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
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
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
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
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
13908b4404
* include/std/future (future_error): Fix public typo to private.
...
From-SVN: r242340
2016-11-12 20:28:50 +00:00
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
b236debd3b
* include/std/chrono (system_clock): Fix typo in comment.
...
From-SVN: r240589
2016-09-28 19:04:23 +01:00
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
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
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
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
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
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
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
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
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
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
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
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
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