_list): Use it.
	(FNQUAL_COMPONENT_CASE): New.
	(d_make_comp, has_return_type, d_print_comp_inner)
	(d_print_function_type): Use it.
	(next_is_type_qual): New.
	(d_cv_qualifiers, d_print_mod): Handle noexcept and throw-spec.
include/
	* demangle.h (enum demangle_component_type): Add
	DEMANGLE_COMPONENT_NOEXCEPT, DEMANGLE_COMPONENT_THROW_SPEC.

From-SVN: r241944
2016-11-07 18:09:29 -05:00
Jonathan Wakely 1f5700e952 Implement std::launder for C++17
* doc/xml/manual/status_cxx2017.xml: Update status.
	* doc/html/*: Regenerate.
	* include/std/type_traits (has_unique_object_representations): Guard
	with __has_builtin check.
	* libsupc++/new (launder): Define for C++17.
	* testsuite/18_support/launder/1.cc: New test.
	* testsuite/18_support/launder/requirements.cc: New test.
	* testsuite/18_support/launder/requirements_neg.cc: New test.

From-SVN: r241648
2016-10-28 15:09:33 +01:00
Jonathan Wakely c05986b936 Split <functional> into smaller pieces
* include/Makefile.am: Add <bits/refwrap.h> and <bits/std_function.h>.
	Order alphabetically.
	* include/Makefile.in: Regenerate.
	* include/bits/refwrap.h: New header.
	(_Maybe_get_result_type,_Weak_result_type_impl, _Weak_result_type)
	(_Reference_wrapper_base_impl, _Reference_wrapper_base)
	(reference_wrapper, ref, cref): Move here from <functional>.
	* include/bits/shared_ptr_base.h: Include <bits/refwrap.h> and
	<bits/stl_function.h> instead of <functional>.
	* include/bits/std_function.h: New header.
	(_Maybe_unary_or_binary_function, bad_function_call)
	(__is_location_invariant, _Nocopy_types, _Any_data)
	(_Simple_type_wrapper, _Function_base, _Function_handler, function):
	Move here from <functional>.
	* include/bits/unique_ptr.h: Include <bits/stl_function.h>.
	* include/std/functional: Include new headers and move components to
	them.
	* include/std/future: Include <bits/std_function.h> instead of
	<functional>.
	* include/std/mutex: Likewise.
	* include/std/regex: Likewise.
	* src/c++11/compatibility-thread-c++0x.cc: Include <functional>.
	* testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
	* testsuite/20_util/default_delete/void_neg.cc: Likewise.
	* testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust dg-error
	lines.
	* testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
	* testsuite/30_threads/packaged_task/49668.cc: Include <functional>.

From-SVN: r241410
2016-10-21 16:32:25 +01:00
Ville Voutilainen f320e6a091 Do the operator= SFINAE in the return type for optional,
not in the template parameters.
* include/std/optional (operator=(_Up&&)): Move SFINAE
from template parameters to the return type.
(operator=(const optional<_Up>&)): Likewise.
(operator=(optional<_Up>&&)): Likewise.

From-SVN: r241372
2016-10-20 14:54:52 +03:00
Jonathan Wakely a2284544a1 PR77998 Remove std:🧵:_Invoker::result_type
PR libstdc++/77998
	* include/std/future (__future_base::_Deferred_state)
	(__future_base::_Async_state_impl): Use decltype to deduce return
	type, instead of _Invoker::result_type.
	* include/std/thread (thread::_Invoker::operator()): Likewise.
	(thread::_Invoker::result_type): Remove.

From-SVN: r241236
2016-10-17 13:23:09 +01:00
Jonathan Wakely de1d079440 Make std::bind use std::invoke
* include/std/functional (_Mu<A, false, true>, _Mu<A, true, false>):
	Simplify forwarding from tuple of references.
	(_Maybe_wrap_member_pointer): Remove.
	(_Bind::__call, _Bind::__call_c, _Bind::__call_v, _Bind::__call_c_v):
	Use std::__invoke.
	(_Bind::_Mu_type, _Bind::_Res_type_impl, _Bind::_Res_type)
	(_Bind::__dependent, _Bind::_Res_type_cv): New helpers to simplify
	return type deduction.
	(_Bind::operator(), _Bind::operator() const): Use new helpers.
	(_Bind::operator() volatile, _Bind::operator() const volatile):
	Likewise. Add deprecated attribute for C++17 mode.
	(_Bind_result::__call): Use std::__invoke.
	(_Bind_result::operator() volatile)
	(_Bind_result::operator() const volatile): Add deprecated attribute.
	(_Bind_helper::__maybe_type, _Bindres_helper::__maybe_type): Remove.
	(_Bind_helper, _Bindres_helper): Don't use _Maybe_wrap_member_pointer.
	(bind, bind<R>): Don't use __maybe_type.
	* src/c++11/compatibility-thread-c++0x.cc
	(_Maybe_wrap_member_pointer): Define here for compatibility symbols.
	* testsuite/20_util/bind/68912.cc: Don't test volatile-qualification
	in C++17 mode.
	* testsuite/20_util/bind/cv_quals.cc: Likewise.
	* testsuite/20_util/bind/cv_quals_2.cc: Likewise.

From-SVN: r241178
2016-10-14 20:04:56 +01:00
Jonathan Wakely a4744f620f Avoid copies in std::scoped_allocator_adaptor piecewise construction
* include/std/scoped_allocator (scoped_allocator_adaptor): Forward
	piecewise construction arguments as tuples of references, to avoid
	copies (related to LWG 2511).
	* testsuite/20_util/scoped_allocator/construct_pair.cc: New test.

From-SVN: r241169
2016-10-14 17:12:21 +01:00
Tim Shen 45b510b370 re PR libstdc++/77944 (FAIL: 20_util/variant/compile.cc (test for excess errors))
PR libstdc++/77944
	* include/std/variant: include <bits/funcexcept.h> for __try and __catch.

From-SVN: r241153
2016-10-14 09:58:05 +00:00
Jonathan Wakely 57c4fbc64b Simplify reference_wrapper nested typedefs
* include/std/functional (_Reference_wrapper_base_impl): Remove.
	(_Refwrap_base_arg1, _Refwrap_base_arg2): New helpers using __void_t.
	(_Reference_wrapper_base): Inherit from new helpers.

From-SVN: r241151
2016-10-14 10:12:49 +01:00
Jonathan Wakely d67dd0be94 Avoid #include <functional> in other headers
* include/bits/shared_ptr_base.h: Include <functional>.
	[!__cpp_rtti]: Do not include <typeinfo>.
	* include/experimental/array: Do not include <functional>.
	* include/experimental/memory: Include <bits/functional_hash.h>
	instead of <functional>.
	* include/experimental/propagate_const: Include <bits/stl_function.h>,
	<bits/functional_hash.h>, and <bits/move.h> instead of <functional>.
	* include/experimental/tuple: Do not include <functional>.
	* include/std/future: Include <functional>.
	* include/std/memory: Do not include <functional>.
	* include/std/mutex: [_GLIBCXX_HAVE_TLS]: Likewise.
	* testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
	missing includes.
	* testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
	* testsuite/20_util/specialized_algorithms/memory_management_tools/
	1.cc: Likewise.
	* testsuite/30_threads/call_once/60497.cc: Likewise.
	* testsuite/30_threads/lock/2.cc: Likewise.
	* testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
	* testsuite/experimental/algorithm/sample.cc: Likewise.
	* testsuite/experimental/array/make_array.cc: Likewise.
	* testsuite/experimental/array/neg.cc: Likewise. Adjust dg-error line.
	* testsuite/experimental/propagate_const/assignment/move_neg.cc:
	Adjust dg-error lines.
	* testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements2.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements3.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements4.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements5.cc: Likewise.

From-SVN: r241131
2016-10-13 17:59:19 +01:00
Jonathan Wakely 5117a23e9f Use normal mode containers in searchers
* include/experiumental/functional (boyer_moore_searcher)
	(__boyer_moore_map_base, __boyer_moore_array_base): Qualify containers
	with _GLIBCXX_STD_C.
	* include/std/functional: Likewise.

From-SVN: r241126
2016-10-13 16:50:35 +01:00
Jonathan Wakely 0c0d2a4cf0 Replace non-constexpr decrement in std::chrono::floor
* include/std/chrono (floor): Replace non-constexpr operation.
	* testsuite/20_util/duration_cast/rounding.cc: Test conversion to
	durations with floating pointer representations.

From-SVN: r241122
2016-10-13 15:42:09 +01:00
Jonathan Wakely 5579170b40 Replace __bind_simple with std:🧵:__make_invoker
* include/std/functional (_Bind_simple, _Bind_simple_helper)
	(__bind_simple): Remove.
	* include/std/future: Include <bits/invoke.h> instead of <functional>.
	(__future_base::_Task_state::_M_run)
	(__future_base::_Task_state::_M_run_delayed): Use lambda expressions
	instead of __bind_simple.
	(__future_base::_Task_state::_S_maybe_wrap_ref): Remove.
	(async): Use thread::__make_invoker instead of __bind_simple.
	* include/std/thread: Include <tuple> and <bits/invoke.h> instead of
	<functional>.
	(thread::_Invoker, thread::__make_invoker): Define helpers to do
	INVOKE(DECAY_COPY(f), DECAY_COPY(args)...).

From-SVN: r241093
2016-10-13 11:37:13 +01:00
Jonathan Wakely cc06c7f652 Fix exception-specifications for std::_Not_fn
* include/std/functional (_Not_fn): Make exception specifications
	depend on whether negating the result can throw.
	* testsuite/20_util/not_fn/1.cc: Move to ...
	* testsuite/20_util/function_objects/not_fn/1.cc: ... here. Add tests
	for types that can throw when negated and that cannot be negated.

From-SVN: r241091
2016-10-13 11:19:24 +01:00
Jonathan Wakely 3e0c9334e9 Fix exception-specification of std::invoke
* include/bits/invoke.h (__invoke): Fix exception-specification.
	* include/std/functional (invoke): Likewise.
	* testsuite/20_util/function_objects/invoke/1.cc: New test.

From-SVN: r241089
2016-10-13 09:55:40 +01:00
Jonathan Wakely cfbdc34f25 Simplify std::call_once implementation
* include/std/mutex [_GLIBCXX_HAVE_TLS] (_Once_call): Remove.
	(call_once) [_GLIBCXX_HAVE_TLS]: Simplify by removing _Once_call.

From-SVN: r241034
2016-10-12 13:16:15 +01:00
Jonathan Wakely 164b41ebf3 Do not copy std:call_once arguments (LWG 2442)
* doc/xml/manual/intro.xml: Document LWG 2442 status.
	* include/std/mutex [_GLIBCXX_HAVE_TLS] (__once_call_impl): Remove.
	[_GLIBCXX_HAVE_TLS] (_Once_call): Declare primary template and define
	partial specialization to unpack args and forward to std::invoke.
	(call_once) [_GLIBCXX_HAVE_TLS]: Use forward_as_tuple and _Once_call
	instead of __bind_simple and __once_call_impl.
	(call_once) [!_GLIBCXX_HAVE_TLS]: Use __invoke instead of
	__bind_simple.
	* testsuite/30_threads/call_once/dr2442.cc: New test.

From-SVN: r241031
2016-10-12 12:20:25 +01:00
Jonathan Wakely 7571121f10 Remove redundant const qualifliers from string_view
* include/experimental/string_view (basic_string_view::_S_compare):
	Remove redundant const from return type.
	* include/std/string_view (basic_string_view:_S_compare): Likewise.

From-SVN: r240981
2016-10-11 11:33:24 +01:00
Jonathan Wakely 2c15eace95 More noexcept for standard mutex types and locks
* include/bits/std_mutex.h (mutex::native_handle)
	(lock_guard(mutex_type&, adopt_lock_t)
	(unique_lock(mutex_type&, adopt_lock_t): Add noexcept.
	* include/std/mutex (recursive_mutex, timed_mutex)
	(recursive_timed_mutex): Likewise.

From-SVN: r240980
2016-10-11 11:33:16 +01:00
Ville Voutilainen 1725d05d19 Make any's copy assignment operator exception-safe,
don't copy the underlying value when any is moved,
make in_place constructors explicit.
* include/std/any (any(in_place_type_t<_ValueType>, _Args&&...)):
Make explicit.
(any(in_place_type_t<_ValueType>, initializer_list<_Up>, _Args&&...)):
Likewise.
(operator=(const any&)): Make strongly exception-safe.
(operator=(any&&)): reset() unconditionally in the case where
rhs has a value.
(operator=(_ValueType&&)): Indent the return type.
(_Manager_internal<_Tp>::_S_manage): Move in _Op_xfer, don't copy.
* testsuite/20_util/any/assign/2.cc: Adjust.
* testsuite/20_util/any/assign/exception.cc: New.
* testsuite/20_util/any/cons/2.cc: Adjust.
* testsuite/20_util/any/cons/explicit.cc: New.
* testsuite/20_util/any/misc/any_cast_neg.cc: Ajust.

From-SVN: r240951
2016-10-11 01:08:58 +03:00
Jonathan Wakely 40962ac03a Minor simplification to std::_Bind_result helpers
* include/std/functional (_Bind_result::__enable_if_void): Use alias
	template instead of class template.
	(_Bind_result::__disable_if_void): Likewise.
	(_Bind_result::__call): Adjust uses of __enable_if_void and
	__disable_if_void.

From-SVN: r240940
2016-10-10 17:15:52 +01:00
Jonathan Wakely f2e79496bf LWG 2733, LWG 2759 reject bool in gcd and lcm
* include/experimental/numeric (gcd, lcm): Make bool arguments
	ill-formed.
	* include/std/numeric (gcd, lcm): Likewise.
	* testsuite/26_numerics/gcd/gcd_neg.cc: New test.
	* testsuite/26_numerics/lcm/lcm_neg.cc: New test.

From-SVN: r240919
2016-10-10 13:17:34 +01:00
Jonathan Wakely 873c7d5ade Implement std::has_unique_object_representations
* doc/xml/manual/status_cxx2017.xml: Update status.
	* include/std/type_traits (has_unique_object_representations): Define.
	* testsuite/20_util/has_unique_object_representations/value.cc: New.
	* testsuite/20_util/has_unique_object_representations/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/has_unique_object_representations/requirements/
	typedefs.cc: New.

From-SVN: r240868
2016-10-07 19:02:43 +01:00
Jonathan Wakely 937ec71aba Make std::scoped_allocator_adaptor's OUTERMOST recursive
* doc/xml/manual/status_cxx2011.xml: Update status.
	* include/std/scoped_allocator (__outer_allocator_t, __outermost_type):
	New helpers for recursive OUTERMOST.
	(__outermost): Use __outermost_type::_S_outermost.
	(__do_outermost, scoped_allocator_adaptor::__outermost_type): Remove.
	(scoped_allocator_adaptor::__outermost_alloc_traits): Use new
	__outermost_type helper.
	* testsuite/20_util/scoped_allocator/outermost.cc: New test.

From-SVN: r240844
2016-10-06 22:22:35 +01:00
Jonathan Wakely 78ec9c15be PR 70564 disambiguate constructors for not_fn call wrapper
PR libstdc++/70564
	* include/experimental/functional (_Not_fn): Remove.
	(not_fn): Use std::_Not_fn.
	* include/std/functional (_Not_fn): Add second parameter to
	disambiguate copying from initialization by not_fn. Define for C++14.
	(not_fn): Add second argument to initialization.
	* testsuite/20_util/not_fn/1.cc: Copy call wrapper using
	direct-initialization.

From-SVN: r240778
2016-10-05 13:01:36 +01:00
Jonathan Wakely 606dda21c8 Define std::gcd and std::lcm for C++17
* doc/xml/manual/status_cxx2017.xml: Update gcd/lcm status.
	* doc/html/*: Regenerate.
	* include/experimental/numeric (__abs): Move to <numeric>.
	(gcd, lcm): Use __detail::gcd and __detail::lcm.
	* include/std/numeric (__detail::__abs_integral)
	(__detail::__gcd, __detail::__lcm): Define.
	(gcd, lcm): Define for C++17.
	* testsuite/26_numerics/gcd/1.cc: New test.
	* testsuite/26_numerics/lcm/1.cc: New test.
	* testsuite/experimental/numeric/gcd.cc: Swap contents with ...
	* testsuite/experimental/numeric/lcd.cc: ... this.

From-SVN: r240723
2016-10-03 18:01:10 +01:00
Jonathan Wakely e347987da8 Fix libstdc++ versioned namespace build
PR libstdc++/68323
	PR libstdc++/77794
	* config/abi/pre/gnu-versioned-namespace.ver: Add exports for
	__cxa_thread_atexit and __gnu_cxx::__freeres.
	* include/Makefile.am: Add <experimental/bits/lfts_config.h>
	* include/Makefile.in: Regenerate.
	* include.bits/basic_string.h: Fix nesting of versioned namespaces.
	* include/bits/c++config: Declare versioned namespaces for literals.
	* include/bits/regex.h (basic_regex, match_results): Add workarounds
	for PR c++/59256.
	* include/bits/uniform_int_dist.h: Fix nesting of versioned namespace.
	* include/std/chrono: Likewise.
	* include/std/complex: Likewise.
	* include/std/string_view: Likewise.
	* include/std/variant: Likewise. Add workaround for PR c++/59256.
	* include/experimental/bits/fs_fwd.h: Declare versioned namespace.
	* include/experimental/bits/lfts_config.h: Declare versioned
	namespaces.
	* include/experimental/algorithm: Include
	<experimental/bits/lfts_config.h>.
	* include/experimental/any: Likewise.
	* include/experimental/bits/erase_if.h: Likewise.
	* include/experimental/chrono: Likewise.
	* include/experimental/functional: Likewise.
	* include/experimental/memory_resource: Likewise.
	* include/experimental/optional: Likewise.
	* include/experimental/propagate_const: Likewise.
	* include/experimental/random: Likewise.
	* include/experimental/ratio: Likewise.
	* include/experimental/system_error: Likewise.
	* include/experimental/tuple: Likewise.
	* include/experimental/type_traits: Likewise.
	* include/experimental/utility: Likewise.
	* include/experimental/string_view: Likewise. Fix nesting of
	versioned namespaces.
	* include/experimental/bits/string_view.tcc: Reopen inline namespace
	for non-inline function definitions.
	* testsuite/17_intro/using_namespace_std_exp_neg.cc: New test.
	* testsuite/20_util/duration/literals/range.cc: Adjust dg-error line.
	* testsuite/experimental/any/misc/any_cast_neg.cc: Likewise.
	* testsuite/experimental/propagate_const/assignment/move_neg.cc:
	Likewise.
	* testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements2.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements3.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements4.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements5.cc: Likewise.
	* testsuite/ext/profile/mutex_extensions_neg.cc: Likewise.

From-SVN: r240714
2016-10-03 15:35:28 +01:00
Ville Voutilainen 3fe2ddae4b re PR libstdc++/77802 (Boost Fiber doesn't compile)
PR libstdc++/77802
    * testsuite/20_util/tuple/77802.cc: New.

    Revert:
    2016-09-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
    Implement LWG 2729 for tuple.
    * include/std/tuple (_Tuple_impl(_Tuple_impl&&)):
    Suppress conditionally.
    (_Tuple_impl(_Tuple_impl<_Idx, _UHead, _UTails...>&&)): Likewise.
    (__is_tuple_impl_trait_impl, __is_tuple_impl_trait): New.
    (_Tuple_impl(const _Head&)): Constrain.
    (_Tuple_impl(_UHead&&)): Likewise.
    (_Tuple_impl(_Tuple_impl&&)): Suppress conditionally.
    (_Tuple_impl(const _Tuple_impl<_Idx, _UHead>&)): Constrain.
    (_Tuple_impl(_Tuple_impl<_Idx, _UHead>&&)): Likewise.
    (operator=(const tuple&)): Enable conditionally.
    (operator=(tuple&&)): Suppress conditionally.
    (operator=(const tuple<_UElements...>&)): Constrain.
    (operator=(tuple<_UElements...>&&)): Likewise.
    (operator=(const tuple&)): Enable conditionally (2-param tuple).
    (operator=(tuple&&)): Suppress conditionally (2-param tuple).
    (operator=(const tuple<_U1, _U2>&)): Constrain.
    (operator=(tuple<_U1, _U2>&&)): Likewise.
    (operator=(const pair<_U1, _U2>&)): Likewise.
    (operator=(pair<_U1, _U2>&&)): Likewise.
    * testsuite/20_util/tuple/element_access/get_neg.cc: Adjust.
    * testsuite/20_util/tuple/tuple_traits.cc: New.

From-SVN: r240709
2016-10-03 14:06:53 +03:00
Ville Voutilainen a181f67231 Make optional::reset noexcept, make optional::value work in constant expressions.
Make optional::reset noexcept, make optional::value
    work in constant expressions.
    * include/std/optional (_M_get): Make constexpr.
    (reset): Make noexcept.
    * testsuite/20_util/optional/assignment/7.cc: New.
    * testsuite/20_util/optional/observers/6.cc: New.

From-SVN: r240623
2016-09-29 18:20:28 +03:00
Jonathan Wakely b236debd3b * include/std/chrono (system_clock): Fix typo in comment.
From-SVN: r240589
2016-09-28 19:04:23 +01:00
Jonathan Wakely 1b4be62ad3 libstdc++/77686 use may_alias for std::function storage
PR libstdc++/77686
	* include/std/functional (_Any_data): Add may_alias attribute.

From-SVN: r240567
2016-09-28 11:57:46 +01:00
Jonathan Wakely 4940de303c Define feature macro and update C++17 library status
* doc/xml/manual/status_cxx2017.xml: Update status.
	* doc/html/*: Regenerate.
	* include/std/functional (__cpp_lib_boyer_moore_searcher): Define.
	* testsuite/20_util/function_objects/searchers.cc: Test feature macro.

From-SVN: r240550
2016-09-27 16:39:51 +01:00
Ville Voutilainen 71ade764ad re PR libstdc++/77727 (Unwrapping std::optional constructor is not working for non-transferable object)
PR libstdc++/77727
    * include/std/optional (optional(const optional<_Up>&)):
    Default-initialize the base and use emplace.
    (optional(optional<_Up>&&)): Likewise.
    * testsuite/20_util/optional/cons/77727.cc: New.

From-SVN: r240511
2016-09-26 23:51:42 +03:00
Jonathan Wakely 64626fcaaa Always qualify std::forward in <variant>
* include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
	std::forward and ::new. Cast pointer to void*.
	* include/std/variant (_Variant_storage, _Union, _Variant_base)
	(__access, __visit_invoke, variant, visit): Qualify std::forward.
	* testsuite/20_util/variant/compile.cc: Test for ADL problems.

From-SVN: r240344
2016-09-22 10:56:54 +01:00
Tim Shen c42bc5d73b variant (variant::operator=): Fix assignment on references.
* libstdc++-v3/include/std/variant (variant::operator=): Fix assignment
	on references.
	* libstdc++-v3/testsuite/20_util/variant/compile.cc: Add test.

From-SVN: r240343
2016-09-22 08:45:55 +00:00
Tim Shen 41501d1ae7 re PR libstdc++/77641 (std::variant copy-initialization fails for type with non-trivial constexpr ctor)
PR libstdc++/77641
	* include/std/variant (_Variant_storage::_Variant_storage):
	Change _Variant_storage's union to be default constructible.
	* testsuite/20_util/variant/compile.cc: New test.

From-SVN: r240340
2016-09-22 03:15:58 +00:00
Ville Voutilainen b641f833ba re PR libstdc++/77288 (Std::experimental::optional::operator= implementation is broken in gcc 6.1)
PR libstdc++/77288
	* include/std/optional (__is_optional_impl, __is_optional): Remove.
	(__converts_from_optional, __assigns_from_optional): New.
	(optional(_Up&&)): Use is_same instead of __is_optional.
	(optional(const optional<_Up>&)): Constrain with
	__converts_from_optional.
	(optional(optional<_Up>&&)): Likewise.
	(operator=(_Up&&)): Use is_same instead of __is_optional, check
	is_same and is_scalar.
	(operator=(const optional<_Up>&)): Constrain with
	__converts_from_optional and __assigns_from_optional.
	(operator=(optional<_Up>&&)): Likewise.
	* testsuite/20_util/optional/77288.cc: New.
	* testsuite/20_util/optional/cons/value.cc: Adjust.

