[libc++][doc] Update the LWG issues.

[Mordante]

Summary

Updates the status pages with the LWG issues accepted in the Standard
during the June 2021 plenary session. The LWG papers for this meeting
have been added in D105103.

[ldionne]

Thank you!

[• Quuxplusone]

libcxx/docs/Status/FormatIssues.csv

10

/#x ,/#x,/

[Mordante]

libcxx/docs/Status/FormatIssues.csv

10

Nice catch!

libcxx/docs/Status/Cxx2b.rst

 Library Working Group Issues Status
 ====================================
 
 .. csv-table::
    :file: Cxx2bIssues.csv
    :header-rows: 1
    :widths: auto
 
-Last Updated: 6-June-2021
+Last Updated: 22-July-2021

libcxx/docs/Status/Cxx2bIssues.csv

 "`3490 <https://wg21.link/LWG3490>`__","``ranges::drop_while_view::begin()`` is missing a precondition","February 2021","",""
 "`3492 <https://wg21.link/LWG3492>`__","Minimal improvements to ``elements_view::iterator``","February 2021","",""
 "`3494 <https://wg21.link/LWG3494>`__","Allow ranges to be conditionally borrowed","February 2021","Superseded by `P2017R1 <https://wg21.link/P2017R1>`__",""
 "`3495 <https://wg21.link/LWG3495>`__","``constexpr launder`` makes pointers to inactive members of unions usable","February 2021","",""
 "`3500 <https://wg21.link/LWG3500>`__","``join_view::iterator::operator->()`` is bogus","February 2021","",""
 "`3502 <https://wg21.link/LWG3502>`__","``elements_view`` should not be allowed to return dangling reference","February 2021","",""
 "`3505 <https://wg21.link/LWG3505>`__","``split_view::outer-iterator::operator++`` misspecified","February 2021","",""
 "","","","",""
+`2774 <https://wg21.link/LWG2774>`__,"``std::function`` construction vs assignment","June 2021","",""
+`2818 <https://wg21.link/LWG2818>`__,"``::std::`` everywhere rule needs tweaking","June 2021","",""
+`2997 <https://wg21.link/LWG2997>`__,"LWG 491 and the specification of ``{forward_,}list::unique``","June 2021","",""
+`3410 <https://wg21.link/LWG3410>`__,"``lexicographical_compare_three_way`` is overspecified","June 2021","",""
+`3430 <https://wg21.link/LWG3430>`__,"``std::fstream`` & co. should be constructible from string_view","June 2021","",""
+`3462 <https://wg21.link/LWG3462>`__,"§[formatter.requirements]: Formatter requirements forbid use of ``fc.arg()``","June 2021","",""
+`3481 <https://wg21.link/LWG3481>`__,"``viewable_range`` mishandles lvalue move-only views","June 2021","",""
+`3506 <https://wg21.link/LWG3506>`__,"Missing allocator-extended constructors for ``priority_queue``","June 2021","",""
+`3517 <https://wg21.link/LWG3517>`__,"``join_view::iterator``'s ``iter_swap`` is underconstrained","June 2021","",""
+`3518 <https://wg21.link/LWG3518>`__,"Exception requirements on char trait operations unclear","June 2021","",""
+`3519 <https://wg21.link/LWG3519>`__,"Incomplete synopses for <random> classes","June 2021","",""
+`3520 <https://wg21.link/LWG3520>`__,"``iter_move`` and ``iter_swap`` are inconsistent for ``transform_view::iterator``","June 2021","",""
+`3521 <https://wg21.link/LWG3521>`__,"Overly strict requirements on ``qsort`` and ``bsearch``","June 2021","",""
+`3522 <https://wg21.link/LWG3522>`__,"Missing requirement on ``InputIterator`` template parameter for ``priority_queue`` constructors","June 2021","",""
+`3523 <https://wg21.link/LWG3523>`__,"``iota_view::sentinel`` is not always ``iota_view``'s sentinel","June 2021","",""
+`3526 <https://wg21.link/LWG3526>`__,"Return types of ``uses_allocator_construction_args`` unspecified","June 2021","",""
+`3527 <https://wg21.link/LWG3527>`__,"``uses_allocator_construction_args`` handles rvalue pairs of rvalue references incorrectly","June 2021","",""
+`3528 <https://wg21.link/LWG3528>`__,"``make_from_tuple`` can perform (the equivalent of) a C-style cast","June 2021","",""
+`3529 <https://wg21.link/LWG3529>`__,"``priority_queue(first, last)`` should construct ``c`` with ``(first, last)``","June 2021","",""
+`3530 <https://wg21.link/LWG3530>`__,"``BUILTIN-PTR-MEOW`` should not opt the type out of syntactic checks","June 2021","",""
+`3532 <https://wg21.link/LWG3532>`__,"``split_view<V, P>::inner-iterator<true>::operator++(int)`` should depend on ``Base``","June 2021","",""
+`3533 <https://wg21.link/LWG3533>`__,"Make ``base() const &`` consistent across iterator wrappers that supports ``input_iterators``","June 2021","",""
+`3536 <https://wg21.link/LWG3536>`__,"Should ``chrono::from_stream()`` assign zero to duration for failure?","June 2021","",""
+`3539 <https://wg21.link/LWG3539>`__,"``format_to`` must not copy models of ``output_iterator<const charT&>``","June 2021","",""
+`3540 <https://wg21.link/LWG3540>`__,"§[format.arg] There should be no const in ``basic_format_arg(const T* p)``","June 2021","",""
+`3541 <https://wg21.link/LWG3541>`__,"``indirectly_readable_traits`` should be SFINAE-friendly for all types","June 2021","",""
+`3542 <https://wg21.link/LWG3542>`__,"``basic_format_arg`` mishandles ``basic_string_view`` with custom traits","June 2021","",""
+`3543 <https://wg21.link/LWG3543>`__,"Definition of when ``counted_iterators`` refer to the same sequence isn't quite right","June 2021","",""
+`3544 <https://wg21.link/LWG3544>`__,"``format-arg-store::args`` is unintentionally not exposition-only","June 2021","",""
+`3546 <https://wg21.link/LWG3546>`__,"``common_iterator``'s postfix-proxy is not quite right","June 2021","",""
+`3548 <https://wg21.link/LWG3548>`__,"``shared_ptr`` construction from ``unique_ptr`` should move (not copy) the deleter","June 2021","",""
+`3549 <https://wg21.link/LWG3549>`__,"``view_interface`` is overspecified to derive from ``view_base``","June 2021","",""
+`3551 <https://wg21.link/LWG3551>`__,"``borrowed_{iterator,subrange}_t`` are overspecified","June 2021","",""
+`3552 <https://wg21.link/LWG3552>`__,"Parallel specialized memory algorithms should require forward iterators","June 2021","",""
+`3553 <https://wg21.link/LWG3553>`__,"Useless constraint in ``split_view::outer-iterator::value_type::begin()``","June 2021","",""
+`3555 <https://wg21.link/LWG3555>`__,"``{transform,elements}_view::iterator::iterator_concept`` should consider const-qualification of the underlying range","June 2021","",""
+"","","","",""

