* include/backward/auto_ptr.h (__shared_ptr(auto_ptr&&))
(shared_ptr(auto_ptr&&)): Adjust template parameter lists.
* include/bits/shared_ptr.h (__sp_compatible_with)
(__sp_is_constructible): New helper traits for shared_ptr.
(shared_ptr::_Convertible): Replace with _Constructible.
(shared_ptr::_Constructible, shared_ptr::_Assignable): Forward checks
to base class.
(shared_ptr::shared_ptr, shared_ptr::operator=): Constrain template
with _Constructible and _Assignable.
(shared_ptr::shared_ptr(shared_ptr<_Tp1>, _Tp*)): Use element_type
instead of _Tp.
(operator<): Likewise.
(operator>): Define in terms of operator<.
(static_pointer_cast, const_pointer_cast, dynamic_pointer_cast): Use
element_type instead of _Tp.
(reinterpret_pointer_cast): Define for C++17.
(weak_ptr::_Convertible): Replace with _Constructible.
(weak_ptr::_Constructible, weak_ptr::_Assignable): Forward checks
to base class.
(weak_ptr::weak_ptr, weak_ptr::operator=): Constrain templates
with _Constructible and _Assignable.
* include/bits/shared_ptr_base.h (__shared_ptr::_Convertible): Replace
with _Compatible.
(__shared_ptr::_SafeConv): New constraint for incoming raw pointers.
(__shared_ptr::_Compatible): New constraint for converting from
other types of shared_ptr and weak_ptr.
(__shared_ptr::_Assignable): Define in terms of _Compatible.
(__shared_ptr::_UniqCompatible, __shared_ptr::_UniqAssignable): New
constraints for converting from unique_ptr.
(__shared_ptr::__shared_ptr, __shared_ptr::operator=): Constrain
template with _SaveConf, _Compatible and _Assignable. Remove
__glibcxx_function_requires concept checks. Add static assertion for
deleter expression being well-formed.
(__shared_ptr::__shared_ptr(__shared_ptr<_Tp1>, _Tp*))
(__shared_ptr::operator*, __shared_ptr::operator->)
(__shared_ptr::get, __shared_ptr::_M_ptr): Use element_type instead
of _Tp.
(operator<): Likewise.
(operator>): Define in terms of operator<.
(static_pointer_cast, const_pointer_cast, dynamic_pointer_cast): Use
element_type instead of _Tp.
(reinterpret_pointer_cast): Define for C++17.
(weak_ptr::_Convertible): Replace with _Compatible.
(weak_ptr::_Compatible, weak_ptr::_Assignable): New constraints for
conversions from other types of weak_ptr and shared_ptr.
(__weak_ptr::__weak_ptr, __weak_ptr::operator=): Constrain templates
with _Constructible and _Assignable.
(__weak_ptr::_M_ptr): Use element_type instead of _Tp.
* testsuite/20_util/shared_ptr/assign/auto_ptr_neg.cc: Adjust
dg-error pattern.
* testsuite/20_util/shared_ptr/cons/auto_ptr.cc: Test conversions.
* testsuite/20_util/shared_ptr/cons/unique_ptr.cc: Likewise.
* testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.
* testsuite/20_util/shared_ptr/casts/reinterpret.cc: New test.
From-SVN: r241373
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
* include/backward/auto_ptr.h (__shared_ptr(auto_ptr&&)): Call
_M_enable_shared_from_this_with instead of
__enable_shared_from_this_helper.
* include/bits/shared_ptr.h (__enable_shared_from_this_helper):
Remove overload for std::enable_shared_from_this..
(__enable_shared_from_this_base): Define friend function to select a
std::enable_shared_from_this base class.
* include/bits/shared_ptr_base.h (__enable_shared_from_this_helper):
Remove all overloads.
(__shared_ptr): Change all relevant constructors to call
_M_enable_shared_from_this_with instead of
__enable_shared_from_this_helper.
(__shared_ptr::__efst_base_t, __shared_ptr::__has_efst_base): Helpers
to detect accessible and unambiguous enable_shared_from_this bases.
(__shared_ptr::_M_enable_shared_from_this_with): New function to
replace __enable_shared_from_this_helper overloads.
