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584 Commits

Author SHA1 Message Date
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
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
Ville Voutilainen
8a4c4f1273 Fix tests on old arm platforms for optional. 
* testsuite/20_util/optional/77288.cc: Don't use exception_ptr.

From-SVN: r240347
 2016-09-22 14:01:29 +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
377f30c00f re PR libstdc++/77619 (uninitialized_meow_construct and friends not exception safe) 
PR libstdc++/77619
	* include/bits/stl_construct.h: (_Construct_novalue): New.
	(_Destroy_n_aux, _Destroy_n): New.
	* include/bits/stl_uninitialized.h: (type_traits):
	New include in C++11 mode.
	(__uninitialized_default_novalue_1): New.
	(__uninitialized_default_novalue_n_1): Likewise.
	(__uninitialized_default_novalue): Likewise.
	(__uninitialized_default_novalue_n): Likewise.
	(__uninitialized_copy_n_pair): Likewise.
	(uninitialized_default_construct):
	Use __uninitialized_default_novalue.
	(uninitialized_default_construct_n):
	Use __uninitialized_default_novalue_n.
	(uninitialized_value_construct): Use __uninitialized_default.
	(uninitialized_value_construct_n): Use __uninitialized_default_n.
	(uninitialized_move): Use uninitialized_copy.
	(uninitialized_move_n): Use __uninitialized_copy_n_pair.
	(destroy_at): Use _Destroy.
	(destroy): Likewise.
	(destroy_n): Likewise.
	* testsuite/20_util/specialized_algorithms/
	memory_management_tools/1.cc: Add tests for exceptions,
	add tests for trivial cases for construct and move.

From-SVN: r240264
 2016-09-20 18:15:36 +03:00
Ville Voutilainen
8e14a10cab Implement P0040R3, Extending memory management tools. 
* include/bits/stl_uninitialized.h (utility): New include
	in C++17 mode.
	(uninitialized_default_construct): New.
	(uninitialized_default_construct_n): Likewise.
	(uninitialized_value_construct): Likewise.
	(uninitialized_value_construct_n): Likewise.
	(uninitialized_move): Likewise.
	(uninitialized_move_n): Likewise.
	(destroy_at, destroy, destroy_n): Likewise.
	* testsuite/20_util/specialized_algorithms/memory_management_tools/1.cc:
	New.

From-SVN: r240122
 2016-09-13 22:26:02 +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
Jonathan Wakely
7663cae227 Constrain std::shared_ptr assignment and resetting 
* include/bits/shared_ptr.h (_Assignable): New alias template.
	(shared_ptr::operator=(const shared_ptr<_Tp1>&))
	(shared_ptr::operator=(shared_ptr<_Tp1>&&))
	(shared_ptr::operator=(unique_ptr<_Tp1>&&)): Constrain with
	_Assignable.
	* include/bits/shared_ptr_base.h (_Assignable): New alias template.
	(__shared_ptr::operator=(const __shared_ptr<_Tp1>&))
	(__shared_ptr::operator=(__shared_ptr<_Tp1>&&))
	(__shared_ptr::operator=(unique_ptr<_Tp1>&&)): Constrain with
	_Assignable.
	(__shared_ptr::reset(_Tp1*), __shared_ptr::reset(_Tp1*, _Deleter))
	(__shared_ptr::reset(_Tp1*, _Deleter, _Alloc)): Constrain with
	_Convertible.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Change dg-error to
	match on any line.
	* testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.
	* testsuite/20_util/shared_ptr/assign/sfinae.cc: New test.
	* testsuite/20_util/shared_ptr/assign/shared_ptr_neg.cc: Update
	expected errors. Remove unnecessary code.
	* testsuite/20_util/shared_ptr/modifiers/reset_sfinae.cc: New test.

From-SVN: r239898
 2016-08-31 17:57:20 +01:00
Jonathan Wakely
3625264fb3 Add test accidentally not added in revision r239121 
* testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc:
	New test.

From-SVN: r239896
 2016-08-31 17:57:09 +01:00
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
10491e4c04 libstdc++/51960 move-construction for raw_storage_iterator 
PR libstdc++/51960
	* doc/xml/manual/intro.xml: Document DR 2127 change.
	* doc/html/*: Regenerate.
	* include/bits/stl_raw_storage_iter.h (operator=(_Tp&&)): Add.
	(operator++(), operator++(int)): Use injected class name.
	* testsuite/20_util/raw_storage_iterator/dr2127.cc: New test.

From-SVN: r239781
 2016-08-26 14:11:29 +01:00
Jonathan Wakely
52066eae5d Use effective-target instead of -std options 
* testsuite/*: Use { target c++11 } or { target c++14 } instead of
	using -std in dg-options.

