* 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
* 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
* doc/xml/manual/intro.xml: Document LWG 2742 status.
* doc/html/*: Regenerate.
* include/bits/basic_string.h
(basic_string(const T&, size_type, size_type, const Allocator&)): Add
constructor for substring of basic_string_view, as per LWG 2742 but
with additional constraint to fix ambiguity.
* testsuite/21_strings/basic_string/cons/char/9.cc: New test.
* testsuite/21_strings/basic_string/cons/wchar_t/9.cc: New test.
From-SVN: r242416
* 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
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
* call.c (build_new_method_call_1): Include template arguments in
error message.
(print_error_for_call_failure): Likewise.
(build_new_function_call): Pass them in.
* name-lookup.c (supplement_binding_1): Don't complain about a
conflict with an erroneous declaration.
* error.c (dump_decl): Fix printing of alias declaration.
* decl.c (make_typename_type): Call cxx_incomplete_type_error.
* parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
* semantics.c (perform_koenig_lookup): Don't wrap an error in
TEMPLATE_ID_EXPR.
From-SVN: r242376
* doc/xml/manual/status_cxx2017.xml: Update status.
* doc/html/manual/status.html: Regenerate.
* include/bits/shared_ptr.h (shared_ptr(unique_ptr<_Yp, _Del>)): Add
extension constructor to maintain C++14 behaviour.
* include/bits/shared_ptr_base.h (__sp_array_delete): Add new struct.
(__shared_count(_Ptr, false_type), __shared_count(_Ptr, true_type)):
New constructors.
(__sp_compatible_with, __sp_is_constructible): Add specializations
for array support.
(__sp_is_constructible_arr, __sp_is_constructible_arrN): New helpers.
(__shared_ptr_access): New base class for observer member functions.
(__shared_ptr::element_type): Use remove_extent.
(__shared_ptr::_UniqCompatible): Add __sp_compatible_with check.
(__shared_ptr(_Yp*)): Use tag dispatching to call new __shared_count
constructor.
(__shared_ptr(unique_ptr<_Yp, _Del>)): Add extension constructor.
(__shared_ptr::operator*, __shared_ptr::operator->): Remove and
inherit from __shared_ptr_access base class.
(__shared_ptr::__has_esft_base): Return false for array types.
(__weak_ptr::element_type): Use remove_extent.
* include/experimental/bits/shared_ptr.h (__libfund_v1): Remove.
(__shared_ptr<__libfund_v1<_Tp>>): Remove specializations.
(__wak_ptr<__libfund_v1<_Tp>>): Likewise.
(experimental::__sp_compatible_v): Redefine using
__sp_compatible_with.
(experimental::__sp_is_constructible_v): Redefine using
__sp_is_constructible.
(get_deleter, operator<<): Change argument from __shared_ptr to
shared_ptr.
* testsuite/20_util/shared_ptr/cons/array.cc: New test.
* testsuite/20_util/shared_ptr/cons/unique_ptr_array.cc: Adjust for
new behaviour.
* testsuite/20_util/shared_ptr/observers/array.cc: Test observers for
arrays.
* testsuite/20_util/shared_ptr/observers/array_neg.cc: New test.
From-SVN: r242369
* libstdc++-v3/include/bits/regex.h (regex_iterator::regex_iterator()):
Define end() as _M_pregex == nullptr.
* libstdc++-v3/include/bits/regex.tcc (regex_iterator::operator==(),
regex_iterator::operator++()): Fix operator==() and operator++() to
look at null-ness of _M_pregex on both sides.
* testsuite/28_regex/regression.cc: New testcase.
From-SVN: r242025
2016-11-07 François Dumont <fdumont@gcc.gnu.org>
* config/abi/pre/gnu-versioned-namespace.ver: Export C++17 new of
over-aligned types symbols.
From-SVN: r241936
* include/experimental/bits/fs_path.h (__is_path_src)
(_S_range_begin, _S_range_end): Overload to treat string_view as a
Source object.
(path::operator+=, path::compare): Overload for basic_string_view.
* testsuite/experimental/filesystem/path/construct/string_view.cc:
New test.
* testsuite/experimental/filesystem/path/construct/
string_view_cxx17.cc: New test.
From-SVN: r241658
* include/experimental/bits/fs_path.h
(path::_S_convert<_Iter>(_Iter, _Iter)): Remove cv-qualifiers from
iterator's value_type.
(path::_S_convert<_Iter>(_Iter __first, __null_terminated)): Likewise.
Do not use operation not supported by input iterators.
(path::__is_path_iter_src): Add partial specialization for const
encoded character types.
* testsuite/experimental/filesystem/path/construct/range.cc: Test
construction from input iterators with const value types.
From-SVN: r241654
* testsuite/experimental/filesystem/iterators/directory_iterator.cc:
Use end() function to get end iterator.
* testsuite/experimental/filesystem/iterators/pop.cc: Remove printf
statements that were present for debugging.
* testsuite/experimental/filesystem/iterators/
recursive_directory_iterator.cc: Use end() function to get end
iterator.
* testsuite/experimental/filesystem/operations/last_write_time.cc:
Only require file timestamps to be accurate to one second.
From-SVN: r241616
2016-10-26 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR libstdc++/78110
* libsupc++/new_opa.cc: Don't include <malloc.h> in a free standing
environment. Declare memalign directly in that case.
From-SVN: r241591
* src/filesystem/dir.cc (recursive_directory_iterator::increment):
Reset state on error.
* testsuite/experimental/filesystem/iterators/
recursive_directory_iterator.cc: Check state after increment error.
From-SVN: r241552
* src/filesystem/ops.cc (do_copy_file): Report an error if source or
destination is not a regular file (LWG 2712).
(equivalent): Fix error handling and result when only one file exists.
* testsuite/experimental/filesystem/operations/copy.cc: Remove files
created by tests. Test copying directories.
* testsuite/experimental/filesystem/operations/copy_file.cc: Remove
files created by tests.
* testsuite/experimental/filesystem/operations/equivalent.cc: New.
* testsuite/experimental/filesystem/operations/is_empty.cc: New.
* testsuite/experimental/filesystem/operations/read_symlink.cc: Remove
file created by test.
* testsuite/experimental/filesystem/operations/remove_all.cc: New.
* testsuite/util/testsuite_fs.h (~scoped_file): Only try to remove
file if path is non-empty, to support removal by other means.
From-SVN: r241521
* src/filesystem/ops.cc (do_copy_file): Return an error if either
source or destination is not a regular file.
(copy): Update comment to refer to LWG 2681. Implement 2682 and 2683
resolutions.
(read_symlink): Add missing ec.clear().
* testsuite/experimental/filesystem/operations/copy.cc: Update
expected behaviour for copying directories with create_symlinks.
Verify that error_code arguments are cleared if there's no error.
* testsuite/experimental/filesystem/operations/read_symlink.cc: New.
From-SVN: r241484
Cross-port exception-safety and move fixes of std::any to
std::experimental::any.
* include/experimental/any (operator=(const any&)):
Make strongly exception-safe.
(operator=(any&&)): clear() unconditionally in the case where
rhs has a value.
(_Manager_internal<_Tp>::_S_manage): Move in _Op_xfer, don't copy.
* testsuite/experimental/any/assign/2.cc: Adjust.
* testsuite/experimental/any/assign/exception.cc: New.
* testsuite/experimental/any/cons/2.cc: Adjust.
* testsuite/experimental/any/misc/any_cast_neg.cc: Ajust.
From-SVN: r241479