(__enable_shared_from_this_helper): Remove overload for
std::__enable_shared_from_this.
(__enable_shared_from_this_base): Define friend function to select a
std::__enable_shared_from_this base class.
* include/experimental/bits/shared_ptr.h (experimental::shared_ptr):
Change relevant constructors to call _M_enable_shared_from_this_with.
(experimental::shared_ptr::__efst_base_t)
(experimental::shared_ptr::__has_efst_base): Helpers to detect
accessible and unambiguous enable_shared_from_this bases.
(experimental::shared_ptr::_M_enable_shared_from_this_with): Define.
(experimental::__enable_shared_from_this_helper): Remove overload for
std::experimental::enable_shared_from_this.
(experimental::__expt_enable_shared_from_this_base): Define friend
function to select a std::experimental::enable_shared_from_this base.
* testsuite/experimental/memory/shared_ptr/cons/
enable_shared_from_this.cc: New test.
* testsuite/experimental/memory/shared_ptr/cons/unique_ptr_ctor.cc:
Adjust expected behaviour for shared_ptr<A[]>.
From-SVN: r241353
* include/backward/auto_ptr.h (dauto_ptr): Correct comment about
conversions from auto_ptr<Derived> rvalues to auto_ptr<Base>.
* testsuite/20_util/auto_ptr/assign_neg.cc: Remove redundant dg-error
directives that only match notes, not errors.
From-SVN: r241349
* include/experimental/bits/shared_ptr.h
(__shared_ptr<__libfund_v1<_Tp, false>, _Lp>::_Compatible): Just use
is_convertible for non-array specialization.
(__shared_ptr<__libfund_v1<_Tp, false>, _Lp>::_UniqCompatible): New
constraint for conversions from unique_ptr.
(__shared_ptr<__libfund_v1<_Tp, false>, _Lp>::__shared_ptr): Constrain.
(__shared_ptr<__libfund_v1<_Tp, false>, _Lp>::reset): Likewise.
(__sp_compatible_v): New variable template for trait.
(__sp_is_constructible): New trait to check shared_ptr constraints.
(__sp_is_constructible_v): New variable template for trait.
(__shared_ptr<__libfund_v1<_Tp, true>, _Lp>::_SafeConv): New
constraint for construction/reset, using __sp_is_constructible_v.
(__shared_ptr<__libfund_v1<_Tp, true>, _Lp>::_UniqCompatible): New
constraint for conversions from unique_ptr.
(__shared_ptr<__libfund_v1<_Tp, true>, _Lp>::__shared_ptr): Constrain.
(__shared_ptr<__libfund_v1<_Tp, true>, _Lp>::reset): Likewise.
(shared_ptr::_SafeConv): Constraint for checking constructors.
(shared_ptr(Tp1*), shared_ptr(_Tp1, _Deleter))
(shared_ptr(_Tp1, _Deleter, _Alloc)): Constrain with _SafeConv.
(shared_ptr(const weak_ptr<_Tp1>&)): Constrain with _Compatible.
(shared_ptr(auto_ptr<_Tp1>&&)): Fix, remove TODO.
* testsuite/experimental/memory/shared_ptr/cons/pointer_ctor.cc:
Remove tests using invalid conversions.
* testsuite/experimental/memory/shared_ptr/cons/pointer_ctor_neg.cc:
New test.
* testsuite/experimental/memory/shared_ptr/cons/torture.cc: New test.
* testsuite/experimental/memory/shared_ptr/modifiers/reset.cc: Remove
tests using invalid conversions.
* testsuite/experimental/memory/shared_ptr/modifiers/reset_neg.cc: New
test.
* testsuite/experimental/memory/shared_ptr/observers/use_count.cc:
Remove tests using invalid conversions.
From-SVN: r241331
* include/experimental/bits/shared_ptr.h (shared_ptr(shared_ptr&&)):
Remove const from parameter.
(operator<(const shared_ptr<T>&, nullptr_t)): Use correct
specialization of std::less.
* testsuite/experimental/memory/shared_ptr/comparison/comparison.cc:
Test comparison with nullptr and actually call test functions.