From-SVN: r239777
 2016-08-26 12:41:37 +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
71c54f8ea2 Simplify dg-options for tests using pthreads 
* testsuite/21_strings/basic_string/pthread18185.cc: Use -pthread for
	*-*-solaris* instead of -pthreads.
	* testsuite/21_strings/basic_string/pthread4.cc : Likewise.
	* testsuite/22_locale/locale/cons/12658_thread-1.cc: Likewise.
	* testsuite/22_locale/locale/cons/12658_thread-2.cc: Likewise.
	* testsuite/23_containers/list/pthread1.cc: Likewise.
	* testsuite/23_containers/list/pthread5.cc: Likewise.
	* testsuite/23_containers/map/pthread6.cc: Likewise.
	* testsuite/27_io/basic_ofstream/pthread2.cc: Likewise.
	* testsuite/27_io/basic_ostringstream/pthread3.cc: Likewise.
	* testsuite/30_threads/shared_mutex/*: Likewise.
	* testsuite/ext/rope/pthread7-rope.cc: Likewise.
	* testsuite/tr1/2_general_utilities/shared_ptr/thread/
	default_weaktoshared.cc: Likewise.
	* testsuite/tr1/2_general_utilities/shared_ptr/thread/
	mutex_weaktoshared.cc: Likewise.
	* testsuite/20_util/shared_ptr/atomic/3.cc: Likewise. Use
	dg-require-effective-target instead of using -std option.
	* testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
	Likewise.
	* testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
	* testsuite/23_containers/vector/debug/multithreaded_swap.cc:
	Likewise.
	* testsuite/30_threads/async/*: Likewise.
	* testsuite/30_threads/call_once/*: Likewise.
	* testsuite/30_threads/condition_variable/*: Likewise.
	* testsuite/30_threads/condition_variable_any/*: Likewise.
	* testsuite/30_threads/future/*: Likewise.
	* testsuite/30_threads/lock/*: Likewise.
	* testsuite/30_threads/mutex/*: Likewise.
	* testsuite/30_threads/packaged_task/*: Likewise.
	* testsuite/30_threads/promise/*: Likewise.
	* testsuite/30_threads/recursive_mutex/*: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/*: Likewise.
	* testsuite/30_threads/shared_future/*: Likewise.
	* testsuite/30_threads/shared_lock/*: Likewise.
	* testsuite/30_threads/shared_timed_mutex/*: Likewise.
	* testsuite/30_threads/this_thread/*: Likewise.
	* testsuite/30_threads/thread/*: Likewise.
	* testsuite/30_threads/timed_mutex/*: Likewise.
	* testsuite/30_threads/try_lock/*: Likewise.
	* testsuite/30_threads/unique_lock/*: Likewise.

From-SVN: r239624
 2016-08-19 17:36:07 +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
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
Jonathan Wakely
6fbf26cc57 Fix invalid dg-do directive 
* testsuite/20_util/reference_wrapper/invoke-2.cc: Fix invalid dg-do
	directive and use effective target instead of dg-options.

From-SVN: r239548
 2016-08-17 20:58:44 +01:00
Jonathan Wakely
18a20f3f25 Use effective target instead of -std in dg-options 
* testsuite/20_util/hash/chi2_q_bit_flip_set.cc: Use effective target
	instead of -std in dg-options.
	* testsuite/20_util/hash/chi2_q_bit_string_set.cc: Likewise.
	* testsuite/20_util/hash/chi2_q_numeric_pattern_set.cc: Likewise.
	* testsuite/20_util/hash/chi2_q_uniform_random.cc: Likewise.
	* testsuite/20_util/hash/quality.cc: Likewise.
	* testsuite/25_algorithms/heap/moveable.cc: Likewise.
	* testsuite/25_algorithms/heap/moveable2.cc: Likewise.
	* testsuite/25_algorithms/nth_element/random_test.cc: Likewise.
	* testsuite/25_algorithms/partial_sort/random_test.cc: Likewise.
	* testsuite/25_algorithms/partial_sort_copy/random_test.cc: Likewise.
	* testsuite/25_algorithms/sort/random_test.cc: Likewise.

From-SVN: r239547
 2016-08-17 20:43:13 +01:00
Jonathan Wakely
f771720378 Add c++11 effective target to tests for C++11 features 
* testsuite/20_util/tuple/67844.cc: Require c++11 effective target.
	* testsuite/20_util/tuple/cons/nested_tuple_construct.cc: Likewise.
	* testsuite/27_io/rvalue_streams.cc: Likewise.