From-SVN: r240324
2016-09-21 20:37:17 +03:00
Ville Voutilainen 5578678524 Implement LWG 2729 for tuple.
* include/std/tuple (_Tuple_impl(_Tuple_impl&&)):
	Suppress conditionally.
	(_Tuple_impl(_Tuple_impl<_Idx, _UHead, _UTails...>&&)): Likewise.
	(__is_tuple_impl_trait_impl, __is_tuple_impl_trait): New.
	(_Tuple_impl(const _Head&)): Constrain.
	(_Tuple_impl(_UHead&&)): Likewise.
	(_Tuple_impl(_Tuple_impl&&)): Suppress conditionally.
	(_Tuple_impl(const _Tuple_impl<_Idx, _UHead>&)): Constrain.
	(_Tuple_impl(_Tuple_impl<_Idx, _UHead>&&)): Likewise.
	(operator=(const tuple&)): Enable conditionally.
	(operator=(tuple&&)): Suppress conditionally.
	(operator=(const tuple<_UElements...>&)): Constrain.
	(operator=(tuple<_UElements...>&&)): Likewise.
	(operator=(const tuple&)): Enable conditionally (2-param tuple).
	(operator=(tuple&&)): Suppress conditionally (2-param tuple).
	(operator=(const tuple<_U1, _U2>&)): Constrain.
	(operator=(tuple<_U1, _U2>&&)): Likewise.
	(operator=(const pair<_U1, _U2>&)): Likewise.
	(operator=(pair<_U1, _U2>&&)): Likewise.
	* testsuite/20_util/tuple/element_access/get_neg.cc: Adjust.
	* testsuite/20_util/tuple/tuple_traits.cc: New.

From-SVN: r240323
2016-09-21 20:25:16 +03:00
Ville Voutilainen f524d5b34a re PR libstdc++/77537 (pair constructors do not properly SFINAE)
PR libstdc++/77537
	Implement LWG 2729 for pair.
	* include/bits/stl_pair.h (_PCC): New.
	(_ConstructiblePair, _ImplicitlyConvertiblePair):
	Turn into static member functions of _PCC.
	(_MoveConstructiblePair, _ImplicitlyMoveConvertiblePair): Likewise.
	(_PCCP): New.
	(pair(const _T1&, const _T2&)): Adjust.
	(_PCCFP): New.
	(pair(const pair<_U1, _U2>&)): Adjust.
	(pair(_U1&&, const _T2&)): Likewise.
	(pair(const _T1&, _U2&&)): Likewise.
	(pair(_U1&&, _U2&&)): Likewise.
	(pair(pair<_U1, _U2>&&)): Likewise.
	(operator=(const pair&)): Make conditionally deleted.
	(operator=(pair&&)): Make conditionally suppressed.
	(operator=(const pair<_U1, _U2>&)): Constrain.
	(operator=(pair<_U1, _U2>&&): Likewise.
	* include/std/type_traits (__nonesuch): New.
	* testsuite/20_util/pair/traits.cc: New.

From-SVN: r240322
2016-09-21 19:48:35 +03:00
Ville Voutilainen 5e8037ba97 Implement P0253R1, Fixing a design mistake in the searchers interface in Library Fundamentals.
Implement P0253R1, Fixing a design mistake in the searchers
	interface in Library Fundamentals.
	* include/std/functional: (utility): New include in C++17 mode.
	(default_searcher): Use a pair as return type, adjust the definition.
	(boyer_moore_searcher): Likewise.
	(boyer_moore_horspool_searcher): Likewise.
	* testsuite/20_util/function_objects/searchers.cc: Adjust.

From-SVN: r240094
2016-09-12 18:48:32 +03:00
Ville Voutilainen f82dfb8d4e Implement C++17 string searchers.
* include/std/functional: (unordered_map, vector): New includes
	in C++17 mode.
	(array, bits/stl_algo.h): Likewise.
	(default_searcher, __boyer_moore_map_base): New.
	(__boyer_moore_array_base, __is_std_equal_to): Likewise.
	(__boyer_moore_base_t, boyer_moore_searcher): Likewise.
	(boyer_moore_horspool_searcher, make_default_searcher): Likewise.
	(make_boyer_moore_searcher): Likewise.
	(make_boyer_moore_horspool_searcher): Likewise.
	* testsuite/20_util/function_objects/searchers.cc: New.

From-SVN: r240093
2016-09-12 18:48:07 +03:00
Tim Shen f75d599982 variant: include bits/move.h for std::addressof.
2016-09-05  Tim Shen  <timshen@google.com>

	* include/std/variant: include bits/move.h for std::addressof.

From-SVN: r240001
2016-09-05 19:52:11 +00:00
Mikhail Strelnikov eddca7bd73 variant (_Variant_storage::_M_storage()): Use std::addressof instead of operator& to take address.
2016-09-05  Mikhail Strelnikov  <mikhail.strelnikov@gmail.com>

	* include/std/variant (_Variant_storage::_M_storage()): Use std::addressof
	instead of operator& to take address.

From-SVN: r239996
2016-09-05 19:40:44 +00:00
Ville Voutilainen 7875b41f1d re PR libstdc++/77395 (std::is_constructible is false for type constructible via implicit conversion operator affecting std::tuple)
PR libstdc++/77395
	* include/std/type_traits (is_constructible): Forward-declare...
	(__is_base_to_derived_ref): ...and use here.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust.
	* testsuite/20_util/is_constructible/77395.cc: New.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/tuple/77395.cc: New.

From-SVN: r239870
2016-08-30 21:46:11 +03:00
Jonathan Wakely 06db992005 Add constexpr to <iterator> and <array> for C++17
* include/bits/c++config (_GLIBCXX17_CONSTEXPR): Define.
	* include/bits/range_access.h (begin, end, rbegin, rend, crbegin)
	(crend): Add _GLIBCXX17_CONSTEXPR as per P0031R0.
	* include/bits/stl_iterator.h (reverse_iterator, move_iterator)
	(__make_reverse_iterator, make_reverse_iterator, make_move_iterator):
	Likewise.
	* include/bits/stl_iterator_base_funcs.h (__distance, __advance): Add
	_GLIBCXX14_CONSTEXPR.
	(distance, advance, next, prev): Add _GLIBCXX17_CONSTEXPR.
	* include/std/array (array::begin, array::end, array::rbegin)
	(array::rend, array::cbegin, array:cend, array::crbegin)
	(array::crend, array::operator[], array::at, array::front)
	(array::back, array::data): Likewise.
	* testsuite/24_iterators/headers/iterator/range_access.cc: Replace
	with separate tests for C++11, C++14, and C++17.
	* testsuite/24_iterators/headers/iterator/range_access_c++11.cc: New.
	* testsuite/24_iterators/headers/iterator/range_access_c++14.cc: New.
	* testsuite/24_iterators/headers/iterator/range_access_c++17.cc: New.

From-SVN: r239690
2016-08-23 11:13:12 +01:00
Jonathan Wakely 94f54d47ca Add noexcept to std::function swap
PR libstdc++/77322
	* doc/xml/manual/intro.xml: Document DR 2062 change.
	* include/std/functional (function::swap): Add noexcept.
	(swap(function<Res(Args...)&, function<Res(Args...)&)): Likewise.
	* testsuite/20_util/function/77322.cc: New test.

From-SVN: r239662
2016-08-22 17:47:34 +01:00
Jonathan Wakely e6ee5bfd68 Define std::not_fn for C++17
* doc/xml/manual/status_cxx2017.xml: Update status of not_fn.
	* doc/html/*: Regenerate.
	* include/experimental/functional (_Not_fn, not_fn): Match C++17
	semantics.
	* include/std/functional (_Not_fn, not_fn): Define for C++17.
	* testsuite/20_util/not_fn/1.cc: New.
	* testsuite/experimental/functional/not_fn.cc: Test abstract class.
	Remove test for volatile-qualified wrapper.

From-SVN: r239623
2016-08-19 16:42:34 +01:00
Jonathan Wakely 387edf83a0 Define std::atomic<T>::is_always_lock_free for C++17
* include/std/atomic (atomic::is_always_lock_free): Define.
	* testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
	* testsuite/29_atomics/atomic/is_always_lock_free.cc: New.
	* testsuite/29_atomics/atomic_integral/is_always_lock_free.cc: New.
	* doc/xml/manual/status_cxx2017.xml: Update status.
	* doc/html/*: Regenerate.

From-SVN: r239622
2016-08-19 16:42:27 +01:00
Jonathan Wakely 285ee2fb11 Fix ambiguities in C++17 mode
* include/experimental/tuple (apply): Qualify call to __apply_impl.
	* include/std/tuple (apply): Likewise.
	* testsuite/experimental/system_error/value.cc: Fix ambiguities in
	C++17 mode.
	* testsuite/experimental/tuple/tuple_size.cc: Likewise.
	* testsuite/experimental/type_traits/value.cc: Likewise.

From-SVN: r239621
2016-08-19 16:42:11 +01:00
Ville Voutilainen a577f786b6 Implement the latest proposed resolution of LWG 2756.
* include/std/optional (Optional_base(const _Tp&))
	(Optional_base(_Tp&&), using _Base::_Base): Remove.
	(optional(nullopt_t)): New.
	(optional(_Up&&)): Invoke base directly with in_place
	rather than creating a temporary, add default template
	argument, change constraints.
	(optional(const optional<_Up>&)): Invoke base directly
	with in_place, remove unnecessary constraints.
	(optional(optional<_Up>&& __t)): Likewise.
	(optional(in_place_t, _Args&&...)): New.
	(optional(in_place_t, initializer_list<_Up>, _Args&&...)): Likewise.
	(operator=(_Up&&)): Add default template argument, change constraints.
	(operator=(const optional<_Up>&)): Put is_same first in the
	constraints.
	(operator=(optional<_Up>&&)): Likewise.
	* testsuite/20_util/optional/assignment/5.cc: Add a test to
	verify assignment from something that can't be perfect-forwarded.
	* testsuite/20_util/optional/cons/value.cc: Add tests to verify
	that a nested optional is disengaged when constructed
	from a disengaged element type,	and to verify that assignments
	from an engaged element type engage the optional.

From-SVN: r239593
2016-08-18 23:33:57 +03:00
Tim Shen 197c757cb1 Implement <variant>
* include/Makefile.am: Add new file std/variant.
	* include/Makefile.in: Generated from Makefile.am.
	* include/bits/enable_special_members.h: Add a tag type to allow
	the construction in non-default constructor.
	* include/bits/uses_allocator.h: Add convenience traits to
	detect constructibility.
	* include/std/variant: Implement <variant>.
	* testsuite/20_util/variant/compile.cc: Compile-time tests.
	* testsuite/20_util/variant/run.cc: Runtime tests.

From-SVN: r239590
2016-08-18 20:31:26 +00:00
Ville Voutilainen 5c578ae434 Implement LWG 2744 and LWG 2754.
* include/std/any (any(ValueType&&)): Constrain with __is_in_place_type.
	(any(in_place_type_t<_ValueType>, _Args&&...)): Use _Decay.
	(any(in_place_type_t<_ValueType>, initializer_list<_Up>, _Args&&...)):
	Likewise.
	(emplace(_Args&&...)): Likewise.
	(emplace(initializer_list<_Up>, _Args&&...)): Likewise.
	* include/std/utility: (__is_in_place_type_impl): New.
	(__is_in_place_type): Likewise.
	* testsuite/20_util/any/assign/emplace.cc: Add tests for decaying
	emplace.
	* testsuite/20_util/any/cons/in_place.cc: Add tests for decaying
	in_place constructor.
	* testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
	* testsuite/20_util/any/requirements.cc: Add a test for
	in_place-constructing a non-default-constructible type.

From-SVN: r239482
2016-08-15 18:06:09 +03:00
Ville Voutilainen 24299f6544 Add a feature macro for C++17 make_from_tuple.
* include/std/tuple (__cpp_lib_make_from_tuple): New.
	* testsuite/20_util/tuple/make_from_tuple/1.cc: Adjust.

From-SVN: r239480
2016-08-15 15:46:47 +03:00
Ville Voutilainen ca1ab6be3b Implement C++17 make_from_tuple.
* include/std/tuple (__make_from_tuple_impl, make_from_tuple): New.
	* testsuite/20_util/tuple/make_from_tuple/1.cc: Likewise.

From-SVN: r239372
2016-08-11 17:51:47 +03:00
Jonathan Wakely 6ef835c6c0 Use ::new to avoid finding overloaded operator new
PR libstdc++/72820
	* include/std/functional (_Function_base::_Base_manager::_M_clone):
	Qualify new operator.
	* testsuite/20_util/function/cons/72820.cc: New test.

From-SVN: r239191
2016-08-06 11:21:07 +01:00
Jonathan Wakely 3e9f67e6a2 Add std::apply for C++17
* doc/xml/manual/status_cxx2017.xml: Add missing LFTSv2 features.
	* doc/html/manual/status.html: Regenerate.
	* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/bits/invoke.h: New header.
	(__invoke): Make constexpr. Add && to types in exception specification.
	* include/experimental/tuple (apply, __apply_impl): Fix non-reserved
	names. Include <bits/invoke.h> and use std::__invoke.
	* include/std/functional (__invfwd, __invoke_impl, __invoke): Move to
	new header.
	(invoke): Add && to types in exception specification.
	* include/std/tuple (apply, __apply_impl): Define for C++17.
	* testsuite/20_util/tuple/apply/1.cc: New test.
	* testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error
	lineno.

From-SVN: r239183
2016-08-06 01:06:02 +01:00
Jonathan Wakely 5f6acdfb0b Implement C++17 rounding functions for std::chrono (P0092R1)
* include/std/chrono (floor, ceil, round, abs): New for C++17.
	* testsuite/20_util/duration_cast/rounding.cc: New test.
	* testsuite/20_util/time_point_cast/rounding.cc: New test.
	* doc/xml/manual/status_cxx2017.xml: Update status table.
	* doc/html/manual/status.html: Regenerate.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
	dg-error lineno.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
	* testsuite/20_util/duration/literals/range.cc: Likewise.

From-SVN: r239170
2016-08-05 14:52:59 +01:00
Jonathan Wakely 98e6e66233 Use __invoke in std::function internals
* include/std/functional (__callable_functor): Remove.
	(_Function_handler::_M_invoke): Use __invoke instead of
	__callable_functor or mem_fn.
	(function::_Callable): Use lvalue in result_of expression.
	(function): Remove TODO comments about allocators.
	* testsuite/20_util/function/cons/refqual.cc: New test.

From-SVN: r239166
2016-08-05 10:00:34 +01:00
Jonathan Wakely 42183d034d Define std::is_callable and std::is_nothrow_callable
* doc/xml/manual/status_cxx2017.xml: Update status table.
	* include/std/functional (__inv_unwrap): Move to <type_traits>.
	(__invoke_impl): Remove exception specifications.
	(__invoke, invoke): Add exception specifications using
	__is_nothrow_callable.
	* include/std/type_traits (__inv_unwrap): Move from <functional>.
	(__is_callable_impl, __call_is_nt, __call_is_nothrow): New helpers.
	(__is_callable, __is_nothrow_callable): New traits.
	(is_callable, is_callable_v): New C++17 traits.
	(is_nothrow_callable, is_nothrow_callable_v): Likewise.
	* testsuite/20_util/is_callable/requirements/
	explicit_instantiation.cc: New test.
	* testsuite/20_util/is_callable/requirements/
	explicit_instantiation_ext.cc: New test.
	* testsuite/20_util/is_callable/requirements/typedefs.cc: New test.
	* testsuite/20_util/is_callable/requirements/typedefs_ext.cc: New
	test.
	* testsuite/20_util/is_callable/value.cc: New test.
	* testsuite/20_util/is_callable/value_ext.cc: New test.
	* testsuite/20_util/is_nothrow_callable/requirements/
	explicit_instantiation.cc: New test.
	* testsuite/20_util/is_nothrow_callable/requirements/
	explicit_instantiation_ext.cc: New test.
	* testsuite/20_util/is_nothrow_callable/requirements/typedefs.cc:
	New test.
	* testsuite/20_util/is_nothrow_callable/requirements/typedefs_ext.cc:
	New test.
	* testsuite/20_util/is_nothrow_callable/value.cc: New test.
	* testsuite/20_util/is_nothrow_callable/value_ext.cc: New test.

From-SVN: r239145
2016-08-04 19:02:56 +01:00
Jonathan Wakely 7d2035fafe Simplify std::__invoke_impl definitions
* include/std/functional (_Unwrap): Rename to __inv_unwrap.
	(__invfwd): Adjust.
	(__invoke_impl): Remove unused template parameters.
	* testsuite/20_util/function_objects/invoke/59768.cc: Remove unused
	parameter.
	* testsuite/20_util/function_objects/invoke/ref_ext.cc: Copy 59768.cc
	and test __invoke extension for C++11.

From-SVN: r239120
2016-08-04 12:09:29 +01:00
Jonathan Wakely 32eaac9c91 Define std::as_const
* include/std/utility (as_const): Define.
	* testsuite/20_util/as_const/1.cc: New test.
	* testsuite/20_util/as_const/rvalue_neg.cc: New test.

From-SVN: r239090
2016-08-03 19:11:23 +01:00
Jonathan Wakely 068c8ac17c Define C++17 feature-test macros
* include/bits/allocator.h (__cpp_lib_incomplete_container_elements):
	Define feature-test macro.
	* include/bits/range_access.h (__cpp_lib_array_constexpr): Likewise.
	* include/std/shared_mutex (__cpp_lib_shared_mutex): Uncomment.
	* include/std/type_traits (__cpp_lib_logical_traits): Fix value.
	(__cpp_lib_type_trait_variable_templates): Define.

From-SVN: r239088
2016-08-03 19:11:10 +01:00
Jonathan Wakely 27631a2542 Remove deprecated has_trivial_xxx traits
* include/std/type_traits (has_trivial_default_constructor): Remove.
	(has_trivial_copy_constructor, has_trivial_copy_assign): Likewise.
	* testsuite/20_util/has_trivial_copy_assign/requirements/
	explicit_instantiation.cc: Remove test.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
	line number.
	* testsuite/20_util/has_trivial_copy_assign/requirements/typedefs.cc:
	Likewise.
	* testsuite/20_util/has_trivial_copy_assign/value.cc: Likewise.
	* testsuite/20_util/has_trivial_copy_constructor/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/20_util/has_trivial_copy_constructor/requirements/
	typedefs.cc: Likewise.
	* testsuite/20_util/has_trivial_copy_constructor/value.cc: Likewise.
	* testsuite/20_util/has_trivial_default_constructor/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/20_util/has_trivial_default_constructor/requirements/
	typedefs.cc: Likewise.
	* testsuite/20_util/has_trivial_default_constructor/value.cc:
	Likewise.
	* testsuite/20_util/headers/type_traits/types_std_c++0x_neg.cc:
	Check has_trivial_default_constructor, has_trivial_copy_constructor,
	and has_trivial_copy_assign are not defined.
	* testsuite/20_util/pair/requirements/dr801.cc: Remove commented out
	tests.
	* testsuite/20_util/tuple/requirements/dr801.cc: Likewise.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
	dg-error line number.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.

From-SVN: r239079
2016-08-03 16:18:30 +01:00
Jonathan Wakely 3c040fa4a2 libstdc++/72745 add static assertion for invalid tuple access
PR libstdc++/72745
	* include/std/array (get): Use positive message for static assertions.
	* include/std/functional (_Safe_tuple_element_t): Fix indentation.
	* include/std/tuple (tuple_element<I, tuple<>>): Add partial
	specialization for invalid indices, with static assertion.
	* testsuite/20_util/tuple/element_access/get_neg.cc: New test.

From-SVN: r238924
2016-07-31 18:08:52 +01:00
Ville Voutilainen 8c9142276b Add missing variable traits, fix testsuite failures.
* include/bits/uses_allocator.h (uses_allocator_v): New.
	* include/std/functional (is_bind_expression_v, is_placeholder_v):
	Likewise.
	* testsuite/20_util/bind/is_placeholder_v.cc: Likewise.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust.
	* testsuite/20_util/duration/literals/range.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Likewise.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
	* testsuite/20_util/uses_allocator/requirements/uses_allocator_v.cc:
	New.

From-SVN: r238921
2016-07-31 17:52:53 +03:00
Ville Voutilainen 137422c80c Implement C++17 variable templates for type traits.
* include/std/chrono (treat_as_floating_point_v): New.
	* include/std/ratio (ratio_equal_v, ratio_not_equal_v)
	(ratio_less_v, ratio_less_equal_v, ratio_greater_v)
	(ratio_greater_equal_v): Likewise.
	* include/std/system_error (is_error_code_enum_v)
	(is_error_condition_enum_v): Likewise.
	* include/std/tuple (tuple_size_v): Likewise.
	* type_traits (conjunction_v, disjunction_v, negation_v)
	(is_void_v, is_null_pointer_v, is_integral_v, is_floating_point_v)
	(is_array_v, is_pointer_v, is_lvalue_reference_v)
	(is_rvalue_reference_v, is_member_object_pointer_v)
	(is_member_function_pointer_v, is_enum_v, is_union_v)
	(is_class_v, is_function_v, is_reference_v, is_arithmetic_v)
	(is_fundamental_v, is_object_v, is_scalar_v, is_compound_v)
	(is_member_pointer_v, is_const_v, is_volatile_v, is_trivial_v)
	(is_trivially_copyable_v, is_standard_layout_v)
	(is_pod_v, is_literal_type_v, is_empty_v, is_polymorphic_v)
	(is_abstract_v, is_final_v, is_signed_v, is_unsigned_v)
	(is_constructible_v, is_default_constructible_v)
	(is_copy_constructible_v, is_move_constructible_v)
	(is_assignable_v, is_copy_assignable_v, is_move_assignable_v)
	(is_destructible_v, is_trivially_constructible_v)
	(is_trivially_default_constructible_v)
 	(is_trivially_copy_constructible_v, is_trivially_move_constructible_v)
	(is_trivially_assignable_v, is_trivially_copy_assignable_v)
	(is_trivially_move_assignable_v, is_trivially_destructible_v)
	(is_nothrow_constructible_v, is_nothrow_default_constructible_v)
	(is_nothrow_copy_constructible_v, is_nothrow_move_constructible_v)
	(is_nothrow_assignable_v, is_nothrow_copy_assignable_v)
	(is_nothrow_move_assignable_v, is_nothrow_destructible_v)
	(has_virtual_destructor_v, alignment_of_v, rank_v, extent_v)
	(is_same_v, is_base_of_v, is_convertible_v): Likewise.
	* testsuite/19_diagnostics/error_code/is_error_code_v.cc: Likewise.
	* testsuite/20_util/duration/requirements/treat_as_floating_point_v.cc:
	Likewise.
	* testsuite/20_util/ratio/requirements/ratio_equal_v.cc: Likewise.
	* testsuite/20_util/tuple/tuple_size_v.cc: Likewise.
	* testsuite/20_util/variable_templates_for_traits.cc: Likewise.