From-SVN: r241310
* include/bits/uses_allocator.h (__is_uses_allocator_constructible_v)
(__is_nothrow_uses_allocator_constructible_v): Only define for C++14
and later.
From-SVN: r241301
PR libstdc++/77987
* include/bits/unique_ptr.h (unique_ptr<T[], D>::reset<U>(U)): Copy
value to pointer of the correct type to swap, to support conversions
allowed by LWG 2118 / N4089.
* testsuite/20_util/unique_ptr/assign/assign_neg.cc: Move test for
incompatible deleters from ...
* testsuite/20_util/unique_ptr/assign/cv_qual.cc: ... here.
* testsuite/20_util/unique_ptr/modifiers/cv_qual.cc: Move tests for
incompatible pointers to ...
* testsuite/20_util/unique_ptr/modifiers/reset_neg.cc: ... here. Move
destructor definition to base class. Test for invalid derived-to-base
conversion.
From-SVN: r241235
Make sure the return value of malloc_allocator::allocate
is zero-initialized so that checking it for non-zero works
later.
* include/ext/malloc_allocator.h (malloc_allocator::allocate):
Initialize the return value.
* testsuite/ext/malloc_allocator/sanity.cc: New.
From-SVN: r241212
2016-10-14 Eelis van der Weegen <eelis@eelis.net>
* include/bits/stl_algo.h (shuffle): Extract two random numbers from
each generator invocation when its range is large enough.
From-SVN: r241184
* 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
* 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
* 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
* 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
* 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
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
* 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
* 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
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
PR libstdc++/77814
* include/bits/std_abs.h: Use "C++" language linkage.
* testsuite/17_intro/headers/c++2011/linkage.cc: Move <complex.h> to
the end. Add <stdalign.h>.
From-SVN: r240710
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
compatibility-ldbl.o is compiled with -mlong-double-64. When
long double .gnu.attributes tags are checked by the linker, it
complains about the mismatch between this file and others in
libstdc++.
* configure.ac (LONG_DOUBLE_COMPAT_FLAGS): New ACSUBST.
* src/Makefile.am (compatibility-ldbl.o, compatibility-ldbl.lo):
Use LONG_DOUBLE_COMPAT_FLAGS.
* Makefile.in: Regenerate.
* configure: Regenerate.
* doc/Makefile.in: Regenerate.
* include/Makefile.in: Regenerate.
* libsupc++/Makefile.in: Regenerate.
* po/Makefile.in: Regenerate.
* python/Makefile.in: Regenerate.
* src/Makefile.in: Regenerate.
* src/c++11/Makefile.in: Regenerate.
* src/c++98/Makefile.in: Regenerate.
* src/filesystem/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
From-SVN: r240602
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
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
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
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
2016-09-05 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
* 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
PR libstdc++/77356
* include/bits/regex_compiler.tcc(_M_insert_bracket_matcher,
_M_expression_term): Modify to support dash literal.
* include/bits/regex_scanner.h: Add dash as a token type to make
a different from the mandated dash literal by escaping.
* include/bits/regex_scanner.tcc(_M_scan_in_bracket): Emit dash
token in bracket expression parsing.
* testsuite/28_regex/regression.cc: Add new testcases.
From-SVN: r239794
PR libstdc++/71771
* include/bits/stl_iterator.h
(operator-(reverse_iterator<Iter>, reverse_iterator<Iter>): Only
define for C++98 mode.
(operator-(move_iterator<Iter>, move_iterator<Iter>): Don't define.
* testsuite/24_iterators/headers/iterator/synopsis.cc: Use
-std=gnu++98.
* testsuite/24_iterators/headers/iterator/synopsis_c++11.cc: New test.
* testsuite/24_iterators/headers/iterator/synopsis_c++14.cc: New test.
* testsuite/24_iterators/headers/iterator/synopsis_c++17.cc: New test.
* testsuite/24_iterators/move_iterator/greedy_ops.cc: Don't test
difference operator.
* testsuite/24_iterators/reverse_iterator/greedy_ops.cc: Only test
difference operator for C++98.
* testsuite/24_iterators/reverse_iterator/71771.cc: New test.
From-SVN: r239691
