[libc++] Add LWG-issues from february 2022 plenary meeting

[ldionne]

Thanks!

[• Quuxplusone]

LGTM, with some easy things to cross off the list.

libcxx/docs/Status/Cxx2bIssues.csv

145

|Nothing To Do| for LWG3607; it affects semantic requirements only.

156

|Nothing To Do| on LWG3650.

159

|Complete| in 14.0 for LWG3660.

[ldionne]

libcxx/docs/Status/Cxx2bIssues.csv

159

When did we implement this one?

[Mordante]

Thanks for doing this, LGTM!

[philnik]

• Mark more issues as complete/nothing to do

[• Quuxplusone]

libcxx/docs/Status/Cxx2bIssues.csv

159

I believe this has always been implemented. It was kind of a wording bug: the wording said iterator_traits<C>::pointer was "the type of" c.operator->(), but in fact everyone was implementing it as decltype(c.operator->()) (which might be a reference type). And yes that's crazy, that pointer can (now conformingly) be a reference type; but nobody cares about pointer anyway.

libcxx/docs/Status/Cxx2bIssues.csv

 `3585 <https://wg21.link/LWG3585>`__,"``variant`` converting assignment with immovable alternative","October 2021","",""
 `3589 <https://wg21.link/LWG3589>`__,"The ``const`` lvalue reference overload of ``get`` for ``subrange`` does not constrain ``I`` to be ``copyable`` when ``N == 0``","October 2021","|Complete|","14.0","|ranges|"
 `3590 <https://wg21.link/LWG3590>`__,"``split_view::base() const &`` is overconstrained","October 2021","","","|ranges|"
 `3591 <https://wg21.link/LWG3591>`__,"``lazy_split_view<input_view>::inner-iterator::base() &&`` invalidates outer iterators","October 2021","","","|ranges|"
 `3592 <https://wg21.link/LWG3592>`__,"``lazy_split_view`` needs to check the simpleness of Pattern","October 2021","","","|ranges|"
 `3593 <https://wg21.link/LWG3593>`__,"Several iterators' ``base() const &`` and ``lazy_split_view::outer-iterator::value_type::end()`` missing ``noexcept``","October 2021","","","|ranges|"
 `3595 <https://wg21.link/LWG3595>`__,"Exposition-only classes proxy and postfix-proxy for ``common_iterator`` should be fully ``constexpr``","October 2021","|Complete|","14.0","|ranges|"
 "","","","",""
+"`3088 <https://wg21.link/LWG3088>`__","``forward_list::merge`` behaviour unclear when passed ``*this``","February 2022","",""
+"`3471 <https://wg21.link/LWG3471>`__","``polymorphic_allocator::allocate`` does not satisfy ``Cpp17Allocator`` requirements","February 2022","",""
+"`3525 <https://wg21.link/LWG3525>`__","``uses_allocator_construction_args`` fails to handle types convertible to ``pair``","February 2022","",""
+"`3598 <https://wg21.link/LWG3598>`__","``system_category().default_error_condition(0)`` is underspecified","February 2022","",""
+"`3601 <https://wg21.link/LWG3601>`__","common_iterator's postfix-proxy needs ``indirectly_readable`` ","February 2022","","","|ranges|"
+"`3607 <https://wg21.link/LWG3607>`__","``contiguous_iterator`` should not be allowed to have custom ``iter_move`` and ``iter_swap`` behavior","February 2022","|Nothing to do|","","|ranges|"
+"`3610 <https://wg21.link/LWG3610>`__","``iota_view::size`` sometimes rejects integer-class types","February 2022","","","|ranges|"
+"`3612 <https://wg21.link/LWG3612>`__","Inconsistent pointer alignment in ``std::format`` ","February 2022","|Complete|","14.0","|format|"
+"`3616 <https://wg21.link/LWG3616>`__","LWG 3498 seems to miss the non-member ``swap`` for ``basic_syncbuf`` ","February 2022","",""
+"`3618 <https://wg21.link/LWG3618>`__","Unnecessary ``iter_move`` for ``transform_view::iterator`` ","February 2022","","","|ranges|"
+"`3619 <https://wg21.link/LWG3619>`__","Specification of ``vformat_to`` contains ill-formed ``formatted_size`` calls","February 2022","|Nothing to do|","","|format|"
+"`3621 <https://wg21.link/LWG3621>`__","Remove feature-test macro ``__cpp_lib_monadic_optional`` ","February 2022","",""
+"`3632 <https://wg21.link/LWG3632>`__","``unique_ptr`` ""Mandates: This constructor is not selected by class tmeplate argument deduction""","February 2022","|Nothing to do|",""
+"`3643 <https://wg21.link/LWG3643>`__","Missing ``constexpr`` in ``std::counted_iterator`` ","February 2022","",""
+"`3648 <https://wg21.link/LWG3648>`__","``format`` should not print ``bool`` with ``'c'`` ","February 2022","","","|format|"
+"`3649 <https://wg21.link/LWG3649>`__","[fund.ts.v2] Reinstate and bump ``__cpp_lib_experimental_memory_resource`` feature test macro","February 2022","",""
+"`3650 <https://wg21.link/LWG3650>`__","Are ``std::basic_string`` 's ``iterator`` and ``const_iterator`` constexpr iterators?","February 2022","|Nothing to do|",""
+"`3654 <https://wg21.link/LWG3654>`__","``basic_format_context::arg(size_t)`` should be ``noexcept`` ","February 2022","","","|format|"
+"`3657 <https://wg21.link/LWG3657>`__","``std::hash<std::filesystem::path>`` is not enabled","February 2022","",""
+"`3660 <https://wg21.link/LWG3660>`__","``iterator_traits<common_iterator>::pointer`` should conform to §[iterator.traits]","February 2022","|Complete|","14.0"
+"`3661 <https://wg21.link/LWG3661>`__","``constinit atomic<shared_ptr<T>> a (nullptr);`` should work","February 2022","",""
+"","","","",""
 `3645 <https://wg21.link/LWG3645>`__,"``resize_and_overwrite`` is overspecified to call its callback with lvalues", "Not voted in","|Complete|","14.0",""
 "","","","",""