From-SVN: r238892
2016-07-29 22:01:39 +03:00
Ville Voutilainen ca8f2cb137 Implement std::string_view and P0254r2,
Integrating std::string_view and std::string.
	* include/Makefile.am: Add string_view and string_view.tcc
	to the exported headers.
	* include/Makefile.in: Likewise.
	* include/bits/basic_string.h: Include <string_view> in C++17 mode.
	(__sv_type): New.
	(basic_string(__sv_type, const _Alloc&)): Likewise.
	(operator=(__sv_type)): Likewise.
	(operator __sv_type()): Likewise.
	(operator+=(__sv_type)): Likewise.
	(append(__sv_type __sv)): Likewise.
	(append(__sv_type, size_type, size_type)): Likewise.
	(assign(__sv_type)): Likewise.
	(assign(__sv_type, size_type, size_type)): Likewise.
	(insert(size_type, __sv_type)): Likewise.
	(insert(size_type, __sv_type, size_type, size_type)): Likewise.
	(replace(size_type, size_type, __sv_type)): Likewise.
	(replace(size_type, size_type, __sv_type, size_type, size_type)):
	Likewise.
	(replace(const_iterator, const_iterator, __sv_type)): Likewise.
	(find(__sv_type, size_type)): Likewise.
	(rfind(__sv_type, size_type)): Likewise.
	(find_first_of(__sv_type, size_type)): Likewise.
	(find_last_of(__sv_type, size_type)): Likewise.
	(find_first_not_of(__sv_type, size_type)): Likewise.
	(find_last_not_of(__sv_type, size_type)): Likewise.
	(compare(__sv_type)): Likewise.
	(compare(size_type, size_type, __sv_type)): Likewise.
	(compare(size_type, size_type, __sv_type, size_type, size_type)):
	Likewise.
	* include/bits/string_view.tcc: New.
	* include/std/string_view: Likewise.
	* testsuite/21_strings/basic_string/cons/char/7.cc: Likewise.
	* testsuite/21_strings/basic_string/cons/wchar_t/7.cc: Likewise.
	* testsuite/21_strings/basic_string/modifiers/append/char/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/append/wchar_t/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/assign/char/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/assign/wchar_t/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/insert/char/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/insert/wchar_t/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/replace/char/7.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/replace/wchar_t/7.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/compare/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/compare/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/find/char/5.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/find/wchar_t/5.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operators/char/5.cc: Likewise.
	* testsuite/21_strings/basic_string/operators/wchar_t/5.cc: Likewise.
	* testsuite/21_strings/basic_string_view/capacity/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/char/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/char/2.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/char/3.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/wchar_t/2.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/wchar_t/3.cc: Likewise.
	* testsuite/21_strings/basic_string_view/element_access/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/char/front_back.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/wchar_t/empty.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/wchar_t/front_back.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/include.cc: Likewise.
	* testsuite/21_strings/basic_string_view/inserters/char/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/inserters/char/2.cc: Likewise.
	* testsuite/21_strings/basic_string_view/inserters/char/3.cc: Likewise.
	* testsuite/21_strings/basic_string_view/inserters/pod/10081-out.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/inserters/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/inserters/wchar_t/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/remove_prefix/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/remove_prefix/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/remove_suffix/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/remove_suffix/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/char/13650.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/wchar_t/13650.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/copy/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/copy/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/data/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/data/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/char/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/char/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/wchar_t/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/wchar_t/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/char/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/wchar_t/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/string_conversion/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/substr/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/substr/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operators/char/2.cc: Likewise.
	* testsuite/21_strings/basic_string_view/operators/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/range_access/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char16_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char32_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/typedefs.cc: Likewise.
	* testsuite/21_strings/basic_string_view/types/1.cc: Likewise.

From-SVN: r238823
2016-07-28 18:15:26 +03:00
Jonathan Wakely e87b7d52c3 LWG 2441 Provide exact-width atomic typedefs
* include/std/atomic (atomic_int8_t, atomic_uint8_t, atomic_int16_t)
	(atomic_uint16_t, atomic_int32_t, atomic_uint32_t, atomic_int64_t)
	(atomic_uint64_t): Define (LWG 2441).
	* testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc: Remove empty
	lines.
	* testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Test for
	the new types.
	* doc/xml/manual/intro.xml: Document DR 2441 status.

From-SVN: r238534
2016-07-20 19:21:59 +01:00
Jonathan Wakely 07c772ed4e LWG 2328 Rvalue stream extraction should use perfect forwarding
* include/std/istream (operator>>(basic_istream&&, _Tp&)): Adjust
	to use perfect forwarding (LWG 2328).
	* testsuite/27_io/rvalue_streams.cc: Test perfect forwarding.
	* doc/xml/manual/intro.xml: Document DR 2328 status.

From-SVN: r238533
2016-07-20 19:21:53 +01:00
Ville Voutilainen 40f3e91334 Clean up optional's comments.
From-SVN: r238436
2016-07-18 17:45:56 +03:00
Ville Voutilainen 1ec0f76305 Fix the constraints for any's assignment operator template to properly
reject assignment from a non-copyable lvalue.

From-SVN: r238365
2016-07-15 10:44:22 +03:00
Ville Voutilainen 25a69162c9 Implement P0032R3, Homogeneous interface for variant, any and optional,
for the parts concerning any and optional.
	* include/std/any (_Storage()): Make constexpr and have it
	initialize _M_ptr.
	(any()): Make constexpr.
	(any(const any&)): Adjust.
	(any(any&&)): Likewise.
	(__any_constructible_t): New.
	(any(_ValueType&&)): Constrain.
	(any(in_place_type_t<_Tp>, _Args&&...)): New.
	(any(in_place_type_t<_Tp>, initializer_list<_Up>, _Args&&...)):
	Likewise.
	(~any()): Adjust.
	(operator=(const any&)): Likewise.
	(operator=(any&&)): Likewise.
	(operator=(_ValueType&&)): Constrain.
	(emplace(_Args&&...)): New.
	(emplace(initializer_list<_Up>, _Args&&...)): Likewise.
	(clear()): Remove.
	(reset()): New.
	(swap(any&)): Adjust.
	(empty()): Remove.
	(has_value()): New.
	(type()): Adjust.
	(_Manager_internal::_S_create(_Storage&, _Args&&...)): New.
	(_Manager_external::_S_create(_Storage&, _Args&&...)): Likewise.
	(make_any(_Args&&...)): Likewise.
	(make_any(initializer_list<_Up>, _Args&&...)): Likewise.
	* include/std/optional (in_place_t, in_place): Remove.
	(bad_optional_access): Add a comment referring to LEWG 72.
	(emplace(_Args&&...)): Constrain.
	(has_value()): New.
	(reset()): Likewise.
	(make_optional(_Args&&...)): Likewise.
	(make_optional(initializer_list<_Up>, _Args&&...)): Likewise.
	* include/std/utility (in_place_tag): New.
	(__in_place, __in_place_type, __in_place_index): Likewise.
	(in_place_t, in_place_type_t, in_place_index_t): Likewise.
	(in_place(__in_place*)): Likewise.
	(in_place(__in_place_type<_Tp>*)): Likewise.
	(in_place(__in_place_index<_Idx>*)): Likewise.
	* testsuite/20_util/any/assign/1.cc: Adjust.
	* testsuite/20_util/any/assign/emplace.cc: New.
	* testsuite/20_util/any/assign/self.cc: Adjust.
	* testsuite/20_util/any/cons/1.cc: Likewise.
	* testsuite/20_util/any/cons/in_place.cc: New.
	* testsuite/20_util/any/make_any.cc: Likewise.
	* testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
	* testsuite/20_util/any/misc/swap.cc: Likewise.
	* testsuite/20_util/any/modifiers/1.cc: Likewise.
	* testsuite/20_util/any/requirements.cc: New.
	* testsuite/20_util/in_place/requirements.cc: Likewise.
	* testsuite/20_util/optional/constexpr/in_place.cc: Adjust.
	* testsuite/20_util/optional/in_place.cc: Likewise.
	* testsuite/20_util/optional/make_optional.cc: Add tests for
	the new overloads of make_optional.

From-SVN: r238329
2016-07-14 12:10:05 +03:00
Ville Voutilainen 86c0ec1de1 Implement P0307R2, Making Optional Greater Equal Again.
* include/experimental/optional (_Has_addressof): Fix the comment.
	* include/std/optional (_Has_addressof): Likewise.
	(operator=(_Up&&)): Constrain.
	(operator=(const optional<_Up>&)): Likewise.
	(operator=(optional<_Up>&&)): Likewise.
	(__optional_relop_t): New.
	(operator==(const optional<_Tp>&, const optional<_Tp>&)): Constrain.
	(operator!=(const optional<_Tp>&, const optional<_Tp>&)):
	Constrain and make transparent.
	(operator<(const optional<_Tp>&, const optional<_Tp>&)): Constrain.
	(operator>(const optional<_Tp>&, const optional<_Tp>&)):
	Constrain and make transparent.
	(operator<=(const optional<_Tp>&, const optional<_Tp>&)): Likewise.
	(operator>=(const optional<_Tp>&, const optional<_Tp>&)): Likewise.
	(operator==(const optional<_Tp>&, const _Tp&): Constrain.
	(operator==(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator!=(const optional<_Tp>&, _Tp const&)):
	Constrain and make transparent.
	(operator!=(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator<(const optional<_Tp>&, const _Tp&)): Constrain.
	(operator<(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator>(const optional<_Tp>&, const _Tp&)):
	Constrain and make transparent.
	(operator>(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator<=(const optional<_Tp>&, const _Tp&)): Likewise.
	(operator<=(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator>=(const optional<_Tp>&, const _Tp&)): Likewise.
	(operator>=(const _Tp&, const optional<_Tp>&)): Likewise.
	* testsuite/20_util/optional/constexpr/relops/2.cc: Adjust.
	* testsuite/20_util/optional/constexpr/relops/4.cc: Likewise.
	* testsuite/20_util/optional/relops/1.cc: Likewise.
	* testsuite/20_util/optional/relops/2.cc: Likewise.
	* testsuite/20_util/optional/relops/3.cc: Likewise.
	* testsuite/20_util/optional/relops/4.cc: Likewise.
	* testsuite/20_util/optional/requirements.cc: Add tests to verify
	that optional's relops are transparent and don't synthesize
	operators. Also test that assignment sfinaes.

From-SVN: r238292
2016-07-13 14:25:51 +03:00
Ville Voutilainen 435e56fb52 Implement std::optional.
* include/Makefile.am: Add optional to exported headers.
	* include/Makefile.in: Likewise.
	* include/std/optional: New.
	* testsuite/20_util/optional/typedefs.cc: Likewise.
	* testsuite/20_util/optional/relops/2.cc: Likewise.
	* testsuite/20_util/optional/relops/3.cc: Likewise.
	* testsuite/20_util/optional/relops/4.cc: Likewise.
	* testsuite/20_util/optional/relops/5.cc: Likewise.
	* testsuite/20_util/optional/relops/1.cc: Likewise.
	* testsuite/20_util/optional/relops/6.cc: Likewise.
	* testsuite/20_util/optional/nullopt.cc: Likewise.
	* testsuite/20_util/optional/in_place.cc: Likewise.
	* testsuite/20_util/optional/make_optional.cc: Likewise.
	* testsuite/20_util/optional/assignment/2.cc: Likewise.
	* testsuite/20_util/optional/assignment/3.cc: Likewise.
	* testsuite/20_util/optional/assignment/4.cc: Likewise.
	* testsuite/20_util/optional/assignment/5.cc: Likewise.
	* testsuite/20_util/optional/assignment/1.cc: Likewise.
	* testsuite/20_util/optional/assignment/6.cc: Likewise.
	* testsuite/20_util/optional/cons/value_neg.cc: Likewise.
	* testsuite/20_util/optional/cons/default.cc: Likewise.
	* testsuite/20_util/optional/cons/move.cc: Likewise.
	* testsuite/20_util/optional/cons/value.cc: Likewise.
	* testsuite/20_util/optional/cons/copy.cc: Likewise.
	* testsuite/20_util/optional/requirements.cc: Likewise.
	* testsuite/20_util/optional/observers/2.cc: Likewise.
	* testsuite/20_util/optional/observers/3.cc: Likewise.
	* testsuite/20_util/optional/observers/4.cc: Likewise.
	* testsuite/20_util/optional/observers/5.cc: Likewise.
	* testsuite/20_util/optional/observers/1.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/2.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/3.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/4.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/5.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/1.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/6.cc: Likewise.
	* testsuite/20_util/optional/constexpr/nullopt.cc: Likewise.
	* testsuite/20_util/optional/constexpr/in_place.cc: Likewise.
	* testsuite/20_util/optional/constexpr/make_optional.cc: Likewise.
	* testsuite/20_util/optional/constexpr/cons/default.cc: Likewise.
	* testsuite/20_util/optional/constexpr/cons/value.cc: Likewise.
	* testsuite/20_util/optional/constexpr/observers/2.cc: Likewise.
	* testsuite/20_util/optional/constexpr/observers/3.cc: Likewise.
	* testsuite/20_util/optional/constexpr/observers/4.cc: Likewise.
	* testsuite/20_util/optional/constexpr/observers/5.cc: Likewise.
	* testsuite/20_util/optional/constexpr/observers/1.cc: Likewise.
	* testsuite/20_util/optional/swap/1.cc: Likewise.

From-SVN: r238197
2016-07-10 20:44:21 +03:00
Ville Voutilainen 52e8622199 Implement std::any.
* include/Makefile.am: Add any and c++17_warning.h to exported headers.
	* include/Makefile.in: Likewise.
	* include/std/any: New.
	* testsuite/20_util/any/assign/1.cc: Likewise.
	* testsuite/20_util/any/assign/2.cc: Likewise.
	* testsuite/20_util/any/assign/self.cc: Likewise.
	* testsuite/20_util/any/cons/1.cc: Likewise.
	* testsuite/20_util/any/cons/2.cc: Likewise.
	* testsuite/20_util/any/cons/aligned.cc: Likewise.
	* testsuite/20_util/any/cons/nontrivial.cc: Likewise.
	* testsuite/20_util/any/misc/any_cast.cc: Likewise.
	* testsuite/20_util/any/misc/any_cast_neg.cc: Likewise.
	* testsuite/20_util/any/misc/any_cast_no_rtti.cc: Likewise.
	* testsuite/20_util/any/misc/swap.cc: Likewise.
	* testsuite/20_util/any/modifiers/1.cc: Likewise.
	* testsuite/20_util/any/observers/type.cc: Likewise.
	* testsuite/20_util/any/typedefs.cc: Likewise.

From-SVN: r238061
2016-07-07 01:33:20 +03:00
Daniel Kruegler 6b9539e2aa Provide swappable traits (p0185r1)
2016-06-16  Daniel Kruegler  <daniel.kruegler@gmail.com>

	Provide swappable traits (p0185r1)
	* include/std/type_traits (is_swappable, is_nothrow_swappable,
	is_swappable_with, is_nothrow_swappable_with, is_swappable_v,
	is_nothrow_swappable_v, is_swappable_with_v,
	is_nothrow_swappable_with_v): New.
	* include/bits/stl_pair.h: Use it as per p0185r1.
	* include/bits/stl_queue.h: Likewise.
	* include/bits/stl_stack.h: Likewise.
	* include/bits/unique_ptr.h: Likewise.
	* include/std/tuple: Likewise.
	* include/std/array: Likewise. Fix zero-size member swap.
	* include/bits/hashtable.h: Use __and_.
	* testsuite/20_util/is_nothrow_swappable/requirements/
	explicit_instantiation.cc: Change test options to std=gnu++17.
	* testsuite/20_util/is_nothrow_swappable/requirements/typedefs.cc:
	Likewise.
	* testsuite/20_util/is_nothrow_swappable/value.cc: Likewise.
	* testsuite/20_util/is_swappable/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/20_util/is_swappable/requirements/typedefs.cc: Likewise.
	* testsuite/20_util/is_swappable/value.cc: Likewise.
	* testsuite/20_util/is_nothrow_swappable/requirements/
	explicit_instantiation_ext.cc: New.
	* testsuite/20_util/is_nothrow_swappable/requirements/typedefs_ext.cc:
	New.
	* testsuite/20_util/is_nothrow_swappable/value.h: New.
	* testsuite/20_util/is_nothrow_swappable/value_ext.cc: New.
	* testsuite/20_util/is_nothrow_swappable_with/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_nothrow_swappable_with/requirements/typedefs.cc:
	New.
	* testsuite/20_util/is_nothrow_swappable_with/value.cc: New.
	* testsuite/20_util/is_swappable/requirements/
	explicit_instantiation_ext.cc: New.
	* testsuite/20_util/is_swappable/requirements/typedefs_ext.cc: New.
	* testsuite/20_util/is_swappable/value.h: New.
	* testsuite/20_util/is_swappable/value_ext.cc: New.
	* testsuite/20_util/is_swappable_with/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_swappable_with/requirements/typedefs.cc: New.
	* testsuite/20_util/is_swappable_with/value.cc: New.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust
	dg-error line numbers.
	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
	Likewise.

From-SVN: r237531
2016-06-16 16:07:19 +01:00
Jonathan Wakely 33ac58d529 Remove trailing whitespace from libstdc++ headers
* include/std/array: Remove trailing whitespace.
	* include/std/atomic: Likewise.
	* include/std/bitset: Likewise.
	* include/std/chrono: Likewise.
	* include/std/complex: Likewise.
	* include/std/condition_variable: Likewise.
	* include/std/fstream: Likewise.
	* include/std/functional: Likewise.
	* include/std/future: Likewise.
	* include/std/iomanip: Likewise.
	* include/std/iosfwd: Likewise.
	* include/std/istream: Likewise.
	* include/std/limits: Likewise.
	* include/std/ratio: Likewise.
	* include/std/scoped_allocator: Likewise.
	* include/std/sstream: Likewise.
	* include/std/stdexcept: Likewise.
	* include/std/string: Likewise.
	* include/std/system_error: Likewise.
	* include/std/thread: Likewise.
	* include/std/tuple: Likewise.
	* include/std/type_traits: Likewise.
	* include/std/utility: Likewise.
	* include/std/valarray: Likewise.
	* include/std/vector: Likewise.

From-SVN: r237528
2016-06-16 14:47:35 +01:00
François Dumont 373c00952c tuple (_Head_base<>): Default specialization condition at type declaration.
2016-06-07  François Dumont  <fdumont@gcc.gnu.org>

	* include/std/tuple (_Head_base<>): Default specialization condition at
	type declaration.

From-SVN: r237184
2016-06-07 20:19:19 +00:00
Ville Voutilainen dbc6221fe5 Support allocators in tuples of zero size.
* include/std/tuple (tuple<>::tuple(),
	tuple<>::tuple(allocator_arg_t, const _Alloc&),
	tuple<>::tuple(allocator_arg_t, const _Alloc&, const tuple&)): New.
	* testsuite/20_util/tuple/cons/allocators.cc: Adjust.

From-SVN: r237143
2016-06-06 19:28:59 +03:00
Ville Voutilainen 7a66745357 Protect allocator-overloads of tuple-from-tuple constructors from cases that would create dangling references.
Protect allocator-overloads of tuple-from-tuple constructors
	from cases that would create dangling references.
	* include/std/tuple (tuple(allocator_arg_t, const _Alloc&,
 	const tuple<_UElements...>&), tuple(allocator_arg_t, const _Alloc&,
 	tuple<_UElements...>&&)): Add a check for _NonNestedTuple.
	* testsuite/20_util/tuple/cons/nested_tuple_construct.cc: Adjust.

From-SVN: r237106
2016-06-05 20:39:10 +03:00
Ville Voutilainen 48035dfbea Fix build.
From-SVN: r236823
2016-05-27 17:34:08 +03:00
Ville Voutilainen b702100693 re PR libstdc++/66338 (std::forward_as_tuple() issue with single argument)
2016-05-24  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/66338
	* include/std/tuple (_TMC): Add a check for _NotSameTuple.
	* include/std/tuple (tuple(_UElements&&...)): Remove the separate
	check for _NotSameTuple.
	* include/std/tuple (_TMCT): New.
	* include/std/tuple (tuple(const tuple<_UElements...>&)): Use it.
	* include/std/tuple (tuple(tuple<_UElements...>&&)): Likewise.
	* include/std/tuple (tuple(allocator_arg_t, const _Alloc&,
	      const tuple<_UElements...>&)): Likewise.
	* include/std/tuple (tuple(allocator_arg_t, const _Alloc&,
	      tuple<_UElements...>&&)): Likewise.
	* testsuite/20_util/tuple/cons/66338.cc: New.

From-SVN: r236822
2016-05-27 17:08:37 +03:00
Ville Voutilainen fb334765e2 Avoid endless run-time recursion for copying single-element tuples where the...
Avoid endless run-time recursion for copying single-element
	tuples where the element type is by-value constructible
	from any type.
 	* include/std/tuple (_NotSameTuple): New.
 	* include/std/tuple (tuple(_UElements&&...): Use it.
	* testsuite/20_util/tuple/cons/element_accepts_anything_byval.cc: New.

From-SVN: r236025
2016-05-09 14:03:36 +03:00
Jonathan Wakely 9f9eb84eac libstdc++/70766 use std::addressof instead of operator&
PR libstdc++/70766
	* include/bits/basic_ios.tcc (basic_ios::_M_cache_locale): Use
	__addressof.
	* include/bits/stream_iterator.h (istream_iterator, ostream_iterator):
	Likewise.
	* include/std/atomic (atomic<_Tp>): Likewise.
	* include/std/shared_mutex (shared_lock): Likewise.
	* testsuite/24_iterators/istream_iterator/70766.cc: New test.
	* testsuite/24_iterators/ostream_iterator/70766.cc : New test.
	* testsuite/29_atomics/atomic/60695.cc: Adjust dg-error line number.
	* testsuite/29_atomics/atomic/70766.cc: New test.
	* testsuite/30_threads/shared_lock/70766.cc: New test.

From-SVN: r235565
2016-04-28 13:33:07 +01:00
Jonathan Wakely 45e206963a libstdc++/70767 Define std::numeric_limits<cv T> in C++98 mode
PR libstdc++/70767
	* include/std/limits: Update comments about DRs.
	(numeric_limits<const _Tp>, numeric_limits<volatile _Tp>,
	numeric_limits<const volatile _Tp>): Define unconditionally.

From-SVN: r235486
2016-04-27 12:57:58 +01:00
Jonathan Wakely 90751aa731 Remove unused typedefs in std::bind types
* include/std/function (_Bind, _Bind_result): Remove unused typedefs.

From-SVN: r235157
2016-04-18 17:37:56 +01:00
Jonathan Wakely b05cf382e0 Define std:🧵:id comparison operators at namespace-scope
From-SVN: r235155
2016-04-18 17:16:14 +01:00
Jonathan Wakely 9c5ad80efd Fix construction of std::function from null pointer-to-member
PR libstdc++/69293
	* include/std/functional (_Function_base::_M_not_empty_function):
	Change overloads for pointers to take arguments by value.
	* testsuite/20_util/function/cons/57465.cc: Add tests for
	pointer-to-member cases.

From-SVN: r232504
2016-01-18 11:43:37 +00:00
Torvald Riegel a04d5fc95d libstdc++: Make certain exceptions transaction_safe.
From-SVN: r232454
2016-01-15 22:42:41 +00:00
Daniel Kruegler 26b5ace7ea libstdc++/68877 Reimplement std::__is_swappable
2016-01-12  Daniel Kruegler  <daniel.kruegler@gmail.com>

	PR libstdc++/68877
	* include/std/type_traits: Following N4511, reimplement __is_swappable
	and __is_nothrow_swappable. Move __is_swappable to namespace std,
	adjust callers. Use __is_nothrow_swappable in swap.
	* include/bits/move.h: Use __is_nothrow_swappable in swap.
	* testsuite/20_util/is_nothrow_swappable/value.cc: Extend; remove
	__is_swappable related tests.
	* testsuite/20_util/is_swappable/value.cc: New.
	* testsuite/20_util/is_swappable/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_swappable/requirements/typedefs.cc: New.
	* testsuite/25_algorithms/swap/68877.cc: New.

From-SVN: r232296
2016-01-12 21:19:58 +00:00
Jonathan Wakely 1c3c7c4145 Prevent recursive instantiation in std::function
PR libstdc++/69005
	PR libstdc++/69222
	* include/std/functional (function::_Invoke): Remove, use result_of.
	(function::_Callable): Replace alias template with class template
	and use partial specialization instead of _NotSelf alias template.
	(function(_Functor)): Add "not self" constraint so that _Callable is
	not used while type is incomplete.
	* testsuite/20_util/function/69222.cc: New.