From-SVN: r239545
 2016-08-17 20:23:15 +01:00
Jonathan Wakely
8fe79e7334 Adjust DG directives in libstdc++ XFAIL test 
* testsuite/20_util/bind/ref_neg.cc: Use effective target instead of
	-std=gnu++11. Add -fno-show-columns to dg-options. Use dg-prune-output
	instead of dg-excess-errors.

From-SVN: r239535
 2016-08-17 14:39:10 +01:00
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
Thomas Preud'homme
f9657322cf re PR testsuite/72840 (PASS->NA: 20_util/ratio/cons/cons_overflow_neg.cc) 
2016-08-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    PR libstdc++/72840
    * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Fix dg-error
    syntax.

From-SVN: r239463
 2016-08-15 09:14:15 +00:00
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
9a8e528cf1 Define std::enable_shared_from_this::weak_from_this 
* testsuite/20_util/enable_shared_from_this/members/reinit.cc: Use
	effective target not dg-options. Move check for feature-test macro to:
	* testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc:
	New test.

From-SVN: r239121
 2016-08-04 13:33:10 +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
c7fdbdcdbd Define feature-test macro for std::enable_shared_from_this 
* include/bits/shared_ptr_base.h (__cpp_lib_enable_shared_from_this):
	Define feature-test macro.
	* testsuite/20_util/enable_shared_from_this/members/reinit.cc: Test
	for the macro.

From-SVN: r239094
 2016-08-03 20:10:06 +01:00
Jonathan Wakely
f21f4463ad Define std::shared_ptr::weak_type 
* include/bits/shared_ptr.h (shared_ptr::weak_type): Define.
	* include/bits/shared_ptr_base.h (__shared_ptr::weak_type): Define.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust dg-error.
	* testsuite/20_util/shared_ptr/requirements/weak_type.cc: New test.
	* testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.

From-SVN: r239093
 2016-08-03 20:09:57 +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
b7dabce5f3 Define std::owner_less<void> specialization (P0074R0) 
* include/bits/shared_ptr.h (owner_less): Add default template
	argument.
	* include/bits/shared_ptr_base.h (_Sp_owner_less<void, void>): Define
	specialization.
	(owner_less<void>): Define specialization.
	* include/bits/stl_function.h (__cpp_lib_transparent_operators):
	Update value.
	* testsuite/20_util/owner_less/void.cc: New test.
	* testsuite/experimental/feat-cxx14.cc: Update macro value tested.

From-SVN: r239089
 2016-08-03 19:11:18 +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
a4e1011c49 Move dg-error directives to relevant lines 
* testsuite/19_diagnostics/error_code/operators/bool_neg.cc: Move
	dg-error to relevant line.
	* testsuite/19_diagnostics/error_condition/operators/bool_neg.cc:
	Likewise.
	* testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.

From-SVN: r238994
 2016-08-02 20:34:25 +01:00
Jonathan Wakely
a02a61eeaa Limit std::tuple tests to run for C++11 and later 
* testsuite/20_util/tuple/cons/66338.cc: Limit test to C++11 and
	later.
	* testsuite/20_util/tuple/cons/element_accepts_anything_byval.cc:
	Likewise.

From-SVN: r238945
 2016-08-01 13:18:18 +01:00
Jonathan Wakely
6f3b889189 Remove unused headers and variables from libstdc++ tests 
* testsuite/20_util/shared_ptr/assign/auto_ptr_rvalue.cc: Remove
	unused header and variable from compile-only test.
	* testsuite/20_util/shared_ptr/assign/unique_ptr_rvalue.cc: Likewise.
	* testsuite/28_regex/basic_regex/assign/char/cstring.cc: Likewise.
	* testsuite/28_regex/basic_regex/ctors/string_wchar_t.cc: Likewise.
	* testsuite/experimental/memory/shared_ptr/cons/copy_ctor_neg.cc:
	Likewise.

From-SVN: r238943
 2016-08-01 13:18:08 +01:00
Jonathan Wakely
4d16871b22 Use -std=gnu++98 instead of -std=gnu++03 in test 
* testsuite/20_util/specialized_algorithms/uninitialized_copy/
	808590.cc: Use -std=gnu++98 instead of -std=gnu++03.

From-SVN: r238941
 2016-08-01 13:17:54 +01:00
Jonathan Wakely
e350983522 Remove linker options from compile-only tests 
* testsuite/20_util/make_signed/requirements/typedefs-2.cc: Remove
	linker options from compile-only tests.
	* testsuite/20_util/make_unsigned/requirements/typedefs-2.cc:
	Likewise.

From-SVN: r238940
 2016-08-01 13:17:49 +01:00
Jonathan Wakely
c4da1da21e Change std::conditional test to compile-only 
* testsuite/20_util/conditional/requirements/typedefs.cc: Change to
	compile-only test.

From-SVN: r238930
 2016-07-31 20:37:14 +01:00