From-SVN: r232273
2016-01-12 14:54:33 +00:00
Jonathan Wakely f885fa898f Use std::addressof in insert iterators, allocators and promises
PR libstdc++/69105
	PR libstdc++/69106
	PR libstdc++/69114
	* include/bits/stl_iterator.h (back_insert_iterator,
	front_insert_iterator, insert_iterator): Use __addressof (LWG 2324).
	* include/bits/uses_allocator.h (__use_alloc): Use __addressof.
	* include/std/future (__future::base::_State_baseV2::__setter):
	Likewise.
	* include/std/scoped_allocator (__outermost): Likewise.
	* testsuite/20_util/scoped_allocator/69114.cc: New.
	* testsuite/20_util/uses_allocator/69114.cc: New.
	* testsuite/30_threads/promise/69106.cc: New.

From-SVN: r232129
2016-01-07 15:01:33 +00:00
Jonathan Wakely 0c3e5dd1e6 Rename bits/mutex.h to avoid clashing with glibc
* include/Makefile.am: Adjust.
	* include/Makefile.in: Regenerate.
	* include/bits/mutex.h: Rename to bits/std_mutex.h.
	* include/std/condition_variable: Adjust include.
	* include/std/mutex: Likewise.

From-SVN: r232101
2016-01-06 13:00:33 +00:00
Jakub Jelinek 818ab71a41 Update copyright years.
From-SVN: r232055
2016-01-04 15:30:50 +01:00
Jonathan Wakely 9643ce888b Add inline to std::__invfwd
PR libstdc++/59768
	* include/std/functional (__invfwd): Add inline specifier.

From-SVN: r231900
2015-12-22 11:37:07 +00:00
Jonathan Wakely a716d11ad4 libstdc++/68995 qualify calls to __callable_functor
PR libstdc++/68995
	* include/std/functional (_function_handler, function): Qualify
	__callable_functor.
	* testsuite/20_util/function/68995.cc: New.

From-SVN: r231880
2015-12-21 13:02:18 +00:00
Jonathan Wakely e9e6a99538 libstdc++/68276 consistently qualify std::forward
PR libstdc++/68276
	* include/std/functional (__invoke_impl, _Mem_fn::operator()): Qualify
	std::forward.
	testsuite/20_util/function_objects/mem_fn/68276.cc: New.

From-SVN: r231879
2015-12-21 13:02:12 +00:00
Ville Voutilainen de0830e12b re PR libstdc++/66693 ([C++17] std::tuple_size fails with const std::array)
PR libstdc++/66693.

	* include/std/tuple (tuple_element, tuple_size, tuple_element_t,
	__tuple_element_t): Move to...
	* include/std/utility: ...here.
	* testsuite/20_util/pair/astuple/astuple.cc: Adjust.
	* testsuite/20_util/pair/astuple/astuple_cpp14.cc: New.
	* testsuite/20_util/tuple/tuple_element.cc: Adjust.
	* testsuite/20_util/tuple/tuple_element_t.cc: Likewise.
	* testsuite/20_util/tuple/tuple_size.cc: Likewise.
	* testsuite/23_containers/array/tuple_interface/tuple_element.cc:
	Likewise.
	* testsuite/23_containers/array/tuple_interface/tuple_element_cpp14.cc:
	New.
	* testsuite/23_containers/array/tuple_interface/tuple_size.cc: Adjust.

From-SVN: r231875
2015-12-21 13:22:16 +02:00
Jonathan Wakely b110e777bd Restore accidentally-removed volatile qualifier
* include/std/functional (_Mu<_Arg, false, false>::operator()): Restore
	accidentally-removed volatile qualifier.

From-SVN: r231660
2015-12-15 17:06:25 +00:00
Jonathan Wakely 72030b28a1 Remove vestigial traces of std::tr1::bind
* include/std/functional (is_placeholder, is_bind_expression): Update
	comments.
	(_Safe_tuple_element): Replace with _Safe_tuple_element_t alias
	template.
	(_Mu): Remove vestigial TR1 return types and update coments.

From-SVN: r231653
2015-12-15 14:17:27 +00:00
Jonathan Wakely 6666731254 Fix cv-qualifiers in std::bind invocation
PR libstdc++/68912
	* include/std/functional (_Bind::operator()): Use lvalue functor to
	deduce return type.
	* testsuite/20_util/bind/68912.cc: New.

From-SVN: r231652
2015-12-15 14:17:17 +00:00
Jonathan Wakely f3d7dd52a6 Fix std::invoke support for reference_wrappers
PR libstdc++/59768
	* include/std/functional (_Unwrap, __invfwd): Define.
	(__invoke_impl): Remove reference_wrapper overloads and use __invfwd.
	* include/std/type_traits (__result_of_memobj, __result_of_memfun):
	Add partial specializations for const reference_wrappers and simplify.
	* testsuite/20_util/bind/ref_neg.cc: Use dg-excess-errors.
	* testsuite/20_util/function_objects/invoke/59768.cc: New.

From-SVN: r231574
2015-12-11 21:45:51 +00:00
Jonathan Wakely 6b4f890601 Improve generated libstdc++ API docs
* doc/doxygen/user.cfg.in: Use EXTENSION_MAPPING tag. Add new headers
	to INPUT. Remove obsolete XML_SCHEMA and XML_DTD tags. Update
	PREDEFINED macros. Set BRIEF_MEMBER_DESC for man-pages.
	* include/backward/strstream: Correct @file comment.
	* include/bits/forward_list.h: Improve Doxygen comments.
	* include/bits/locale_facets_nonio.h: Likewise.
	* include/bits/mutex.h: Likewise.
	* include/bits/shared_ptr.h: Likewise.
	* include/bits/stl_deque.h: Likewise.
	* include/debug/vector (_Safe_vector): Add @brief section to comment.
	* include/experimental/bits/fs_dir.h: Correct @file comment.
	* include/experimental/bits/fs_fwd.h: Likewise.
	* include/experimental/bits/fs_ops.h: Likewise.
	* include/experimental/bits/fs_path.h: Likewise.
	* include/experimental/bits/string_view.tcc: Likewise.
	* include/experimental/optional: Document experimental status.
	* include/experimental/string_view: Correct @file comment.
	* include/ext/pb_ds/detail/bin_search_tree_/traits.hpp: Reduce
	whitespace to avoid Doxygen bug.
	* include/std/bitset: Remove redundant @class Doxygen command. Add
	parentheses to avoid Doxygen bug.
	* include/std/mutex: Improve Doxygen comments.
	* include/tr2/dynamic_bitset: Add missing @param documentation.
	* scripts/run_doxygen: Rename man pages for std::experimental types.

From-SVN: r231512
2015-12-10 14:02:52 +00:00
Jonathan Wakely 755be51d02 PR libstdc++/57060 cope with invalid thread IDs
PR libstdc++/57060
	* include/std/thread (operator==(thread::id, thread::id)): Do not use
	__gthread_equal.
	(operator<(thread::id, thread::id)): Add comment.
	(this_thread::get_id()): Do not use __gthread_self for single-threaded
	programs using glibc.
	* testsuite/30_threads/this_thread/57060.cc: New.

From-SVN: r231289
2015-12-04 17:32:40 +00:00
Jonathan Wakely 5f0b7c9548 PR libstdc++/66059 optimise _Build_index_tuple
PR libstdc++/66059
	* include/std/utility (_Build_index_tuple): Optimise.

From-SVN: r230496
2015-11-17 19:54:33 +00:00
Jennifer Yao 23c64853c8 More fine-grained autoconf checks for C99 library
2015-11-13  Jennifer Yao  <jenny.hyphen.fa@gmail.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/58393
	PR libstdc++/61580
	* acinclude.m4 (GLIBCXX_ENABLE_C99): Perform tests twice, with
	-std=c++11 as well as -std=c++98, and define separate macros for each.
	Cache the results of checking for complex math and wide character
	functions. Reformat for readability.
	* config.h.in: Regenerate.
	* include/bits/c++config: Define _GLIBCXX_USE_C99_XXX macros to
	either _GLIBCXX98_USE_C99_XXX or _GLIBCXX11_USE_C99_XXX according to
	language standard in use.
	* config/locale/dragonfly/c_locale.h (std::__convert_from_v): Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
	* config/locale/generic/c_locale.h (std::__convert_from_v): Likewise.
	* config/locale/gnu/c_locale.h (std::__convert_from_v): Likewise.
	* config/os/bsd/dragonfly/os_defines.h: Define _GLIBCXX_USE_C99_STDIO,
	_GLIBCXX_USE_C99_STDLIB, and _GLIBCXX_USE_C99_WCHAR.
	* configure: Regenerate.
	* include/bits/basic_string.h: Make numeric conversion functions
	depend on _GLIBCXX_USE_C99_STDIO, _GLIBCXX_USE_C99_STDLIB, or
	_GLIBCXX_USE_C99_WCHAR, instead of _GLIBCXX_USE_C99.
	* include/ext/vstring.h: Likewise.
	* include/bits/locale_facets.tcc (std::num_put::_M_insert_float):
	Replace _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
	* include/bits/locale_facets_nonio.tcc (std::money_put::do_put):
	Likewise.
	* include/c_compatibility/math.h: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_MATH.
	* include/c_compatibility/wchar.h: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_WCHAR.
	* include/c_global/cstdio: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDIO.
	* include/c_global/cstdlib: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDLIB.
	* include/c_global/cwchar: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_WCHAR.
	* include/c_std/cstdio: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDIO.
	* include/c_std/cstdlib: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDLIB.
	* include/c_std/cwchar: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_WCHAR.
	* include/tr1/cstdio: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDIO.
	* include/tr1/cstdlib: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDLIB.
	* include/tr1/cwchar: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_WCHAR.
	* include/tr1/stdlib.h: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDLIB.
	* src/c++98/locale_facets.cc (std::__num_base::_S_format_float):
	Replace _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
	* testsuite/18_support/exception_ptr/60612-terminate.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDLIB.
	* testsuite/18_support/exception_ptr/60612-unexpected.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stod.cc
	(test01): Replace _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_WCHAR.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stof.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stoi.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stol.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stold.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stoll.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stoul.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stoull.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	to_wstring.cc: Likewise.
	* testsuite/26_numerics/headers/cstdlib/13943.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDLIB.
	* testsuite/26_numerics/headers/cstdlib/types_std_c++0x.cc: Likewise.
	* testsuite/lib/libstdc++.exp (check_v3_target_string_conversions):
	Change preprocessor #if conditional so that it uses
	_GLIBCXX_USE_C99_STDIO, _GLIBCXX_USE_C99_STDLIB, and
	_GLIBCXX_USE_C99_WCHAR, instead of _GLIBCXX_USE_C99.
	* testsuite/tr1/8_c_compatibility/cmath/templates.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_MATH.
	* testsuite/tr1/8_c_compatibility/cstdio/functions.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
	* testsuite/tr1/8_c_compatibility/cstdlib/functions.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDLIB.
	* testsuite/tr1/8_c_compatibility/cstdlib/types_std_tr1.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cwchar/functions.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_WCHAR.
	* testsuite/util/testsuite_fs.h: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDIO.

Co-Authored-By: Jonathan Wakely <jwakely@redhat.com>

From-SVN: r230324
2015-11-13 14:51:25 +00:00
Jonathan Wakely f022ab0310 * include/std/thread: Include <cerrno> for EINTR.
From-SVN: r230266
2015-11-12 16:13:06 +00:00
Ville Voutilainen c3a6648b1c Implement D0013R2, logical type traits.
2015-11-12  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement D0013R2, logical type traits.

	/libstdc++-v3
	* include/experimental/type_traits (conjunction_v, disjunction_v,
	negation_v): New.
	* include/std/type_traits (conjunction, disjunction, negation):
	Likewise.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Likewise.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/experimental/type_traits/value.cc: Likewise.
	* testsuite/20_util/logical_traits/requirements/explicit_instantiation.cc: New.
	* testsuite/20_util/logical_traits/requirements/typedefs.cc: Likewise.
	* testsuite/20_util/logical_traits/value.cc: Likewise.

	/testsuite
	* g++.dg/cpp0x/Wattributes1.C: Adjust.

From-SVN: r230258
2015-11-12 15:56:31 +02:00
Jonathan Wakely f55e699d3d Loop in std::this_thread sleep functions
PR libstdc++/60421
	* include/std/thread (this_thread::sleep_for): Retry on EINTR.
	(this_thread::sleep_until): Retry if time not reached.
	* src/c++11/thread.cc (__sleep_for): Retry on EINTR.
	* testsuite/30_threads/this_thread/60421.cc: Test interruption and
	non-steady clocks.

From-SVN: r230183
2015-11-11 17:08:51 +00:00
Ville Voutilainen f763219373 Make the default constructors of tuple and pair conditionally explicit.
2015-11-03  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Make the default constructors of tuple and pair conditionally explicit.
	* include/std/type_traits (is_unsigned, __is_array_unknown_bounds,
	__is_default_constructible_atom, __is_default_constructible_safe,
	__is_direct_constructible_new_safe, __is_direct_constructible_ref_cast,
	__is_nt_default_constructible_impl, is_nothrow_default_constructible,
	is_nothrow_constructible, is_nothrow_assignable,
	is_trivially_constructible, is_trivially_copy_constructible,
	is_trivially_move_constructible, is_trivially_assignable,
	is_trivially_copy_assignable, is_trivially_move_assignable,
	is_trivially_destructible): Simplify.
	* include/std/type_traits (
	__do_is_implicitly_default_constructible_impl,
	__is_implicitly_default_constructible_impl,
	__is_implicitly_default_constructible_safe,
	__is_implicitly_default_constructible): New.
	* include/bits/stl_pair.h (pair::pair()): Use it.
	* include/std/tuple (tuple<_T1, _T2>::tuple): Use it.
	* include/std/tuple (_ImplicitlyDefaultConstructibleTuple): New.
	* include/std/tuple (tuple<_Types...>::tuple()): Use it.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust.
	* testsuite/20_util/is_implicitly_default_constructible/requirements/explicit_instantiation.cc: New.
	* testsuite/20_util/is_implicitly_default_constructible/requirements/typedefs.cc: Likewise.
	* testsuite/20_util/is_implicitly_default_constructible/value.cc: Likewise.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Likewise.
	* testsuite/20_util/pair/cons/explicit_construct.cc: Likewise.
	* testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.

From-SVN: r229699
2015-11-03 10:41:40 +02:00
Jonathan Wakely 93e954005f Implement C++17 std::invoke and LWG DR 2219
* include/std/functional (__invoke_impl): New overloads.
	(__invoke): Replace with a single function calling __invoke_impl.
	(invoke): Add C++17 std::invoke.
	(reference_wrapper::operator()): Qualify call to __invoke.
	(_Mem_fn_traits_base, _Mem_fn_traits): Remove unused typedefs.
	(_Mem_fn_base): Remove unused typedefs and implement call operator in
	terms of __invoke.
	* include/std/future (__future_base::_Async_state_commonV2): Do not
	pass reference_wrapper as object argument to call_once.
	* include/std/type_traits (result_of): Define nested __invoke_type.
	Handle reference_wrapper as per LWG 2219.
	* testsuite/20_util/bind/ref_neg.cc: Adjust dg-error directives.
	* testsuite/20_util/function_objects/mem_fn/55463.cc: Remove tests
	using member functions of reference_wrapper.

From-SVN: r229290
2015-10-25 01:00:54 +01:00
Jonathan Wakely 6fbd598400 Return deferred future if thread cannot be run
* include/std/future (async): Use deferred function on exception.
	* testsuite/30_threads/async/except.cc: New.

From-SVN: r229289
2015-10-24 22:36:50 +01:00
Jonathan Wakely f9badf7134 * include/std/type_traits (__cpp_lib_bool_constant): Define.
From-SVN: r229152
2015-10-21 22:20:25 +01:00
Ville Voutilainen 057ce49719 re PR c++/67844 (Cannot make tuple of class with template constructor)
2015-10-05  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR 67844.
	* include/std/tuple (_TC::_NonNestedTuple): Eagerly reject
	conversions from tuple types same as the target tuple.
	* testsuite/20_util/tuple/67844.cc: New.
	* testsuite/20_util/tuple/cons/nested_tuple_construct.cc: Add
	a missing copyright header.

From-SVN: r228468
2015-10-05 12:57:20 +03:00
Jonathan Wakely ce535a9685 Reduce space and time overhead of std::thread
PR libstdc++/65393
	* config/abi/pre/gnu.ver: Export new symbols.
	* include/std/thread (thread::_State, thread::_State_impl): New types.
	(thread::_M_start_thread): Add overload taking unique_ptr<_State>.
	(thread::_M_make_routine): Remove.
	(thread::_S_make_state): Add.
	(thread::_Impl_base, thread::_Impl, thread::_M_start_thread)
	[_GLIBCXX_THREAD_ABI_COMPAT] Only declare conditionally.
	* src/c++11/thread.cc (execute_native_thread_routine): Rename to
	execute_native_thread_routine_compat and re-define to use _State.
	(thread::_State::~_State()): Define.
	(thread::_M_make_thread): Define new overload.
	(thread::_M_make_thread) [_GLIBCXX_THREAD_ABI_COMPAT]: Only define old
	overloads conditionally.

From-SVN: r228242
2015-09-29 13:54:05 +01:00
Jonathan Wakely 80400b0477 LWG 2135: terminate() in condition_variable::wait()
* include/std/condition_variable (condition_variable::wait): Add
	noexcept.
	* src/c++11/condition_variable.cc (condition_variable::wait): Call
	std::terminate on error (DR 2135).

From-SVN: r228217
2015-09-28 19:44:40 +01:00
Ville Voutilainen 5e2f2cd584 Avoid creating dangling references in case of nested tuples
for tuple constructors that construct from other tuples.

2015-09-25  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Avoid creating dangling references in case of nested tuples
	for tuple constructors that construct from other tuples.
	* include/std/tuple (_TC::_NonNestedTuple): New.
	* include/std/tuple (tuple::_TNTC): New.
	* include/std/tuple (tuple(const tuple<_UElements...>&),
	tuple(tuple<_UElements...>&&): Use _TNTC.
	* testsuite/20_util/tuple/cons/nested_tuple_construct.cc: New.

From-SVN: r228134
2015-09-25 19:41:45 +03:00
Jonathan Wakely 310055e7b4 Handle alignment in __atomic_is_lock_free
gcc:

2015-09-17  Richard Henderson  <rth@redhat.com>

	PR libstdc++/65913
	* builtins.c (fold_builtin_atomic_always_lock_free): Handle fake
	pointers that encode the alignment of the object.

libstdc++-v3:

2015-09-17  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/65913
	* include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(),
	__atomic_base<_PTp*>::is_lock_free()): Call the built-in with the
	immediate pointer value, not a variable.
	* include/std/atomic (atomic<T>::is_lock_free()): Likewise.
	* testsuite/29_atomics/atomic/65913.cc: New.

From-SVN: r227878
2015-09-17 16:46:04 +01:00
Jonathan Wakely 2eb57e545b Remove redundant conditional expressions in <system_error>
* include/std/system_error (error_code::operator bool(),
	error_condition::operator bool()): Remove redundant conditional
	expression.

From-SVN: r227871
2015-09-17 15:56:50 +01:00
Jonathan Wakely 2f1e8e7c47 Enable lightweight checks with _GLIBCXX_ASSERTIONS.
* doc/xml/manual/using.xml (_GLIBCXX_ASSERTIONS): Document.
	* doc/html/manual/using_macros.html: Regenerate.
	* include/bits/c++config: Define _GLIBCXX_ASSERTIONS when
	_GLIBCXX_DEBUG is defined. Disable std::string extern templates when
	(_GLIBCXX_EXTERN_TEMPLATE, __glibcxx_assert): Depend on
	_GLIBCXX_ASSERTIONS instead of _GLIBCXX_DEBUG.
	* include/debug/debug.h [!_GLIBCXX_DEBUG]: Define
	__glibcxx_requires_non_empty_range and __glibcxx_requires_nonempty.
	* include/backward/auto_ptr.h (auto_ptr::operator*,
	auto_ptr::operator->): Replace _GLIBCXX_DEBUG_ASSERT with
	__glibcxx_assert.
	* include/bits/basic_string.h (basic_string::operator[],
	basic_string::front, basic_string::back, basic_string::pop_back):
	Likewise.
	* include/bits/random.h
	(uniform_int_distribution::param_type::param_type,
	uniform_real_distribution::param_type::param_type,
	normal_distribution::param_type::param_type,
	gamma_distribution::param_type::param_type,
	bernoulli_distribution::param_type::param_type,
	binomial_distribution::param_type::param_type,
	geometric_distribution::param_type::param_type,
	negative_binomial_distribution::param_type::param_type,
	poisson_distribution::param_type::param_type,
	exponential_distribution::param_type::param_type): Likewise.
	* include/bits/regex.h (match_results::operator[],
	match_results::prefix, match_results::suffix): Likewise.
	* include/bits/regex.tcc (format, regex_iterator::operator++):
	Likewise.
	* include/bits/regex_automaton.tcc (_StateSeq::_M_clone): Likewise.
	* include/bits/regex_compiler.tcc (_Compiler::_Compiler,
	_Compiler::_M_insert_character_class_matcher): Likewise.
	* include/bits/regex_executor.tcc (_Executor::_M_dfs): Likewise.
	* include/bits/regex_scanner.tcc (_Scanner::_M_advance,
	_Scanner::_M_scan_normal): Likewise.
	* include/bits/shared_ptr_base.h (__shared_ptr::_M_reset,
	__shared_ptr::operator*): Likewise.
	* include/bits/stl_iterator_base_funcs.h (__advance): Likewise.
	* include/bits/unique_ptr.h (unique_ptr::operator*,
	unique_ptr::operator[]): Likewise.
	* include/experimental/fs_path.h (path::path(string_type, _Type),
	path::iterator::operator++, path::iterator::operator--,
	path::iterator::operator*): Likewise.
	* include/experimental/string_view (basic_string_view::operator[],
	basic_string_view::front, basic_string_view::back,
	basic_string_view::remove_prefix): Likewise.
	* include/ext/random (beta_distribution::param_type::param_type,
	normal_mv_distribution::param_type::param_type,
	rice_distribution::param_type::param_type,
	pareto_distribution::param_type::param_type,
	k_distribution::param_type::param_type,
	arcsine_distribution::param_type::param_type,
	hoyt_distribution::param_type::param_type,
	triangular_distribution::param_type::param_type,
	von_mises_distribution::param_type::param_type,
	hypergeometric_distribution::param_type::param_type,
	logistic_distribution::param_type::param_type): Likewise.
	* include/ext/vstring.h (__versa_string::operator[]): Likewise.
	* include/std/complex (polar): Likewise.
	* include/std/mutex [!_GTHREAD_USE_MUTEX_TIMEDLOCK]
	(timed_mutex::~timed_mutex, timed_mutex::unlock,
	(recursive_timed_mutex::~timed_mutex, recursive_timed_mutex::unlock):
	Likewise.
	* include/std/shared_mutex [!PTHREAD_RWLOCK_INITIALIZER]
	(__shared_mutex_pthread::__shared_mutex_pthread,
	__shared_mutex_pthread::~__shared_mutex_pthread): Likewise.
	(__shared_mutex_pthread::lock, __shared_mutex_pthread::try_lock,
	__shared_mutex_pthread::unlock, __shared_mutex_pthread::lock_shared,
	__shared_mutex_pthread::try_lock_shared): Likewise.
	(__shared_mutex_cv::~__shared_mutex_cv, __shared_mutex_cv::unlock,
	__shared_mutex_cv::unlock_shared): Likewise.
	(shared_timed_mutex::try_lock_until,
	shared_timed_mutex::try_lock_shared_until): Likewise.
	* include/std/valarray (valarray::valarray(const _Tp*, size_t),
	valarray::operator=, valarray::sum, valarray::min, valarray::max,
	_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT, _DEFINE_BINARY_OPERATOR):
	Likewise.

From-SVN: r227595
2015-09-09 18:12:47 +01:00
Jonathan Wakely c79c59f024 fix darwin bootstrap errors due to <mutex>.
PR libstdc++/65704
	* include/std/mutex (recursive_timed_mutex): Fix uses of _Can_lock.

From-SVN: r227495
2015-09-04 17:09:05 +01:00
Jonathan Wakely f16081c2c6 Add portable timed_mutex and recursive_timed_mutex.
PR libstdc++/65704
	* include/Makefile.am: Add <bits/mutex.h>.
	* include/Makefile.in: Regenerate.
	* include/bits/mutex.h (__mutex_base, mutex, lock_guard, unique_lock):
	New file containing types moved from <mutex>.
	* include/std/condition_variable: Include <bits/mutex.h> instead of
	<mutex>.
	* include/std/mutex (__mutex_base, mutex, lock_guard, unique_lock):
	Move to <bits/mutex.h>.
	*  testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Remove
	dg-require-gthreads-timed.
	*  testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/dest/
	destructor_locked.cc: Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc: Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc: Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/dest/destructor_locked.cc:
	Likewise.
	*  testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/requirements/standard_layout.cc:
	Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
	*  testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
	*  testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
	*  testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
	*  testsuite/30_threads/unique_lock/locking/4.cc: Likewise.

From-SVN: r227490
2015-09-04 12:23:44 +01:00
Jonathan Wakely c8c030589b Clean up libstdc++ includes slightly.
* include/bits/shared_ptr_base.h: Add required header.
	* include/std/condition_variable: Likewise.
	* include/std/mutex: Remove unused header.
	* include/std/shared_mutex: Remove redundant header.
	(shared_mutex::shared_mutex()): Replace throw with __throw_bad_alloc.

From-SVN: r227469
2015-09-03 21:40:03 +01:00
Sebastian Huber d8e19f3114 re PR libstdc++/67408 (<mutex> assumes that __gthread_mutex_t and__gthread_recursive_mutex_t are the same types)
2015-09-02  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	PR libstdc++/67408
	* include/std/mutex (__timed_mutex_impl::_M_try_lock_until): Use
	_Derived::_M_timedlock().
	(timed_mutex): Add _M_timedlock() and make base class a friend.
	(recursive_timed_mutex): Likewise.

From-SVN: r227400
2015-09-02 11:51:14 +01:00
Eelis van der Weegen 4c80e54478 shared_mutex (shared_mutex::unlock()): Fix typo.
2015-08-13  Eelis van der Weegen  <eelis@eelis.net>

	* include/std/shared_mutex (shared_mutex::unlock()): Fix typo.

From-SVN: r226862
2015-08-13 14:57:28 +01:00
Tim Shen 81b7ff079a regex_automaton.h (_State_base, _State<>): Remove _TraitsT dependency from _State<>...
* include/bits/regex_automaton.h (_State_base, _State<>):
	Remove _TraitsT dependency from _State<>; Make matcher member
	into the union to reduce struct size.
	* include/bits/regex_automaton.tcc (_State_base<>::_M_print,
	_State_base<>::_M_dot, _StateSeq<>::_M_clone):
	Adjust to fit the interface. Factor out common parts in
	_M_clone as _State<>::_M_has_alt.
	* include/bits/regex_executor.h (_Executer<>::_M_lookahead):
	Only pass state id instead of the whole state.
	* include/bits/regex_executor.tcc (_Executer<>::_M_dfs,
	_Executer<>::_M_lookahead): Adjust to fit the interface.
	* include/std/regex: Include <ext/aligned_buffer.h>

From-SVN: r226395
2015-07-30 10:35:45 +00:00
Jonathan Wakely 6af6bef4ac Implement N4502, the C++ Detection Idiom.
* doc/xml/manual/status_cxx2017.xml: Update status table.
	* include/experimental/type_traits (void_t, is_detected,
	is_detected_v, detected_t, detected_or, detected_or_t,
	is_detected_exact, is_detected_exact_v, is_detected_convertible,
	is_detected_convertible_v): Define.
	* include/std/type_traits (__detector, __detected_or, __detected_or_t,
	__detected_or_t_): Define.
	* testsuite/experimental/type_traits/detection.cc: New.

From-SVN: r225242
2015-07-01 13:23:54 +01:00
Ville Voutilainen bf7818bfb0 Implement N4387, "Improving pair and tuple", and LWG 2367.
2015-06-30  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement N4387, "Improving pair and tuple", and LWG 2367.

	* include/bits/stl_pair.h (_ConstructiblePair,
	_ImplicitlyConvertiblePair, _MoveConstructiblePair,
	_ImplicitlyMoveConvertiblePair): New.
	(pair()): Constrain it.
	(pair(const _T1&, const _T2&), pair(const pair<_U1, _U2>&),
	pair(_U1&&, const _T2&), pair(const _T1&, _U2&&), pair(_U1&&, _U2&&),
	pair(pair<_U1, _U2>&&)): Make conditionally explicit.
	* include/std/tuple (_TC, tuple::_TC2, tuple::TCC, tuple::TMC): New.
	(tuple()): Constrain it.
	(tuple(const _UElements&...), tuple(_UElements&&...),
	tuple(const tuple<_UElements...>&), tuple(tuple<_UElements...>&&),
	tuple(allocator_arg_t, const _Alloc&, const _UElements&...),
	tuple(allocator_arg_t, const _Alloc&, _UElements&&...),
	tuple(allocator_arg_t, const _Alloc&, const tuple<_UElements...>&),
	tuple(allocator_arg_t, const _Alloc&, tuple<_UElements...>&&),
	tuple(const pair<_U1, _U2>&), tuple(pair<_U1, _U2>&&),
	tuple(allocator_arg_t, const _Alloc&, const pair<_U1, _U2>&),
	tuple(allocator_arg_t, const _Alloc&, pair<_U1, _U2>&&)): Make
	conditionally explicit.
	* include/experimental/functional (__boyer_moore_array_base): Name
	array type explicitly instead of using an empty braced-init-list.
	* testsuite/20_util/pair/cons/explicit_construct.cc: New.
	* testsuite/20_util/pair/piecewise.cc: Use piecewise_construct.
	* testsuite/20_util/pair/requirements/dr2367.cc: New.
	* testsuite/20_util/tuple/cons/explicit_construct.cc: New.
	* testsuite/20_util/tuple/requirements/dr2367.cc: New.

From-SVN: r225189
2015-06-30 14:26:49 +01:00
Jonathan Wakely a2b5fdcbdb Implement N4258 (Cleaning-up noexcept in the Library rev 3)
* doc/xml/manual/intro.xml: Document LWG 2108 status.
	* include/bits/alloc_traits.h (allocator_traits::is_always_equal):
	Define.
	* include/bits/allocator.h (allocator::is_always_equal): Likewise.
	* include/bits/forward_list.h
	(forward_list::operator=(forward_list&&)): Use __bool_constant.
	(forward_list::swap(forward_list&)): Add noexcept.
	* include/bits/hashtable.h (_Hashtable::operator=(_Hashtable&&)):
	Likewise.
	(_Hashtable::swap(_Hashtable&)): Likewise.
	* include/bits/stl_deque.h (_Deque_base::_Deque_base(_Deque_base&&)):
	Use _Alloc_traits::is_always_equal.
	(deque::operator=(deque&&)): Likewise.
	(deque::_M_move_assign1(deque&&, false_type)): Add comment and use
	__bool_constant.
	(swap(deque&, deque&)): Add noexcept.
	* include/bits/stl_list.h (list::operator=(list&&)): Use
	__bool_constant.
	(swap(list&, list&)): Add noexcept.
	* include/bits/stl_map.h (map::swap(map&)): Include _Compare in
	noexcept.
	(swap(map&, map&)): Add noexcept.
	* include/bits/stl_multimap.h (multimap::swap(multimap&)): Include
	_Compare in noexcept.
	(swap(multimap&, multimap&)): Add noexcept.
	* include/bits/stl_multiset.h (multiset::swap(multiset&)): Include
	_Compare in noexcept.
	(swap(multiset&, multiset&)): Add noexcept.
	* include/bits/stl_set.h (set::swap(set&)): Include _Compare in
	noexcept.
	(swap(set&, set&)): Add noexcept.
	* include/bits/stl_tree.h (_Rb_tree::operator=(_Rb_tree&&)): Include
	_Compare in noexcept.
	(_Rb_tree::_Rb_tree(_Rb_tree&&, _Node_alloc_type&&)): Use
	is_always_equal.
	* include/bits/stl_vector.h (vector::operator=(vector&&)): Use
	__bool_constant.
	(swap(vector&, vector&)): Add noexcept.
	* include/bits/unordered_map.h (swap(unordered_map&, unordered_map&),
	swap(unordered_multimap& unordered_multimap&)): Add noexcept.
	* include/bits/unordered_set.h (swap(unordered_set&, unordered_set&),
	swap(unordered_multiset& unordered_multiset&)): Add noexcept.
	* include/ext/alloc_traits.h (__allocator_always_compares_equal):
	Remove.
	(__alloc_traits::_S_always_equal()): Use is_always_equal instead of
	__allocator_always_compares_equal.
	* include/ext/array_allocator.h (array_allocator::is_always_equal):
	Define.
	* include/std/scoped_allocator (__any_of, __propagate_on_copy,
	__propagate_on_move, __propagate_on_swap): Remove.
	(scoped_allocator_adaptor::propagate_on_container_copy_assignment,
	scoped_allocator_adaptor::propagate_on_container_move_assignment,
	scoped_allocator_adaptor::propagate_on_container_swap): Define with
	__and_ instead of __any_of.
	(scoped_allocator_adaptor::is_always_equal): Define.
	* testsuite/20_util/allocator_traits/members/is_always_equal.cc: New.
	* testsuite/20_util/scoped_allocator/propagation.cc: Make traits
	derive from true_type or false_type.
	* testsuite/23_containers/deque/allocator/move_assign-2.cc: Add
	is_always_equal member and remove the trait specialization.
	* testsuite/23_containers/vector/52591.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/assign_neg.cc:
	Adjust dg-error line number.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
	Likewise.

From-SVN: r225081
2015-06-26 21:10:24 +01:00
François Dumont 7d17de7f73 array: Include <array>.
2015-06-23  François Dumont  <fdumont@gcc.gnu.org>

	* include/debug/array: Include <array>. Add version namespace when
	specializing tuple interface to array. Add specialization for
	__is_tuple_like_impl.
	* include/profile/array: Likewise.
	* include/std/array: Include <utility>. Add specialization for
	__is_tuple_like_impl.
	* include/std/tuple
	(__is_tuple_like_impl<>, __is_tuple_like_impl<pair>): Move...
	* include/std/utility: ... here. Include <type_traits>.
	* testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adjust
	dg-error line number.
	* testsuite/23_containers/array/tuple_interface/
	tuple_element_debug_neg.cc: Likewise.

From-SVN: r224857
2015-06-23 19:51:02 +00:00
Jonathan Wakely 7672ab25db tuple (__is_tuple_like_impl): Disambiguate array in debug and profile modes.
* include/std/tuple (__is_tuple_like_impl): Disambiguate array in
	debug and profile modes.
	* testsuite/25_algorithms/headers/algorithm/synopsis.cc: Adjust tests
	for swap in C++11 and later.

From-SVN: r224397
2015-06-12 00:22:19 +01:00
Jonathan Wakely 46ba128114 status_cxx2017.xml: Update status tables.
* doc/xml/manual/status_cxx2017.xml: Update status tables.
	* doc/html/manual/*: Regenerate.
	* include/std/type_traits (bool_constant): Define.
	* testsuite/20_util/bool_constant/requirements.cc: New.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
	Likewise.

From-SVN: r224160
2015-06-05 18:17:53 +01:00
Jonathan Wakely 712266515f shared_mutex (__shared_mutex_pthread, [...]): New helper types implementing the shared mutex requirements.
* include/std/shared_mutex (__shared_mutex_pthread,
	__shared_mutex_cv): New helper types implementing the shared mutex
	requirements.
	(shared_mutex): New type for C++17.
	(shared_timed_mutex): Derive from one of the new helper types.
	* testsuite/30_threads/shared_mutex/cons/1.cc: New.
	* testsuite/30_threads/shared_mutex/cons/assign_neg.cc: New.
	* testsuite/30_threads/shared_mutex/cons/copy_neg.cc: New.
	* testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
	New.
	* testsuite/30_threads/shared_mutex/try_lock/1.cc: New.
	* testsuite/30_threads/shared_mutex/try_lock/2.cc: New.

From-SVN: r224158
2015-06-05 17:31:05 +01:00
Ville Voutilainen ddb63209a8 Add __is_nothrow_swappable and take it into use.
2015-06-04  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Add __is_nothrow_swappable and take it into use.
	* include/bits/algorithmfwd.h (swap): Only declare for C++98 mode.
	* include/bits/move.h (swap): Add constraints in C++11 and later.
	* include/bits/stl_pair.h (swap): Use __is_nothrow_swappable
	for the free swap function for pair.
	* include/bits/stl_queue.h (swap): Use __is_nothrow_swappable
	for the free swap functions for queue and priority_queue.
	* include/bits/stl_stack.h (swap): Use __is_nothrow_swappable
	for the free swap function for stack.
	* include/debug/array (swap): Use __is_nothrow_swappable
	for the free swap function for array.
	* include/profile/array (swap): Likewise.
	* include/std/array (swap): Likewise.
	* include/std/tuple (_Tuple_impl::_M_swap): Use __is_nothrow_swappable.
	* include/std/type_traits (__is_swappable_impl::__is_swappable,
	__is_nothrow_swappable_impl, __is_nothrow_swappable): New.
	* testsuite/20_util/is_nothrow_swappable/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_nothrow_swappable/requirements/typedefs.cc:
	New.
	* testsuite/20_util/is_nothrow_swappable/value.cc: New.

From-SVN: r224153
2015-06-05 15:44:26 +01:00
Jonathan Wakely 75eb64433e future (__async_result_of): New alias template.
* include/std/future (__async_result_of): New alias template.
	(async): Use __async_result_of to pass decayed types to result_of.
	* testsuite/30_threads/async/lwg2021.cc: New.
	* doc/xml/manual/intro.xml: Document LWG 2021 status.

From-SVN: r223866
2015-05-29 14:44:52 +01:00
Jonathan Wakely 6a344b953a re PR libstdc++/65352 (array<T,0>::begin()/end() etc. forms a null reference and breaks on clang+ubsan)
PR libstdc++/65352
	* include/std/array (__array_traits::_S_ptr): New function.
	(array::data): Use _S_ptr to avoid creating invalid reference.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust
	dg-error line numbers.
	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
	likewise.

From-SVN: r223806
2015-05-28 12:53:35 +01:00
Jonathan Wakely e6508eaf69 future (packaged_task(allocator_arg_t, const A&, F&&): Remove explicit (LWG 2407).
* include/std/future (packaged_task(allocator_arg_t, const A&, F&&):
	Remove explicit (LWG 2407).

From-SVN: r223161
2015-05-13 14:54:40 +01:00
Jonathan Wakely d0cad9fef0 * include/std/complex (polar): Check for negative rho (LWG 2459).
From-SVN: r223159
2015-05-13 14:32:31 +01:00
Jonathan Wakely ac68f97cfe tuple (apply): Handle pointers to member (LWG 2418).
* include/experimental/tuple (apply): Handle pointers to member (LWG
	2418).
	* include/std/functional (_Mem_fn_base): Make constructors constexpr.
	(_Maybe_wrap_member_pointer::__do_wrap): Make constexpr.
	* testsuite/experimental/tuple/apply.cc: Test pointer to member.

From-SVN: r223158
2015-05-13 14:12:48 +01:00
Jonathan Wakely f6341d8d09 re PR libstdc++/51617 ([C++0x] async(f) isn't.)
PR libstdc++/51617
	* include/std/future (async): Change default policy to launch::async.

From-SVN: r222793
2015-05-05 02:56:47 +01:00
Jonathan Wakely cb2ef49e83 re PR libstdc++/65978 (missing constexpr on std::forward_as_tuple and std::tie (LWG issues 2275 and 2301))
PR libstdc++/65978
	* include/std/tuple (forward_as_tuple, tie): Add constexpr.
	* testsuite/20_util/tuple/creation_functions/constexpr.cc: Uncomment
	and fix tests for forward_as_tuple and tie.

From-SVN: r222719
2015-05-02 12:20:03 +01:00
Jonathan Wakely 6fc456c36b memory (pointer_safety, [...]): Define.
* include/std/memory (pointer_safety, declare_reachable,
	undeclare_reachable, declare_no_pointers, undeclare_no_pointers,
	get_pointer_safety): Define.
	* testsuite/20_util/pointer_safety/1.cc: New.

From-SVN: r222674
2015-05-01 12:02:18 +01:00
Jonathan Wakely 0ca7ba9aa6 Implement N4100 File System TS
* acinclude.m4 (GLIBCXX_ENABLE_FILESYSTEM_TS): Define.
	(GLIBCXX_CHECK_FILESYSTEM_DEPS): Define.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Enable filesystem TS and check its dependencies.
	* include/Makefile.am: Add new headers.
	* include/Makefile.in: Regenerate.
	* include/bits/locale_conv.h (__do_str_code_cvt, __str_codecvt_in,
	__str_codecvt_out): Move code conversion logic from wstring_convert
	into new global functions.
	(wstring_convert::to_bytes, wstring_convert::from_bytes): Use new
	functions.
	(wstring_convert::_M_conv): Remove.
	* include/bits/quoted_string.h (_Quoted_string): Split out of iomanip.
	* include/experimental/filesystem: New.
	* include/experimental/fs_dir.h: New.
	* include/experimental/fs_fwd.h: New.
	* include/experimental/fs_ops.h: New.
	* include/experimental/fs_path.h: New.
	* include/std/iomanip (_Quoted_string): Move to bits/quoted_string.h.
	* python/libstdcxx/v6/printers.py (StdExpPathPrinter): Add.
	* src/Makefile.am (SUBDIRS): Add filesystem.
	* src/Makefile.in: Regenerate.
	* src/filesystem/Makefile.am: New.
	* src/filesystem/Makefile.in: New.
	* src/filesystem/dir.cc: New.
	* src/filesystem/ops.cc: New.
	* src/filesystem/path.cc: New.
	* testsuite/experimental/filesystem/operations/absolute.cc: New.
	* testsuite/experimental/filesystem/operations/copy.cc: New.
	* testsuite/experimental/filesystem/operations/current_path.cc: New.
	* testsuite/experimental/filesystem/path/append/path.cc: New.
	* testsuite/experimental/filesystem/path/assign/assign.cc: New.
	* testsuite/experimental/filesystem/path/assign/copy.cc: New.
	* testsuite/experimental/filesystem/path/compare/compare.cc: New.
	* testsuite/experimental/filesystem/path/compare/path.cc: New.
	* testsuite/experimental/filesystem/path/compare/strings.cc: New.
	* testsuite/experimental/filesystem/path/concat/path.cc: New.
	* testsuite/experimental/filesystem/path/concat/strings.cc: New.
	* testsuite/experimental/filesystem/path/construct/copy.cc: New.
	* testsuite/experimental/filesystem/path/construct/default.cc: New.
	* testsuite/experimental/filesystem/path/construct/locale.cc: New.
	* testsuite/experimental/filesystem/path/construct/range.cc: New.
	* testsuite/experimental/filesystem/path/decompose/extension.cc: New.
	* testsuite/experimental/filesystem/path/decompose/filename.cc: New.
	* testsuite/experimental/filesystem/path/decompose/parent_path.cc:
	New.
	* testsuite/experimental/filesystem/path/decompose/relative_path.cc:
	New.
	* testsuite/experimental/filesystem/path/decompose/root_directory.cc:
	New.
	* testsuite/experimental/filesystem/path/decompose/root_name.cc:
	New.
	* testsuite/experimental/filesystem/path/decompose/root_path.cc:
	New.
	* testsuite/experimental/filesystem/path/decompose/stem.cc: New.
	* testsuite/experimental/filesystem/path/generic/generic_string.cc:
	New.
	* testsuite/experimental/filesystem/path/itr/traversal.cc: New.
	* testsuite/experimental/filesystem/path/modifiers/clear.cc: New.
	* testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
	New.
	* testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
	New.
	* testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
	New.
	* testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
	New.
	* testsuite/experimental/filesystem/path/modifiers/swap.cc: New.
	* testsuite/experimental/filesystem/path/nonmember/hash_value.cc: New.
	* testsuite/experimental/filesystem/path/query/empty.cc: New.
	* testsuite/experimental/filesystem/path/query/has_extension.cc: New.
	* testsuite/experimental/filesystem/path/query/has_filename.cc: New.
	* testsuite/experimental/filesystem/path/query/has_parent_path.cc:
	New.
	* testsuite/experimental/filesystem/path/query/has_relative_path.cc:
	New.
	* testsuite/experimental/filesystem/path/query/has_root_directory.cc:
	New.
	* testsuite/experimental/filesystem/path/query/has_root_name.cc:
	New.
	* testsuite/experimental/filesystem/path/query/has_root_path.cc:
	New.
	* testsuite/experimental/filesystem/path/query/has_stem.cc: New.
	* testsuite/experimental/filesystem/path/query/is_relative.cc: New.
	* testsuite/util/testsuite_fs.h: New.

From-SVN: r222654
2015-04-30 20:11:52 +01:00
Jonathan Wakely 952bc7a64c re PR libstdc++/65760 (invalid use of incomplete type with std::is_convertible<C, C>)
PR libstdc++/65760
	* include/std/functional (__check_func_return_type): Use is_same to
	avoid using _is_convertible on incomplete types.
	* testsuite/20_util/function/65760.cc: New.

From-SVN: r222581
2015-04-29 17:07:47 +01:00
Marc Glisse fa9ac91269 re PR libstdc++/65883 (numeric_limits<unsigned __int128>::max() returns incorrect value)
2015-04-28  Marc Glisse  <marc.glisse@inria.fr>

	PR libstdc++/65883
	* include/std/limits (numeric_limits): Add missing unsigned.

From-SVN: r222540
2015-04-28 19:35:49 +00:00
Jonathan Wakely 73d81d3a6b re PR libstdc++/60333 (type_traits make_signed, make_unsigned missing support for long long enumerations)
PR libstdc++/60333
	* include/std/type_traits (__make_unsigned_selector<_Tp, false, true>):
	Handle enumeration types larger than sizeof(long).
	(__make_signed_selector<_Tp, false, true>): Find unsigned type then
	make it signed.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/make_signed/requirements/typedefs-3.cc: New.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
	dg-error.
	* testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: New.

From-SVN: r222526
2015-04-28 14:21:54 +01:00
Jonathan Wakely bd1eb5e092 type_traits (void_t): Add.
* include/std/type_traits (void_t): Add.
	* testsuite/20_util/void_t/1.cc: New.

From-SVN: r222522
2015-04-28 13:07:34 +01:00
Jonathan Wakely c3d71b62c6 shared_mutex (shared_timed_mutex): Only use pthread_rwlock_t when the POSIX Timeouts option is supported.
* include/std/shared_mutex (shared_timed_mutex): Only use
	pthread_rwlock_t when the POSIX Timeouts option is supported.
	* testsuite/30_threads/shared_lock/cons/5.cc: Remove
	dg-require-gthreads-timed.
	* testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/4.cc: Likewise.

From-SVN: r221971
2015-04-10 10:00:00 +01:00
Jonathan Wakely 43b0e124e4 shared_mutex (shared_timed_mutex): Add comments to explain the logic in the non-pthread_rwlock_t version.
* include/std/shared_mutex (shared_timed_mutex): Add comments to
	explain the logic in the non-pthread_rwlock_t version.
	(_Mutex): Remove redundant type.
	(_M_n_readers): Rename to _S_max_readers.
	(_M_write_entered, _M_readers): New convenience functions.
	(lock, lock_shared, try_lock_shared, unlock_shared): Use convenience
	functions. Use predicates with condition variables. Simplify bitwise
	operations.
	(try_lock_for, try_shared_lock_for): Convert duration to time_point
	and call try_lock_until or try_shared_lock_until respectively.
	(try_lock_until, try_shared_lock_until): Wait on the condition
	variables until the specified time passes.
	(unlock): Add Debug Mode assertion.
	(unlock_shared): Add Debug Mode assertion.
	* testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: New.

From-SVN: r221970
2015-04-10 09:59:54 +01:00
Jonathan Wakely 4cbaaa459e re PR libstdc++/65147 (alignment of std::atomic object is not correct)
2015-04-09  Jonathan Wakely  <jwakely@redhat.com>
	    Richard Henderson  <rth@redhat.com>

	PR libstdc++/65147
	* include/bits/atomic_base.h (__atomic_base<_ITp>): Increase
	alignment.
	* include/std/atomic (atomic): For types with a power of two size set
	alignment to at least the size.
	* testsuite/29_atomics/atomic/60695.cc: Adjust dg-error line number.
	* testsuite/29_atomics/atomic/65147.cc: New.
	* testsuite/29_atomics/atomic_integral/65147.cc: New.

Co-Authored-By: Richard Henderson <rth@redhat.com>

From-SVN: r221945
2015-04-09 12:15:44 +01:00
Jonathan Wakely 04f69fda7a re PR libstdc++/65499 (Missing "using namespace literals::chrono_literals" in std::chrono)
PR libstdc++/65499
	* include/std/chrono: Add using-directive for literals to std::chrono.
	* testsuite/20_util/duration/literals/65499.cc: New.

From-SVN: r221730
2015-03-27 12:45:10 +00:00
Jonathan Wakely d1a74a287e re PR libstdc++/58038 (std::this_thread::sleep_until can cause inifinite sleep)
PR libstdc++/58038
	PR libstdc++/60421
	* include/std/thread (this_thread::sleep_for): Check for negative
	durations.
	(this_thread::sleep_until): Check for times in the past.
	* testsuite/30_threads/this_thread/58038.cc: New.
	* testsuite/30_threads/this_thread/60421.cc: New.

From-SVN: r221708
2015-03-26 19:59:08 +00:00
Jonathan Wakely 4280698d09 re PR libstdc++/62259 (atomic class doesn't enforce required alignment on powerpc64)
PR libstdc++/62259
	PR libstdc++/65147
	* include/std/atomic (atomic<T>): Increase alignment for types with
	the same size as one of the integral types.
	* testsuite/29_atomics/atomic/60695.cc: Adjust dg-error line number.
	* testsuite/29_atomics/atomic/62259.cc: New.

From-SVN: r221703
2015-03-26 19:27:02 +00:00
Richard Henderson 8be568519b re PR libstdc++/65033 (C++11 atomics: is_lock_free result does not always match the real lock-free property)
PR libstdc++/65033

 * include/bits/atomic_base.h (__atomic_base<T>::is_lock_free): Build
 a fake pointer indicating type alignment.
 (__atomic_base<T *>::is_lock_free): Likewise.
 * include/std/atomic (atomic<T>::is_lock_free): Likewise.

From-SVN: r221701
2015-03-26 11:31:11 -07:00
Paolo Carlini ea348bbe59 re PR libstdc++/65543 (rvalue stream insertion and extraction operators incorrectly implemented)
2015-03-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/65543
	* include/std/istream (operator>>(basic_istream<>&&, _Tp&): Revert
	thinko in r150387.
	* include/std/ostream (operator<<(basic_ostream<>&&, const _Tp&):
	Likewise.
	* testsuite/27_io/rvalue_streams-2.cc: New.

From-SVN: r221655
2015-03-25 09:57:06 +00:00
Jonathan Wakely 5e0216f173 acinclude.m4 (GLIBCXX_CHECK_GTHREADS): Check for pthread_rwlock_t.
2015-03-18  Jonathan Wakely  <jwakely@redhat.com>
	    Torvald Riegel  <triegel@redhat.com>

	* acinclude.m4 (GLIBCXX_CHECK_GTHREADS): Check for pthread_rwlock_t.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* include/std/shared_mutex: Check _GLIBCXX_USE_PTHREAD_RWLOCK_T.
	(shared_timed_mutex::_M_rwlock): Use PTHREAD_RWLOCK_INITIALIZER.
	(shared_timed_mutex::lock_shared()): Retry on EAGAIN.
	(shared_timed_mutex::try_lock_shared_until()): Retry on EAGAIN and
	EDEADLK.

Co-Authored-By: Torvald Riegel <triegel@redhat.com>

From-SVN: r221484
2015-03-18 10:53:38 +00:00
Jonathan Wakely 664e99eac4 future (future_error(error_code)): Construct base class with error_code's message.
* include/std/future (future_error(error_code)): Construct base
	class with error_code's message.
	* src/c++11/future.cc (future_error::what()): Do not call c_str() on
	temporary string.

From-SVN: r221236
2015-03-06 12:31:43 +00:00
Jonathan Wakely b6584a72ac re PR libstdc++/64797 (22_locale/conversions/string/2.cc FAILs)
PR libstdc++/64797
	* include/bits/locale_conv.h (wstring_convert::_M_conv): Handle
	incomplete multibyte sequences correctly.
	* include/std/codecvt (codecvt_utf8, codecvt_utf16,
	codecvt_utf8_utf16): Limit _Maxcode to maximum Unicode code point.
	* src/c++11/codecvt.cc (invalid_mb_sequence, incomplete_mb_character):
	Define constants.
	(is_high_surrogate, is_low_surrogate, surrogate_pair_to_code_point):
	Define convenience functions.
	(read_utf8_code_point): Return relevant constant to distinguish
	incomplete characters from invalid sequences.
	(read_utf16_code_point): Likewise. Check for invalid sequences.
	(ucs4_in, utf16_in): Use incomplete_mb_character constant.
	(utf16_out): Check for invalid sequences.
	(utf16_span): Fix condition.
	(ucs2_out): Use is_high_surrogate.
	(ucs2_in): Use incomplete_mb_character constant and fix condition.
	* testsuite/22_locale/codecvt/char16_t.cc: Fix whitespace.
	* testsuite/22_locale/conversions/buffer/1.cc: New.
	* testsuite/22_locale/conversions/string/2.cc: Use char16_t and
	char32_t instead of wchar_t.
	* testsuite/22_locale/conversions/string/3.cc: New.

From-SVN: r221189
2015-03-04 17:19:55 +00:00
Jonathan Wakely 9d8dbe732a re PR libstdc++/65279 (std::scoped_allocator_adaptor is not assignable)
PR libstdc++/65279
	* include/std/scoped_allocator (__inner_type_impl,
	scoped_allocator_adaptor): Add defaulted copy assignment and move
	assignment operators.
	* testsuite/20_util/scoped_allocator/65279.cc: New.

From-SVN: r221119
2015-03-02 17:50:55 +00:00
Jonathan Wakely e59a2e945e re PR libstdc++/64367 (g++-v5/stdexcept:52:28: error: invalid use of non-static data member '_M_p')
PR libstdc++/64367
	* include/std/stdexcept (__sso_string): Don't use non-static member
	in sizeof.

From-SVN: r221118
2015-03-02 16:50:24 +00:00
Jonathan Wakely 85d44192f6 atomic_base.h: Use __always_inline__ instead of always_inline.
* include/bits/atomic_base.h: Use __always_inline__ instead of
	always_inline.
	* include/bits/atomic_futex.h: Likewise.
	* include/bits/c++config: Use __abi_tag__ instead of abi_tag.
	* include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Use
	__packed__ instead of packed.
	* include/std/shared_mutex: Use __unused__ instead of unused.
	* testsuite/17_intro/headers/c++1998/all_attributes.cc: New.
	* testsuite/17_intro/headers/c++200x/all_attributes.cc: New.
	* testsuite/17_intro/headers/c++2014/all_attributes.cc: New.

From-SVN: r220243
2015-01-29 12:47:20 +00:00
Jonathan Wakely 506f03c370 re PR target/64368 (Several libstdc++ test failures on non-linux platforms after r218964.)
PR libstdc++/64368
	* include/std/shared_mutex (shared_timed_mutex::try_lock_for,
	shared_timed_mutex::try_lock_until): Only define when POSIX thread
	timeouts option is supported.
	(shared_timed_mutex::try_shared_lock_for,
	shared_timed_mutex::try_shared_lock_until): Likewise.

From-SVN: r220161
2015-01-27 11:12:04 +00:00
Jonathan Wakely 0e4974d62e re PR libstdc++/64658 (std::atomic_init() undefined)
PR libstdc++/64658
	* include/std/atomic (atomic_init): Define.
	* testsuite/29_atomics/atomic/64658.cc: New.

From-SVN: r219886
2015-01-20 11:50:43 +00:00
Tim Shen 60c176fb45 re PR libstdc++/64584 (basic_regex::assign breaks *this if it throws regex_error)
PR libstdc++/64584
	PR libstdc++/64585
	* include/bits/regex.h (basic_regex<>::basic_regex,
	basic_regex<>::assign, basic_regex<>::imbue,
	basic_regex<>::swap, basic_regex<>::mark_count): Drop NFA after
	imbuing basic_regex; Make assign() transactional against exception.
	* include/bits/regex_compiler.h (__compile_nfa<>): Add back
	__compile_nfa SFINAE.
	* include/std/regex: Adjust include order to avoid __compile_nfa
	forward declaration.
	* testsuite/28_regex/basic_regex/assign/char/string.cc: New testcase.
	* testsuite/28_regex/basic_regex/imbue/string.cc: New testcase.

From-SVN: r219865
2015-01-19 22:56:04 +00:00
Jonathan Wakely d31b87976f re PR libstdc++/60940 (general operations on atomic types do not work with atomic integral typedefs)
PR libstdc++/60940
	* include/bits/atomic_base.h: Remove atomic integral typedefs as
	synonyms for __atomic_base<int> etc.
	* include/std/atomic: Make atomic_int a synonym for atomic<int> and
	likewise for all atomic integral types.
	* testsuite/29_atomics/atomic_integral/cons/copy_list.cc: New.
	* testsuite/29_atomics/atomic/60695.cc: Adjust dg-error line number.

From-SVN: r219790
2015-01-17 01:23:28 +00:00
Jonathan Wakely 3ecec1eff7 re PR libstdc++/56785 (std::tuple of two elements does not apply empty base class optimization when one of its elements is a std::tuple with two elements)
PR libstdc++/56785
	* include/std/tuple (_Tuple_impl): Remove zero-element specialization
	and define one-element specialization.
	* testsuite/20_util/tuple/56785.cc: New.

From-SVN: r219785
2015-01-17 00:21:41 +00:00
Jonathan Wakely 96d8c147aa locale_conv.h (wstring_convert, [...]): New.
* include/bits/locale_conv.h (wstring_convert, wbuffer_convert): New.
	* include/std/locale: Include new header.
	* include/Makefile.am: Add it.
	* include/Makefile.in: Regenerate.
	* testsuite/22_locale/conversions/buffer/requirements/typedefs.cc: New.
	* testsuite/22_locale/conversions/string/1.cc: New.
	* testsuite/22_locale/conversions/string/2.cc: New.
	* testsuite/22_locale/conversions/string/requirements/typedefs.cc: New.
	* testsuite/22_locale/conversions/string/requirements/typedefs-2.cc:
	New.

From-SVN: r219780
2015-01-16 23:38:48 +00:00
Jonathan Wakely 28af1fb39d Implement C++11 <codecvt> header.
* config/abi/pre/gnu.ver: Export new symbols.
	* include/Makefile.am: Add codecvt.
	* include/Makefile.in: Regenerate.
	* include/std/codecvt: New header.
	* src/c++11/codecvt.cc (__codecvt_utf8_base, __codecvt_utf16_base,
	__codecvt_utf8_utf16_base): Define specializations.
	* testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc: New.
	* testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc: New.
	* testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
	New.

From-SVN: r219779
2015-01-16 23:38:35 +00:00
Torvald Riegel eae801bacc libstdc++: Optimize synchronization in std::future if futexes are available.
* src/c++11/futex.cc: New file.
	* include/bits/atomic_futex.h: New file.
	* include/std/future (__future_base::_State_baseV2): Use
	atomic_futex_unsigned instead of mutex+condvar.
	* src/c++11/futex.cc: Likewise.
	* include/Makefile.am: Add atomic_futex.h.
	* include/Makefile.in: Likewise.
	* src/c++11/Makefile.am: Add futex.cc.
	* src/c++11/Makefile.in: Likewise.

From-SVN: r219770
2015-01-16 19:50:43 +00:00
Torvald Riegel 6220fdff17 libstdc++: Add POSIX variant of shared_timed_mutex.
* include/std/shared_mutex (shared_timed_mutex): Add POSIX-based
	implementation.

From-SVN: r219737
2015-01-16 13:22:00 +00:00
Jonathan Wakely c66b93fe20 re PR libstdc++/60132 (C++11: lack of is_trivially_copy_constructible)
PR libstdc++/60132
	* include/std/type_traits (has_trivial_default_constructor,
	has_trivial_copy_constructor, has_trivial_copy_assign): Add deprecated
	attribute.
	* testsuite/20_util/has_trivial_copy_assign/requirements/
	explicit_instantiation.cc: Use -Wno-deprecated.
	* testsuite/20_util/has_trivial_copy_assign/requirements/typedefs.cc:
	Likewise.
	* testsuite/20_util/has_trivial_copy_assign/value.cc: Likewise.
	* testsuite/20_util/has_trivial_copy_constructor/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/20_util/has_trivial_copy_constructor/requirements/
	typedefs.cc: Likewise.
	* testsuite/20_util/has_trivial_copy_constructor/value.cc: Likewise.
	* testsuite/20_util/has_trivial_default_constructor/requirements/
	explicit_instantiation.c: Likewise.
	* testsuite/20_util/has_trivial_default_constructor/requirements/
	typedefs.cc: Likewise.
	* testsuite/20_util/has_trivial_default_constructor/value.cc:
	Likewise.
	* testsuite/20_util/pair/requirements/dr801.cc: Replace deprecated
	trait.
	* testsuite/20_util/tuple/requirements/dr801.cc: Likewise.
	* testsuite/util/testsuite_common_types.h: Likewise.

From-SVN: r219350
2015-01-08 16:24:55 +00:00
Jakub Jelinek 5624e564d2 Update copyright years.
From-SVN: r219188
2015-01-05 13:33:28 +01:00
Rüdiger Sonderfeld 0de0b10caa re PR libstdc++/54354 (TODO extended iomanip manipulators std::get_time and std::put_time (C++11, section 27.7.5))
2014-12-22  Rüdiger Sonderfeld  <ruediger@c-plusplus.de>

	PR libstdc++/54354
	* include/std/iomanip (_Get_time): New struct.
	(get_time): New manipulator.
	(operator<<): New overloaded function.
	* testsuite/27_io/manipulators/extended/get_time/char/1.cc: New.
	* testsuite/27_io/manipulators/extended/get_time/char/2.cc: New.
	* testsuite/27_io/manipulators/extended/get_time/wchar_t/1.cc: New.
	* testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc: New.

From-SVN: r219013
2014-12-22 13:45:52 +00:00
Jonathan Wakely 8b6425215f re PR libstdc++/64367 (g++-v5/stdexcept:52:28: error: invalid use of non-static data member '_M_p')
PR libstdc++/64367
	* include/std/stdexcept: Don't use non-static member in sizeof.

From-SVN: r218997
2014-12-21 15:16:08 +00:00
Jonathan Wakely 34a2b7558b New std::string implementation.
* acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_CXX11_ABI): Remove.
	(GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI, GLIBCXX_DEFAULT_ABI): Add.
	* configure.ac: Use new macros.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* doc/Makefile.in: Regenerate.
	* libsupc++/Makefile.in: Regenerate.
	* po/Makefile.in: Regenerate.
	* src/Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.
	* include/Makefile.am: Set _GLIBCXX_USE_DUAL_ABI.
	* include/Makefile.in: Regenerate.
	* config/abi/pre/gnu.ver: Export symbols related to new std::string.
	Tighten old patterns to not match new symbols.
	* config/locale/generic/monetary_members.cc: Guard some definitions
	to not compile with new ABI.
	* config/locale/gnu/monetary_members.cc: Likewise.
	* config/locale/gnu/numeric_members.cc: Prevent double-free.
	* config/os/gnu-linux/ldbl-extra.ver: Add new __gnu_cxx_ldbl128
	exports. Tighten old patterns.
	* doc/xml/manual/configure.xml: Document new configure options.
	* doc/html/*: Regenerate.
	* include/bits/basic_string.h (__cxx11::basic_string): Define new
	non-reference-counted implementation in inline namespace __cxx11.
	(stoi, stol, stoll, stof, stod, stold, to_string): Conditionally use
	inline namespace.
	(literals::string_literals::operator"): Conditionally use abi-tag.
	* include/bits/basic_string.tcc (__cxx11::basic_string): Define.
	* include/bits/c++config: Define _GLIBCXX_USE_DUAL_ABI and
	LDBL_CXX11_ABI namespace macros.
	* include/bits/locale_classes.h (locale::name()): Use abi_tag when
	new ABI is in use.
	(locale::_S_twinned_facets): New static member.
	(locale::facet::__shim): Declare new type.
	(locale::_facet::_M_sso_shim, locale::_facet::_M_cow_shim): New
	functions for creating shims.
	(locale::_Impl::_M_facet_unchecked): New member function for use
	during construction.
	(locale::_Impl::_M_init_extra): New member functions to create second
	version of some facets.
	(collate, collate_byname): Use abi_tag when new ABI is in use.
	* include/bits/locale_facets.h: Add _GLIBCXX_NUM_CXX11_FACETS macro.
	(numpunct, numpunct_byname): Use __cxx11 namespace.
	(num_get::_M_extract_float, num_get::_M_extract_int): Use abi_tag
	when new ABI is in use.
	(num_get::__do_get, num_put::__do_put): Do not declare long double
	compat functions for new ABI.
	* include/bits/locale_facets.tcc (num_get, num_put): Use abi_tag on
	definitions.
	(numpunct, numpunct_byname): Qualify explicit instantiations.
	* include/bits/locale_facets_nonio.h (time_get, time_get_byname,
	moneypunct, moneypunct_byname, money_get, money_put, messages,
	messages_byname): Use new inline namespace macros.
	(money_get::__do_get, money_put::__do_put): Do not declare long
	double compat functions for new ABI.
	* include/bits/locale_facets_nonio.tcc (money_get, money_put): Use
	new namespace macros.
	(money_get::__do_get, money_put::__do_put): Do not define for new ABI.
	* include/bits/localefwd.h (numpunct, numpunct_byname, collate,
	collate_byname, time_get, time_get_byname, moneypunct,
	moneypunct_byname, money_get, money_put, messages, messages_byname):
	Use new namespace macros.
	* include/bits/regex.h: Use inline namespace macros.
	* include/bits/stl_list.h (_List_base, list): Use inline namespace
	instead of abi-tag.
	* include/bits/stringfwd.h (basic_string): Use namespace macros.
	* include/std/iosfwd (basic_stringbuf, basic_istringstream,
	basic_ostringstream, basic_stringstream): Likewise.
	* include/std/sstream: Likewise.
	(basic_stringbuf::__xfer_bufptrs): Update streambuf pointers on move.
	* include/std/stdexcept (__cow_string, __sso_string): New types for
	indirectly using std::string with either ABI.
	(logic_error, runtime_error): Replace std::string member with
	__cow_string when new ABI is in use. Declare non-inline copy
	constructor and assignment operator. Declare const char* constructors.
	(domain_error, invalid_argument, length_error, out_of_range,
	range_error, overflow_error, underflow_error): Declare const char*
	constructors.
	* include/std/system_error (error_category): Replace with new
	definition in inline namespace _V2.
	(error_code::message, error_condition::message): Use abi_tag on
	functions returning std::string.
	* python/libstdcxx/v6/printers.py (StdStringPrinter): Handle new ABI.
	* src/c++11/Makefile.am: Add new files.
	* src/c++11/Makefile.in: Regenerate.
	* src/c++11/compatibility-c++0x.cc: Compile with old std::string ABI.
	Define old error_category symbols.
	* src/c++11/cow-fstream-inst.cc: New. Instantiate fstream members
	using old std::string ABI.
	* src/c++11/cow-locale_init.cc (locale::_Impl::_M_init_extra): Define.
	* src/c++11/cow-shim_facets.cc: Define shim facets using old ABI.
	* src/c++11/cow-sstream-inst.cc: Instantiate stringstreams using old
	std::string ABI.
	* src/c++11/cow-stdexcept.cc: Define new constructors and assignment
	operators.
	(__cow_string, error_category::_M_message): Define.
	* src/c++11/cow-string-inst.cc: Explicit instantiations using old
	std::string. Include src/c++98/istream-string.cc.
	* src/c++11/cow-wstring-inst.cc: Explicit instantiations using old
	std::wstring.
	* src/c++11/cxx11-hash_tr1.cc: Explicit instantiations using new
	string.
	* src/c++11/cxx11-ios_failure.cc: Add sanity check.
	* src/c++11/cxx11-locale-inst.cc: Instantiate facets using new
	std::string.
	* src/c++11/cxx11-shim_facets.cc: Define shim facets using new ABI.
	* src/c++11/cxx11-stdexcept.cc: Define constructors taking new
	std::string.
	* src/c++11/cxx11-wlocale-inst.cc: Instantiate facets using
	new std::wstring.
	* src/c++11/fstream-inst.cc: Compile with new ABI.
	* src/c++11/functexcept.cc: Compile with old ABI.
	* src/c++11/random.cc: Compile with new ABI.
	* src/c++11/sstream-inst.cc: Compile with new ABI.
	* src/c++11/string-inst.cc: Explicit instantiations for new string.
	* src/c++11/system_error.cc (__sso_string, error_category::_M_message):
	Define.
	* src/c++11/wstring-inst.cc: Compile with new ABI.
	* src/c++98/Makefile.am: Compile some host files twice for old and
	new std::string. Add new files.
	* src/c++98/Makefile.in: Regenerate.
	* src/c++98/compatibility-ldbl.cc: Compile with old ABI.
	* src/c++98/compatibility.cc: Likewise.
	* src/c++98/concept-inst.cc: Likewise.
	* src/c++98/hash_tr1.cc: Likewise.
	* src/c++98/istream-string.cc: New file defining functions that
	work with istream and std::string moved from ...
	* src/c++98/istream.cc: ... here.
	* src/c++98/cow-istream-string.cc: Recompile istream-string.cc with
	old ABI.
	* src/c++98/locale-inst.cc: Adjust facet instantiations to work for
	either ABI.
	* src/c++98/locale.cc (locale::_M_install_facet,
	locale::_M_install_cache): Handle twinned facets.
	* src/c++98/locale-facets.cc: Compile with old std::string ABI.
	(__verify_grouping): Define new overload and old std::string version.
	* src/c++98/locale_init.cc: Initialize twinned facets.
	* src/c++98/localename.cc: Likewise.
	* src/c++98/misc-inst.cc: Instantiate C++98-only std::string members.
	(__verify_grouping): Define new std::string version.
	* src/c++98/stdexcept.cc: Compile with old std::string ABI.
	* src/c++98/wlocale-inst.cc: Likewise.
	* testsuite/18_support/50594.cc: Adjust to work with SSO strings.
	* testsuite/21_strings/basic_string/capacity/1.cc: Likewise.
	* testsuite/21_strings/basic_string/capacity/char/1.cc: Likewise.
	* testsuite/21_strings/basic_string/capacity/char/18654.cc: Likewise.
	* testsuite/21_strings/basic_string/capacity/char/2.cc: Likewise.
	* testsuite/21_strings/basic_string/capacity/wchar_t/1.cc: Likewise.
	* testsuite/21_strings/basic_string/capacity/wchar_t/18654.cc:
	Likewise.
	* testsuite/21_strings/headers/string/synopsis.cc: Use inline
	namespace macros.
	* testsuite/23_containers/headers/list/synopsis.cc: Likewise.
	* testsuite/27_io/basic_ios/copyfmt/char/1.cc: Set dg-options so
	correct exception type can be caught.
	* testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/char/
	exceptions_failbit.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
	exceptions_failbit.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_other/char/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_other/wchar_t/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
	* testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/char/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/wchar_t/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/ios_base/storage/2.cc: Likewise.
	* testsuite/27_io/ios_base/failure/cxx11.cc: Disable for old ABI.
	* testsuite/ext/profile/mutex_extensions_neg.cc: Adjust dg-error.
	* testsuite/libstdc++-prettyprinters/libfundts.cc: Use old ABI.
	* testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
	* testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
	* testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
	* testsuite/util/exception/safety.h: Adjust member function types
	for new std::string.
	* testsuite/util/testsuite_abi.cc: Add new version and ignore
	__float128 symbols in __cxx11 namespace.

From-SVN: r218964
2014-12-19 18:16:39 +00:00
Jonathan Wakely 0f3d27f01a re PR libstdc++/64276 (would be better to use __cpp_exceptions rather than __EXCEPTIONS to determine whether exceptions are available)
PR libstdc++/64276
	* doc/doxygen/user.cfg.in: Define __cpp_exceptions and __cpp_rtti.
	* doc/html/manual/using_exceptions.html: Regenerate.
	* doc/xml/manual/using_exceptions.xml: Use SD-6 feature-testing
	macros, __cpp_exceptions and __cpp_rtti, instead of __EXCEPTIONS and
	__GXX_RTTI.
	* include/bits/c++config: Likewise.
	* include/bits/locale_classes.tcc: Likewise.
	* include/bits/shared_ptr.h: Likewise.
	* include/bits/shared_ptr_base.h: Likewise.
	* include/debug/formatter.h: Likewise.
	* include/experimental/any: Likewise.
	* include/ext/rope: Likewise.
	* include/ext/ropeimpl.h: Likewise.
	* include/std/functional: Likewise.
	* include/tr1/functional: Likewise.
	* include/tr1/shared_ptr.h: Likewise.
	* libsupc++/eh_call.cc: Likewise.
	* libsupc++/eh_personality.cc: Likewise.
	* libsupc++/exception_defines.h: Likewise.
	* libsupc++/exception_ptr.h: Likewise.
	* libsupc++/guard.cc: Likewise.
	* libsupc++/pbase_type_info.cc: Likewise.
	* libsupc++/pointer_type_info.cc: Likewise.
	* libsupc++/vterminate.cc: Likewise.
	* src/c++11/thread.cc: Likewise.

From-SVN: r218679
2014-12-12 15:58:49 +00:00
Jonathan Wakely db62401dee stl_iterator.h (make_reverse_iterator): LWG DR 2285.
* include/bits/stl_iterator.h (make_reverse_iterator): LWG DR 2285.
	* include/std/tuple: Add feature-test macro.
	* testsuite/24_iterators/reverse_iterator/make.cc: New.

From-SVN: r218670
2014-12-12 13:35:55 +00:00
Jonathan Wakely 9131b50960 future (__future_base::_Setter::operator(), [...]): Make call operators const.
* include/std/future (__future_base::_Setter::operator(),
	__future_base::_Task_setter::operator()): Make call operators const.

From-SVN: r218553
2014-12-10 00:39:37 +00:00
Jonathan Wakely 60b6534a84 re PR libstdc++/64203 (shared_mutex compile errors on bare-metal targets)
PR libstdc++/64203
	* include/std/shared_mutex: Fix preprocessor conditions.
	* testsuite/experimental/feat-cxx14.cc: Check conditions.

From-SVN: r218511
2014-12-09 11:03:57 +00:00
Jonathan Wakely 103265d611 re PR libstdc++/64168 (FAIL: 30_threads/async/sync.cc execution test)
PR libstdc++/64168
	* include/std/future (_Deferred_state::_M_has_deferred): Fix return.

From-SVN: r218321
2014-12-03 16:09:21 +00:00
Jonathan Wakely 9db7c9316e Define *_at_thread_exit() functions.
* config/abi/pre/gnu.ver: Add new exports.
	* include/std/condition_variable (notify_all_at_thread_exit): Declare.
	(__at_thread_exit_elt): New base class.
	* include/std/future: Add comments documenting the implementation.
	(__future_base::_State_baseV2::_State_baseV2()): Use brace-or-equal
	initializers and define constructor as defaulted.
	(__future_base::_State_baseV2::_M_ready): Replace member function
	with member variable.
	(__future_base::_State_baseV2::_M_set_result): Set _M_ready.
	(__future_base::_State_baseV2::_M_set_delayed_result): Define.
	(__future_base::_State_baseV2::_M_break_promise): Set _M_ready.
	(__future_base::_State_baseV2::_Make_ready): New helper class.
	(__future_base::_Deferred_state::_M_has_deferred): Remove requirement
	for caller to own mutex.
	(__future_base::_Async_state_impl::~_Async_state_impl): Call join
	directly.
	(__future_base::_Task_state_base::_M_run): Take arguments by
	reference.
	(__future_base::_Task_state_base::_M_run_delayed): Declare new pure
	virtual function.
	(__future_base::_Task_state::_M_run_delayed): Define override.
	(promise::set_value_at_thread_exit): Define.
	(promise::set_exception_at_thread_exit): Define.
	(packaged_task::make_ready_at_thread_exit): Define.
	* src/c++11/condition_variable.cc (notify_all_at_thread_exit): Define.
	* src/c++11/future.cc
	(__future_base::_State_baseV2::_Make_ready::_M_set): Define.
	* testsuite/30_threads/condition_variable/members/3.cc: New.
	* testsuite/30_threads/packaged_task/members/at_thread_exit.cc: New.
	* testsuite/30_threads/promise/members/at_thread_exit.cc: New.

From-SVN: r218255
2014-12-02 01:51:25 +00:00
Jonathan Wakely 7b55fa54d4 re PR libstdc++/63840 (std::function copy constructor deletes an uninitialized pointer if new fails)
PR libstdc++/63840
	* include/std/functional (function::function(const function&)): Set
	_M_manager after operations that might throw.
	* include/tr1/functional (function::function(const function&),
	function::function(_Functor, _Useless)): Likewise.
	* testsuite/20_util/function/63840.cc: New.
	* testsuite/tr1/3_function_objects/function/63840.cc: New.

From-SVN: r218215
2014-12-01 13:49:20 +00:00
Jonathan Wakely a5dde6ddac Define C++11 version of std::ios_base::failure.
* config/abi/pre/gnu.ver: Add new exports.
	* include/bits/ios_base.h (ios_base::failure): New definition using
	abi_tag.
	(io_errc, make_error_code, make_error_category, iostream_category):
	Define.
	* include/std/system_error (system_error): Add char* constructors.
	* src/c++11/Makefile.am: Add new file.
	* src/c++11/Makefile.in: Regenerate.
	* src/c++11/cxx11-ios_failure.cc: New file.
	* src/c++98/ios_failure.cc: Compile old definition without abi_tag.
	* testsuite/27_io/ios_base/failure/cxx11.cc: New.
	* testsuite/27_io/ios_base/failure/what-1.cc: Allow string returned by
	ios_base::failure::what() to contain additional data.
	* testsuite/27_io/ios_base/failure/what-2.cc: Likewise..
	* testsuite/27_io/ios_base/failure/what-3.cc: Likewise..
	* testsuite/27_io/ios_base/failure/what-big.cc: Likewise..

From-SVN: r217559
2014-11-14 12:17:57 +00:00
Jonathan Wakely be8de8946e std::shared_ptr atomic operations
PR libstdc++/57250
	* config/abi/pre/gnu.ver: Export new symbols.
	* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/bits/shared_ptr_atomic.h: Define atomic access functions.
	* include/std/memory: Include new header.
	* src/c++11/shared_ptr.cc (_Sp_locker): Define and use mutex pool.
	* testsuite/20_util/shared_ptr/atomic/1.cc: New.
	* testsuite/20_util/shared_ptr/atomic/2.cc: New.
	* testsuite/20_util/shared_ptr/atomic/3.cc: New.

From-SVN: r217452
2014-11-12 23:55:11 +00:00
Jonathan Wakely d8af84e67b Implement resolutions of LWG 2399, 2400 and 2401.
* include/bits/shared_ptr.h (shared_ptr, weak_ptr): Define
	_Convertible alias template to simplify constraints.
	(shared_ptr(unique_ptr<TD>&&)): Constrain (LWG 2399).
	* include/bits/shared_ptr_base.h: Likewise.
	(_Sp_counted_deleter::_M_get_deleter()): Use addressof (LWG 2400).
	* include/std/functional (function::operator=(nullptr_t)): Add
	noexcept (LWG 2401).
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust dg-error.
	* testsuite/20_util/shared_ptr/cons/void_neg.cc: Adjust dg-error.

From-SVN: r217442
2014-11-12 19:41:36 +00:00
Jonathan Wakely 847e9cf81e Define __void_t and SFINAE-friendly iterator_traits.
* include/std/type_traits (__void_t): Define new alias template.
	(_GLIBCXX_HAS_NESTED_TYPE): Redefine using __void_t.
	* include/std/functional (_Maybe_get_result_type): Likewise.
	* include/bits/stl_iterator_base_types.h (__iterator_traits): Likewise.
	* include/bits/uses_allocator.h (__uses_allocator_helper): Likewise.
	* testsuite/20_util/bind/ref_neg.cc: Adjust dg-error.
	* testsuite/20_util/reference_wrapper/typedefs-3.cc: Adjust to changes
	in _GLIBCXX_HAS_NESTED_TYPE.

From-SVN: r217395
2014-11-11 23:57:35 +00:00
Jonathan Wakely f6b640be24 Make std::mem_fn work with varargs functions.
* include/std/functional (_Mem_fn_traits): Add partial specializations
	for varargs functions.
	(_Mem_fn_base): Do not check arguments are convertible for varargs.
	(_Bind_check_arity): Add partial specializations for varargs functions.
	* include/std/type_traits (__bool_constant): Add alias template.
	* testsuite/20_util/bind/ref_neg.cc: Adjust dg-error.
	* testsuite/20_util/bind/refqual.cc: New, test ref-qualifiers.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error.
	* testsuite/20_util/function_objects/mem_fn/refqual.cc: Test varargs.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
	dg-error.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
	dg-error.

From-SVN: r217393
2014-11-11 23:38:34 +00:00
Jonathan Wakely 565115eaaf Make reference_wrapper trivially copyable.
* include/std/functional (reference_wrapper): Define copy constructor
	and copy assignment as defaulted.
	* testsuite/20_util/bind/ref_neg.cc: Adjust dg-error.
	* testsuite/20_util/reference_wrapper/requirements.cc: New.

From-SVN: r217067
2014-11-04 02:49:33 +00:00
Jonathan Wakely 9bcb72e0b0 * include/std/functional (_Bind_simple): Simplify construction.
From-SVN: r217065
2014-11-04 02:49:27 +00:00
Jonathan Wakely afc449e82c Check number of arguments in bind expressions.
* include/std/functional (_Mem_fn_traits_base::__arity): New typedef.
	(_Mem_fn_base::_Arity): New typedef.
	(_Bind_check_arity): New class template.
	(_Bind_helper, _Bindres_helper, _Bind_simple_helper): Check arity.
	* testsuite/20_util/bind/ref_neg.cc: Adjust dg-error.

From-SVN: r217025
2014-11-03 02:55:36 +00:00
Jonathan Wakely 8d9076969b Add support for ref-qualified functions to std::mem_fn
PR libstdc++/57898
	* include/std/functional (_Mem_fn_traits_base): New class template.
	(_Mem_fn_traits): New class template with specializations for every
	combination of cv-qualified and ref-qualified member function.
	(_Mem_fn_base): New class template for all pointer to member function
	types and partial specialization for pointer to member object types.
	(_Mem_fn): Inherit from _Mem_fn_base.
	* testsuite/20_util/function_objects/mem_fn/refqual.cc: New.

From-SVN: r217024
2014-11-03 02:55:32 +00:00
Jonathan Wakely a56561ac2d Use perfect forwarding in std::function invokers.
* include/std/functional: (_Function_base::_Function_base()): Use
	nullptr instead of literal zero.
	(function::operator=(nullptr_t)): Likewise.
	(_Function_handler::_M_invoke): Use perfect forwarding for _ArgTypes.
	(function::_Invoker_type): Likewise.
	* testsuite/20_util/function/invoke/forwarding.cc: New.

From-SVN: r216849
2014-10-29 18:38:31 +00:00
Paolo Carlini 709def90a4 atomic_base.h: Avoid including <stdbool.h>.
2014-10-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/atomic_base.h: Avoid including <stdbool.h>.
	* include/std/atomic: When __cplusplus < 201103L skip the rest of
	the header.
	* testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc: Adjust.

From-SVN: r216667
2014-10-24 12:54:43 +00:00
Jonathan Wakely 327a79a523 complex (complex::real, [...]): Add const.
* include/std/complex (complex::real, complex::imag): Add const.
	* testsuite/26_numerics/complex/value_operations/constexpr2.cc: New.

From-SVN: r216258
2014-10-15 14:20:12 +01:00
Paolo Carlini cd9b223aaa limits: Remove stray semicolon.
2014-10-15  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/limits: Remove stray semicolon.

2014-10-15  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/20_util/add_const/requirements/alias_decl.cc: Prefer
	-std=gnu++14.
	* testsuite/20_util/add_cv/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/add_lvalue_reference/requirements/alias_decl.cc:
	Likewise.
	* testsuite/20_util/add_pointer/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
	Likewise.
	* testsuite/20_util/add_volatile/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/aligned_storage/requirements/alias_decl.cc:
	Likewise.
	* testsuite/20_util/aligned_union/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/common_type/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/conditional/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/decay/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/duration/literals/61166.cc: Likewise.
	* testsuite/20_util/duration/literals/ns_detail.cc: Likewise.
	* testsuite/20_util/duration/literals/range.cc: Likewise.
	* testsuite/20_util/duration/literals/types.cc: Likewise.
	* testsuite/20_util/duration/literals/values.cc: Likewise.
	* testsuite/20_util/enable_if/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/exchange/1.cc: Likewise.
	* testsuite/20_util/function_objects/comparisons_void.cc: Likewise.
	* testsuite/20_util/integer_sequence/intseq.cc: Likewise.
	* testsuite/20_util/integer_sequence/requirements/typedefs.cc:
	Likewise.
	* testsuite/20_util/integral_constant/call_operator.cc: Likewise.
	* testsuite/20_util/make_signed/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/make_unsigned/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/pair/astuple/constexpr_get_by_type.cc: Likewise.
	* testsuite/20_util/pair/astuple/get_by_type.cc: Likewise.
	* testsuite/20_util/pair/astuple/get_by_type_neg.cc: Likewise.
	* testsuite/20_util/pair/astuple/get_neg.cc: Likewise.
	* testsuite/20_util/remove_all_extents/requirements/alias_decl.cc:
	Likewise.
	* testsuite/20_util/remove_const/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/remove_cv/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/remove_extent/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/remove_pointer/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/remove_reference/requirements/alias_decl.cc:
	Likewise.
	* testsuite/20_util/remove_volatile/requirements/alias_decl.cc:
	Likewise.
	* testsuite/20_util/result_of/requirements/alias_decl.cc: Likewise.
	* testsuite/20_util/tuple/element_access/constexpr_get_by_type.cc:
	Likewise.
	* testsuite/20_util/tuple/element_access/get2_by_type.cc: Likewise.
	* testsuite/20_util/tuple/element_access/get_by_type.cc: Likewise.
	* testsuite/20_util/underlying_type/requirements/alias_decl.cc:
	Likewise.
	* testsuite/20_util/unique_ptr/creation/array.cc: Likewise.
	* testsuite/20_util/unique_ptr/creation/array_neg.cc: Likewise.
	* testsuite/20_util/unique_ptr/creation/single.cc: Likewise.
	* testsuite/21_strings/basic_string/literals/types.cc: Likewise.
	* testsuite/21_strings/basic_string/literals/values.cc: Likewise.
	* testsuite/25_algorithms/equal/2.cc: Likewise.
	* testsuite/25_algorithms/equal/check_type2.cc: Likewise.
	* testsuite/25_algorithms/is_permutation/2.cc: Likewise.
	* testsuite/25_algorithms/is_permutation/check_type2.cc: Likewise.
	* testsuite/25_algorithms/is_permutation/vectorbool.cc: Likewise.
	* testsuite/25_algorithms/mismatch/2.cc: Likewise.
	* testsuite/25_algorithms/mismatch/check_type2.cc: Likewise.
	* testsuite/26_numerics/complex/literals/values.cc: Likewise.
	* testsuite/27_io/manipulators/standard/char/quoted.cc: Likewise.
	* testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
	* testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
	* testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
	* testsuite/30_threads/shared_lock/modifiers/2.cc: Likewise.
	* testsuite/30_threads/shared_lock/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/requirements/
	standard_layout.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
	* testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
	* testsuite/experimental/optional/assignment/1.cc: Likewise.
	* testsuite/experimental/optional/assignment/2.cc: Likewise.
	* testsuite/experimental/optional/assignment/3.cc: Likewise.
	* testsuite/experimental/optional/assignment/4.cc: Likewise.
	* testsuite/experimental/optional/assignment/5.cc: Likewise.
	* testsuite/experimental/optional/assignment/6.cc: Likewise.
	* testsuite/experimental/optional/cons/copy.cc: Likewise.
	* testsuite/experimental/optional/cons/default.cc: Likewise.
	* testsuite/experimental/optional/cons/move.cc: Likewise.
	* testsuite/experimental/optional/cons/value.cc: Likewise.
	* testsuite/experimental/optional/constexpr/cons/default.cc: Likewise.
	* testsuite/experimental/optional/constexpr/cons/value.cc: Likewise.
	* testsuite/experimental/optional/constexpr/in_place.cc: Likewise.
	* testsuite/experimental/optional/constexpr/make_optional.cc: Likewise.
	* testsuite/experimental/optional/constexpr/nullopt.cc: Likewise.
	* testsuite/experimental/optional/constexpr/observers/1.cc: Likewise.
	* testsuite/experimental/optional/constexpr/observers/2.cc: Likewise.
	* testsuite/experimental/optional/constexpr/observers/3.cc: Likewise.
	* testsuite/experimental/optional/constexpr/observers/4.cc: Likewise.
	* testsuite/experimental/optional/constexpr/observers/5.cc: Likewise.
	* testsuite/experimental/optional/constexpr/relops/1.cc: Likewise.
	* testsuite/experimental/optional/constexpr/relops/2.cc: Likewise.
	* testsuite/experimental/optional/constexpr/relops/3.cc: Likewise.
	* testsuite/experimental/optional/constexpr/relops/4.cc: Likewise.
	* testsuite/experimental/optional/constexpr/relops/5.cc: Likewise.
	* testsuite/experimental/optional/constexpr/relops/6.cc: Likewise.
	* testsuite/experimental/optional/in_place.cc: Likewise.
	* testsuite/experimental/optional/make_optional.cc: Likewise.
	* testsuite/experimental/optional/nullopt.cc: Likewise.
	* testsuite/experimental/optional/observers/1.cc: Likewise.
	* testsuite/experimental/optional/observers/2.cc: Likewise.
	* testsuite/experimental/optional/observers/3.cc: Likewise.
	* testsuite/experimental/optional/observers/4.cc: Likewise.
	* testsuite/experimental/optional/observers/5.cc: Likewise.
	* testsuite/experimental/optional/relops/1.cc: Likewise.
	* testsuite/experimental/optional/relops/2.cc: Likewise.
	* testsuite/experimental/optional/relops/3.cc: Likewise.
	* testsuite/experimental/optional/relops/4.cc: Likewise.
	* testsuite/experimental/optional/relops/5.cc: Likewise.
	* testsuite/experimental/optional/relops/6.cc: Likewise.
	* testsuite/experimental/optional/requirements.cc: Likewise.
	* testsuite/experimental/optional/swap/1.cc: Likewise.
	* testsuite/experimental/string_view/capacity/1.cc: Likewise.
	* testsuite/experimental/string_view/cons/char/1.cc: Likewise.
	* testsuite/experimental/string_view/cons/char/2.cc: Likewise.
	* testsuite/experimental/string_view/cons/char/3.cc: Likewise.
	* testsuite/experimental/string_view/cons/wchar_t/1.cc: Likewise.
	* testsuite/experimental/string_view/cons/wchar_t/2.cc: Likewise.
	* testsuite/experimental/string_view/cons/wchar_t/3.cc: Likewise.
	* testsuite/experimental/string_view/element_access/char/1.cc: Likewise.
	* testsuite/experimental/string_view/element_access/char/2.cc: Likewise.
	* testsuite/experimental/string_view/element_access/char/empty.cc: 
	Likewise.
	* testsuite/experimental/string_view/element_access/char/
	front_back.cc: Likewise.
	* testsuite/experimental/string_view/element_access/wchar_t/1.cc:
	Likewise.
	* testsuite/experimental/string_view/element_access/wchar_t/2.cc:
	Likewise.
	* testsuite/experimental/string_view/element_access/wchar_t/empty.cc:
	Likewise.
	* testsuite/experimental/string_view/element_access/wchar_t/
	front_back.cc: Likewise.
	* testsuite/experimental/string_view/include.cc: Likewise.
	* testsuite/experimental/string_view/inserters/char/1.cc: Likewise.
	* testsuite/experimental/string_view/inserters/char/2.cc: Likewise.
	* testsuite/experimental/string_view/inserters/char/3.cc: Likewise.
	* testsuite/experimental/string_view/inserters/pod/10081-out.cc:
	Likewise.
	* testsuite/experimental/string_view/inserters/wchar_t/1.cc: Likewise.
	* testsuite/experimental/string_view/inserters/wchar_t/2.cc: Likewise.
	* testsuite/experimental/string_view/inserters/wchar_t/3.cc: Likewise.
	* testsuite/experimental/string_view/literals/types.cc: Likewise.
	* testsuite/experimental/string_view/literals/values.cc: Likewise.
	* testsuite/experimental/string_view/modifiers/remove_prefix/char/
	1.cc: Likewise.
	* testsuite/experimental/string_view/modifiers/remove_prefix/
	wchar_t/1.cc: Likewise.
	* testsuite/experimental/string_view/modifiers/remove_suffix/
	char/1.cc: Likewise.
	* testsuite/experimental/string_view/modifiers/remove_suffix/
	wchar_t/1.cc: Likewise.
	* testsuite/experimental/string_view/operations/compare/char/1.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/compare/char/13650.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/compare/wchar_t/1.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/compare/wchar_t/
	13650.cc: Likewise.
	* testsuite/experimental/string_view/operations/copy/char/1.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/copy/wchar_t/1.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/data/char/1.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/data/wchar_t/1.cc: 
	Likewise.
	* testsuite/experimental/string_view/operations/find/char/1.cc: 
	Likewise.
	* testsuite/experimental/string_view/operations/find/char/2.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/find/char/3.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/find/char/4.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/find/wchar_t/1.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/find/wchar_t/2.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/find/wchar_t/3.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/find/wchar_t/4.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/rfind/char/1.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/rfind/char/2.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/rfind/char/3.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/rfind/wchar_t/1.cc:
	Likewise.
	* testsuite/experimental/string_view/operations/rfind/wchar_t/2.cc: 
	Likewise.
	* testsuite/experimental/string_view/operations/rfind/wchar_t/3.cc: 
	Likewise.
	* testsuite/experimental/string_view/operations/substr/char/1.cc: 
	Likewise.
	* testsuite/experimental/string_view/operations/substr/wchar_t/1.cc: 
	Likewise.
	* testsuite/experimental/string_view/operations/to_string/1.cc: 
	Likewise.
	* testsuite/experimental/string_view/operators/char/2.cc: Likewise.
	* testsuite/experimental/string_view/operators/wchar_t/2.cc: Likewise.
	* testsuite/experimental/string_view/range_access/char/1.cc: Likewise.
	* testsuite/experimental/string_view/range_access/wchar_t/1.cc: 
	Likewise.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/1.cc: Likewise.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/char/1.cc: Likewise.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/char16_t/1.cc: Likewise.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/char32_t/1.cc: Likewise.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/wchar_t/1.cc: Likewise.
	* testsuite/experimental/string_view/requirements/typedefs.cc: Likewise.
	* testsuite/experimental/string_view/types/1.cc: Likewise.

From-SVN: r216257
2014-10-15 12:03:20 +00:00
Paolo Carlini 7f3083e71d limits: Remove stray spaces after backslash.
2014-10-15  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/limits: Remove stray spaces after backslash.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
	line number.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.

From-SVN: r216242
2014-10-15 08:51:07 +00:00
DJ Delorie 78a7c3172f machmode.h (int_n_data_t): New.
* machmode.h (int_n_data_t): New.
	(int_n_enabled_p): New.
	(int_n_data): New.
	* tree.c (int_n_enabled_p): New.
	(int_n_trees): New.
	(make_or_reuse_type): Check for all __intN types, not just
	__int128.
	(build_common_tree_nodes): Likewise.  Also fill in integer_typs[]
	entries.
	* tree.h (int128_integer_type_node): Remove.
	(int128_unsigned_type_node): Remove.
	(int_n_trees_t): New.
	(int_n_enabled_p): New.
	(int_n_trees): New.
	* toplev.c (standard_type_bitsize): New.
	(do_compile): Check which __intN types are enabled for the current
	run.
	* builtin-types.def (BT_INT128): Remove.
	(BT_UINT128): Remove.
	* machmode.def: Add macro to create __int128 for all targets.
	* stor-layout.c (mode_for_size): Support __intN types.
	(smallest_mode_for_size): Likewise.
	(initialize_sizetypes): Support __intN types.
	* genmodes.c (struct mode_data): Add int_n field.
	(blank_mode): Likewise.
	(INT_N): New.
	(make_int_n): New.
	(emit_insn_modes_h): Count __intN entries and define
	NUM_INT_N_ENTS.
	(emit_mode_int_n): New.
	(emit_insn_modes_c): Call it.
	* gimple.c (gimple_signed_or_unsigned_type): Check for all __intN
	types, not just __int128.
	* tree-core.h (integer_type_kind): Remove __int128-specific
	entries, reserve spots for __intN entries.

libstdc++-v3/
	* src/c++11/limits.cc: Add support for __intN types.
	* include/std/type_traits: Likewise.
	* include/std/limits: Likewise.
	* include/c_std/cstdlib: Likewise.
	* include/bits/cpp_type_traits.h: Likewise.
	* include/c_global/cstdlib: Likewise.

c-family/
	* c-pretty-print.c (pp_c_integer_constant): Check for all __intN
	types, not just __int128.
	* c-cppbuiltin.c (c_cpp_builtins): Add builtins for all __intN
	types, not just __int128.
	(cpp_atomic_builtins): Round pointer sizes up.
	(type_suffix): Use type precision, not specific types.
	* c-common.c (c_common_reswords): Remove __int128 special case.
	(c_common_type_for_size): Check for all __intN types, not just
	__int128.
	(c_common_type_for_mode): Likewise.
	(c_common_signed_or_unsigned_type): Likewise.
	(c_build_bitfield_integer_type): Likewise.
	(c_common_nodes_and_builtins): Likewise.
	(keyword_begins_type_specifier): Likewise.
	* c-common.h (rid): Remove RID_INT128 and add RID_INT_N_* for all
	__intN variants.

c/
	* c-parser.c (c_parse_init): Add RID entries for each __intN.
	(c_token_starts_typename): Check all __intN, not just __int128.
	(c_token_starts_declspecs): Likewise.
	(c_parser_declspecs): Likewise.
	(c_parser_attribute_any_word): Likewise.
	(c_parser_objc_selector): Likewise.
	* c-tree.h (c_typespec_keyword): cts_int128 -> cts_int_n.
	(struct c_declspecs): Add int_n_idx field to record *which* __intN
	is specified.
	* c-decl.c (declspecs_add_type): Check for all __intN, not just
	__int128.
	(finish_declspecs): Likewise.

testsuite/
	* g++.dg/abi/mangle64.C: New.

cp/
	* typeck.c (cp_common_type): Check for all __intN types, not just
	__int128.
	* decl.c (grokdeclarator): Likewise.
	* rtti.c (emit_support_tinfos): Check for all __intN types, not just
	__int128.
	* parser.c (cp_lexer_next_token_is_decl_specifier_keyword): Check
	for all __intN types, not just __int128.
	(cp_parser_simple_type_specifier): Likewise.
	* mangle.c (integer_type_codes): Remove int128-specific codes.
	* cp-tree.h (cp_decl_specifier_seq): Add int_n_idx to store which
	__intN was specified.
	* lex.c (init_reswords): Reserve all __intN keywords.

lto/
	* lto-lang.c (lto_build_c_type_nodes): Check intN types for
	size-type as well.
	(lto_init): Initialize all intN types, not just int128.

From-SVN: r216220
2014-10-14 15:44:36 -04:00
Rüdiger Sonderfeld ffffc732ef re PR libstdc++/54354 (TODO extended iomanip manipulators std::get_time and std::put_time (C++11, section 27.7.5))
2014-10-14  Rüdiger Sonderfeld  <ruediger@c-plusplus.de>

	PR libstdc++/54354
	* include/std/iomanip (_Put_time): New struct.
	(put_time): New manipulator.
	(operator<<): New overloaded function.
	* testsuite/27_io/manipulators/extended/put_time/char/1.cc: New.
	* testsuite/27_io/manipulators/extended/put_time/char/2.cc: New.
	* testsuite/27_io/manipulators/extended/put_time/wchar_t/1.cc: New.
	* testsuite/27_io/manipulators/extended/put_time/wchar_t/2.cc: New.

From-SVN: r216211
2014-10-14 18:01:25 +01:00
Jonathan Wakely 01d6452fe5 re PR libstdc++/57350 (std::align missing)
PR libstdc++/57350
	* include/std/memory (align): Do not adjust correctly aligned address.
	* testsuite/20_util/align/2.cc: New.

From-SVN: r216149
2014-10-13 15:08:44 +01:00
Rüdiger Sonderfeld 2f6ca9d317 memory (align): Define.
2014-10-13  Rüdiger Sonderfeld  <ruediger@c-plusplus.de>

	* include/std/memory (align): Define.
	* testsuite/20_util/align/1.cc: New.

From-SVN: r216143
2014-10-13 11:05:21 +01:00
Jonathan Wakely c386686921 re PR libstdc++/61909 (Small function optimization not applied to small objects)
PR libstdc++/61909
	* include/std/functional (__is_location_invariant): Treat all
	trivially copyable types as location invariant.

From-SVN: r216047
2014-10-09 19:17:28 +01:00
Jonathan Wakely bc2da0fc04 re PR libstdc++/63322 (std::atomic<T> where T is not trivially copyable should be disabled.)
PR libstdc++/63322
	* include/std/atomic (atomic): Add assertion for trivially copyable.
	* testsuite/29_atomics/atomic/60695.cc: Adjust line number.

From-SVN: r216046
2014-10-09 19:17:23 +01:00
Ville Voutilainen f5e523b76d re PR libstdc++/60132 (C++11: lack of is_trivially_copy_constructible)
2014-10-09  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/60132
    	* include/std/type_traits (is_trivially_copyable,
    	is_trivially_constructible, is_trivially_default_constructible,
    	is_trivially_copy_constructible, is_trivially_move_constructible,
    	is_trivially_assignable, is_trivially_copy_assignable,
    	is_trivially_move_assignable): New.
    	* testsuite/20_util/is_trivially_assignable/requirements/
    	typedefs.cc: Likewise.
    	* testsuite/20_util/is_trivially_assignable/requirements/
    	explicit_instantiation.cc: Likewise.
    	* testsuite/20_util/is_trivially_assignable/value.cc: Likewise.
	* testsuite/20_util/is_trivially_constructible/requirements/
	typedefs.cc: Likewise.
	* testsuite/20_util/is_trivially_constructible/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
	* testsuite/20_util/is_trivially_copyable/requirements/
	typedefs.cc: Likewise.
	* testsuite/20_util/is_trivially_copyable/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/20_util/is_trivially_copyable/value.cc: Likewise.
	* testsuite/20_util/is_trivially_copy_assignable/requirements/
	typedefs.cc: Likewise.
	* testsuite/20_util/is_trivially_copy_assignable/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/20_util/is_trivially_copy_assignable/value.cc: Likewise.
	* testsuite/20_util/is_trivially_copy_constructible/requirements/
	typedefs.cc: Likewise.
	* testsuite/20_util/is_trivially_copy_constructible/requirements/
	explicit_instantiation.cc: Likewise.
    	* testsuite/20_util/is_trivially_copy_constructible/value.cc: Likewise.
    	* testsuite/20_util/is_trivially_default_constructible/requirements/
    	typedefs.cc: Likewise.
    	* testsuite/20_util/is_trivially_default_constructible/requirements/
    	explicit_instantiation.cc: Likewise.
    	* testsuite/20_util/is_trivially_default_constructible/
	value.cc: Likewise.
    	* testsuite/20_util/is_trivially_move_assignable/requirements/
    	typedefs.cc: Likewise.
    	* testsuite/20_util/is_trivially_move_assignable/requirements/
    	explicit_instantiation.cc: Likewise.
    	* testsuite/20_util/is_trivially_move_assignable/value.cc: Likewise.
    	* testsuite/20_util/is_trivially_move_constructible/requirements/
    	typedefs.cc: Likewise.
    	* testsuite/20_util/is_trivially_move_constructible/requirements/
    	explicit_instantiation.cc: Likewise.
    	* testsuite/20_util/is_trivially_move_constructible/value.cc:
	Likewise.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
	line number.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.

From-SVN: r216032
2014-10-09 08:37:26 +00:00
Edward Smith-Rowland 4db7fcb9a8 type_traits: Add is_final<> type trait for C++14.
2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>

	* include/std/type_traits: Add is_final<> type trait for C++14.
	* testsuite/util/testsuite_tr1.h: Add 
	* testsuite/20_util/is_final/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_final/requirements/typedefs.cc: New.
	* testsuite/20_util/is_final/value.cc: New.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust.

From-SVN: r215753
2014-10-01 11:59:29 +00:00
Edward Smith-Rowland a15f7cb8b8 Implement SD-6: SG10 Feature Test Recommendations
2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Implement SD-6: SG10 Feature Test Recommendations
	* internal.h (lexer_state, spec_nodes): Add in__has_include__.
	* directives.c: Support __has_include__ builtin.
	* expr.c (parse_has_include): New function to parse __has_include__
	builtin; (eval_token()): Use it.
	* files.c (_cpp_has_header()): New funtion to look for header;
	(open_file_failed()): Not an error to not find a header file for
	__has_include__.
	* identifiers.c (_cpp_init_hashtable()): Add entry for __has_include__.
	* pch.c (cpp_read_state): Lookup __has_include__.
	* traditional.c (enum ls, _cpp_scan_out_logical_line()): Walk through
	__has_include__ statements.

2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Implement SD-6: SG10 Feature Test Recommendations
	* c-cppbuiltin.c (c_cpp_builtins()): Define language feature
	macros and the __has_header macro.

2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Implement SD-6: SG10 Feature Test Recommendations
	* include/bits/basic_string.h: Add __cpp_lib feature test macro.
	* include/bits/stl_algobase.h: Ditto.
	* include/bits/stl_function.h: Ditto.
	* include/bits/unique_ptr.h: Ditto.
	* include/std/chrono: Ditto.
	* include/std/complex: Ditto.
	* include/std/iomanip: Ditto.
	* include/std/shared_mutex: Ditto.
	* include/std/tuple: Ditto.
	* include/std/type_traits: Ditto.
	* include/std/utility: Ditto.
	* testsuite/experimental/feat-cxx14.cc: New.
	* testsuite/experimental/feat-lib-fund.cc: New.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust.
	* testsuite/20_util/duration/literals/range.cc: Adjust.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Adjust.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Adjust.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
	Adjust.

2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Implement SD-6: SG10 Feature Test Recommendations
	* g++.dg/cpp1y/feat-cxx11-neg.C: New.
	* g++.dg/cpp1y/feat-cxx11.C: New.
	* g++.dg/cpp1y/feat-cxx14.C: New.
	* g++.dg/cpp1y/feat-cxx98.C: New.
	* g++.dg/cpp1y/feat-cxx98-neg.C: New.
	* g++.dg/cpp1y/phoobhar.h: New.
	* g++.dg/cpp1y/testinc/phoobhar.h: New.

From-SVN: r215752
2014-10-01 11:49:23 +00:00
Jonathan Wakely 48e968a720 gnu.ver: Adjust basic_ostream exports.
* config/abi/pre/gnu.ver: Adjust basic_ostream exports.
	* include/std/istream (basic_iostream(basic_iostream&&)): Pass *this
	to ostream constructor.
	* include/std/ostream (basic_ostream(basic_iostream*)): Change to take
	parameter by reference, to avoid ambiguity.
	* testsuite/27_io/basic_ostream/cons/char/null.cc: New.

From-SVN: r215510
2014-09-23 14:17:42 +01:00
Jonathan Wakely 726d31362a mutex (try_lock): Do not swallow exceptions.
* include/std/mutex (try_lock): Do not swallow exceptions.
	* testsuite/30_threads/try_lock/4.cc: Fix test.

From-SVN: r215467
2014-09-22 15:54:35 +01:00
Jonathan Wakely 9b81754858 Make streams movable and swappable.
PR libstdc++/54316
	PR libstdc++/53626
	* config/abi/pre/gnu.ver: Add new exports.
	* config/io/basic_file_stdio.h (__basic_file): Support moving and
	swapping.
	* include/bits/basic_ios.h (basic_ios::move, basic_ios::swap):
	Likewise.
	* include/bits/ios_base.h (ios_base::_M_move, ios_base::_M_swap):
	Likewise.
	* include/bits/fstream.tcc (basic_filebuf): Likewise.
	* include/bits/move.h (__exchange): Define for C++11 mode.
	* include/ext/stdio_filebuf.h (stdio_filebuf): Support moving and
	swapping.
	* include/ext/stdio_sync_filebuf.h (stdio_sync_filebuf): Likewise.
	* include/std/fstream (basic_filebuf, basic_ifstream, basic_ofstream,
	basic_fstream): Likewise.
	* include/std/ios: Remove whitespace.
	* include/std/istream (basic_istream, basic_iostream): Support moving
	and swapping.
	* include/std/ostream (basic_ostream): Likewise.
	* include/std/sstream (basic_stringbuf, basic_istringstream,
	basic_ostringstream, basic_stringstream): Likewise.
	* include/std/streambuf (basic_streambuf): Do not default copy
	constructor and assignment on first declaration.
	* include/std/utility (exchange): Forward to __exchange.
	* testsuite/27_io/basic_filebuf/cons/char/copy_neg.cc: New.
	* src/c++11/Makefile.am: Add stream-related files.
	* src/c++11/Makefile.in: Regenerate.
	* src/c++11/ext11-inst.cc (stdio_filebuf, stdio_sync_filebuf):
	New file for explicit instantiation definitions.
	* src/c++11/ios.cc: Move from src/c++98 to here.
	(ios_base::_M_move, ios_base::_M_swap): Define.
	* src/c++11/ios-inst.cc: Move from src/c++98 to here.
	* src/c++11/iostream-inst.cc: Likewise.
	* src/c++11/istream-inst.cc: Likewise.
	* src/c++11/ostream-inst.cc: Likewise.
	* src/c++11/sstream-inst.cc: Likewise.
	* src/c++11/streambuf-inst.cc: Likewise.
	* src/c++98/Makefile.am: Remove stream-related files.
	* src/c++98/Makefile.in: Regenerate.
	* src/c++98/ext-inst.cc (stdio_filebuf): Remove explicit
	instantiations.
	* src/c++98/misc-inst.cc (stdio_sync_filebuf): Likewise.
	* src/c++98/ios-inst.cc: Move to src/c++11/.
	* src/c++98/ios.cc: Move to src/c++11/.
	* src/c++98/iostream-inst.cc: Likewise.
	* src/c++98/istream-inst.cc: Likewise.
	* src/c++98/ostream-inst.cc: Likewise.
	* src/c++98/sstream-inst.cc: Likewise.
	* src/c++98/streambuf-inst.cc: Likewise.
	* testsuite/27_io/basic_filebuf/cons/char/copy_neg.cc: New.
	* testsuite/27_io/basic_fstream/cons/move.cc: New.
	* testsuite/27_io/basic_fstream/assign/1.cc: New.
	* testsuite/27_io/basic_ifstream/cons/move.cc: New.
	* testsuite/27_io/basic_ifstream/assign/1.cc: New.
	* testsuite/27_io/basic_istringstream/assign/1.cc: New.
	* testsuite/27_io/basic_istringstream/cons/move.cc: New.
	* testsuite/27_io/basic_ofstream/cons/move.cc: New.
	* testsuite/27_io/basic_ofstream/assign/1.cc: New.
	* testsuite/27_io/basic_ostringstream/assign/1.cc: New.
	* testsuite/27_io/basic_ostringstream/cons/move.cc: New.
	* testsuite/27_io/basic_stringstream/assign/1.cc: New.
	* testsuite/27_io/basic_stringstream/cons/move.cc: New.

From-SVN: r215463
2014-09-22 14:34:09 +01:00
Jonathan Wakely fa794dc63e complex (complex): Define copy constructor and assignment operator as defaulted.
* include/std/complex (complex): Define copy constructor and
	assignment operator as defaulted. Improve Doxygen comments.

From-SVN: r214736
2014-08-29 17:28:19 +01:00
Jonathan Wakely c6b3f349f5 re PR libstdc++/61841 (broken std::thread on Hurd)
PR libstdc++/61841
	* include/std/thread (thread::_M_start_thread): Declare new overload.
	(thread::thread<_Callable, _Args...>): Call new overload with an
	explicit reference to pthread_create.
	* src/c++11/thread.cc (thread::_M_start_thread): Add new overload.
	* config/abi/pre/gnu.ver: Export new function.

From-SVN: r213922
2014-08-13 19:40:10 +01:00
Jonathan Wakely db0b7db338 future (__location_invariant): Move specializations after preprocessor condition.
* include/std/future (__location_invariant): Move specializations
	after preprocessor condition.

From-SVN: r213744
2014-08-07 23:54:53 +01:00
Jonathan Wakely 4e48c10968 future (_State_baseV2::_M_set_result): Pass pointers to _M_do_set.
* include/std/future (_State_baseV2::_M_set_result): Pass pointers to
	_M_do_set.
	(_State_baseV2::_M_do_set): Change parameters to pointers.
	(_State_baseV2::_Setter): Change _M_arg from reference to pointer.
	(_State_baseV2::__setter): Initialize _Setter with pointers.
	(_State_baseV2::__setter(promise<void>*)): Remove overload.
	(promise::set_value, promise::set_exception): Pass setter directly
	to _M_set_result.
	(_State_baseV2::_Task_setter): Add template parameter for callable
	type and replace std::function member with pointer to that type.
	Change _M_result member from reference to pointer.
	(_State_baseV2::_S_task_setter): Change parameter to lvalue reference
	and initialize _Task_setter with pointers.
	(__location_invariant): Specialize for _Setter and _Task_setter.

From-SVN: r213737
2014-08-07 21:13:52 +01:00
Jonathan Wakely f4081d133f re PR libstdc++/61947 (Ambiguous calls when constructing std::tuple)
PR libstdc++/61947
	* include/std/tuple (_Head_base): Use allocator_arg_t parameters to
	disambiguate unary constructors.
	(_Tuple_impl): Pass allocator_arg_t arguments.
	* testsuite/20_util/tuple/61947.cc: New.
	* testsuite/20_util/uses_allocator/cons_neg.cc: Adjust dg-error line.

From-SVN: r213221
2014-07-29 18:30:34 +01:00
Jonathan Wakely b3771d3f6f allocated_ptr.h (__allocated_ptr::operator=): Add missing return.
* include/bits/allocated_ptr.h (__allocated_ptr::operator=): Add
	missing return.
	* include/experimental/any: Remove unused header.
	* include/std/functional (_Maybe_wrap_member_pointer): Fix comments.
	* testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
	* testsuite/util/testsuite_regex.h: Move include guard.

From-SVN: r212360
2014-07-08 14:22:14 +01:00
Tim Shen 5bcb66dffa re PR testsuite/61061 (FAIL: g++.dg/inherit/covariant7.C)
PR libstdc++/61061
	PR libstdc++/61582
	* include/bits/regex_automaton.h (_NFA<>::_M_insert_state): Add
	a NFA state limit. If it's exceeded, regex_constants::error_space
	will be throwed.
	* include/bits/regex_automaton.tcc (_StateSeq<>::_M_clone): Use
	map (which is sparse) instead of vector. This reduce n times clones'
	cost from O(n^2) to O(n).
	* include/std/regex: Add map dependency.
	* testsuite/28_regex/algorithms/regex_match/ecma/char/61601.cc: New
	testcase.

From-SVN: r212185
2014-07-01 03:05:45 +00:00
Jonathan Wakely b925bf594a Makefile.am: Add new header.
* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/bits/allocated_ptr.h (__allocated_ptr, __allocate_guarded):
	New RAII utilities for working with allocators.
	* include/bits/shared_ptr_base.h (_Sp_counted_deleter): Define
	__allocator_type typedef and use new __allocated_ptr type.
	(_Sp_counted_ptr_inplace): Likewise.
	(__shared_count::__shared_count, __shared_ptr::__shared_ptr): Use
	__allocate_guarded to to simplify exception handling.
	* include/experimental/any (any::_Manager_alloc::_S_alloc): Likewise.
	* include/std/future (_Result_alloc::_M_destroy): Likewise.
	(_Result_alloc::_S_allocate_result): Likewise.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust line number.
	* testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.
	* testsuite/20_util/shared_ptr/creation/no_rtti.cc: New.
	* testsuite/20_util/shared_ptr/creation/alloc.cc: Test allocator
	with fancy pointer.
	* testsuite/30_threads/promise/cons/alloc.cc: Likewise.

From-SVN: r211996
2014-06-25 21:54:46 +01:00
Jonathan Wakely 3fa591d4b4 functexcept.h (__throw_out_of_range_fmt): Change attribute to __gnu_printf__ archetype to prevent warnings for "%zu".
* include/bits/functexcept.h (__throw_out_of_range_fmt): Change
	attribute to __gnu_printf__ archetype to prevent warnings for "%zu".
	* include/bits/locale_facets_nonio.tcc (time_get::do_get_weekday):
	Remove unused typedef.
	(time_get::do_get_monthname): Likewise.
	* include/bits/stl_tree.h: Add system_header pragma.
	* include/ext/stdio_sync_filebuf.h (stdio_sync_filebuf::file): Remove
	redundant const-qualifier.
	* include/std/complex (complex::__rep): Use _GLIBCXX_CONSTEXPR macro
	instead of _GLIBCXX_USE_CONSTEXPR.

From-SVN: r211951
2014-06-24 16:44:17 +01:00
Jonathan Wakely 83387bbd28 parse_numbers.h (_Number_help): Fix divide-by-zero.
* include/bits/parse_numbers.h (_Number_help): Fix divide-by-zero.
	* include/std/chrono (_Checked_integral_constant): Allow zero.
	* testsuite/20_util/duration/literals/values.cc: Test non-positive
	values and digit separators.

From-SVN: r211890
2014-06-23 12:30:32 +01:00