libcxx/docs/Status/FormatIssues.csv

 Number,Name,Assignee,Patch,Status,First released version
 `P0645 <https://wg21.link/P0645>`_,"Text Formatting",Mark de Wever,,|partial|,
 `P1652 <https://wg21.link/P1652>`_,"Printf corner cases in std::format",Mark de Wever,`D103433 <https://reviews.llvm.org/D103433>`__,Review,
 `P1892 <https://wg21.link/P1892>`_,"Extended locale-specific presentation specifiers for std::format",Mark de Wever,`D103368 <https://reviews.llvm.org/D103368>`__,Review,
 `P1868 <https://wg21.link/P1868>`_,"width: clarifying units of width and precision in std::format (Implements the unicode support.)",Mark de Wever,"`D103413 <https://reviews.llvm.org/D103413>`__ `D103425 <https://reviews.llvm.org/D103425>`__ `D103670 <https://reviews.llvm.org/D103670>`__",Review,
+`P2216 <https://wg21.link/P2216>`_,"std::format improvements",,,,
 `LWG-3242 <https://wg21.link/LWG3242>`_,"std::format: missing rules for arg-id in width and precision",Mark de Wever,`D103368 <https://reviews.llvm.org/D103368>`__,Review,
 `LWG-3243 <https://wg21.link/LWG3243>`_,"std::format and negative zeroes",,,,
 `LWG-3246 <https://wg21.link/LWG3246>`_,"What are the constraints on the template parameter of basic_format_arg?",,,,
-`LWG-3248 <https://wg21.link/LWG3248>`_,"std::format #b, #B, #o, #x , and #X presentation types misformat negative numbers",Mark de Wever,`D103433 <https://reviews.llvm.org/D103433>`__,Review,
+`LWG-3248 <https://wg21.link/LWG3248>`_,"std::format #b, #B, #o, #x, and #X presentation types misformat negative numbers",Mark de Wever,`D103433 <https://reviews.llvm.org/D103433>`__,Review,
 `LWG-3250 <https://wg21.link/LWG3250>`_,"std::format: # (alternate form) for NaN and inf",,,,
 `LWG-3327 <https://wg21.link/LWG3327>`_,"Format alignment specifiers vs. text direction",,,|Nothing To Do|,
 `LWG-3340 <https://wg21.link/LWG3340>`_,"Formatting functions should throw on argument/format string mismatch in [format.functions]",,,,
 `LWG-3371 <https://wg21.link/LWG3371>`_,"visit_format_arg and make_format_args are not hidden friends",Mark de Wever,`D103357 <https://llvm.org/D103357>`__,Review,
 `LWG-3372 <https://wg21.link/LWG3372>`_,"vformat_to should not try to deduce Out twice",,,,
 `LWG-3373 <https://wg21.link/LWG3373>`_,"{to,from}_chars_result and format_to_n_result need the 'we really mean what we say'",,,,
+`LWG-3462 <https://wg21.link/LWG3462>`_,"§[formatter.requirements]: Formatter requirements forbid use of fc.arg()",,,,
+`LWG-3539 <https://wg21.link/LWG3539>`_,"format_to must not copy models of output_iterator<const charT&>",,,,
+`LWG-3540 <https://wg21.link/LWG3540>`_,"§[format.arg] There should be no const in basic_format_arg(const T* p)",,,,
+`LWG-3541 <https://wg21.link/LWG3541>`_,"indirectly_readable_traits should be SFINAE-friendly for all types",,,,
+`LWG-3542 <https://wg21.link/LWG3542>`_,"basic_format_arg mishandles basic_string_view with custom traits",,,,
+`LWG-3544 <https://wg21.link/LWG3544>`_,"format-arg-store::args is unintentionally not exposition-only",,,,
 
 `P1361 <https://wg21.link/P1361>`_,"Integration of chrono with text formatting",,,,
 `LWG-3218 <https://wg21.link/LWG3218>`_,"Modifier for %d parse flag does not match POSIX and format specification",,,,
 `LWG-3230 <https://wg21.link/LWG3230>`_,"Format specifier %y/%Y is missing locale alternative versions",,,,
 `LWG-3241 <https://wg21.link/LWG3241>`_,"chrono-spec grammar ambiguity in [time.format]",,,,
 `LWG-3262 <https://wg21.link/LWG3262>`_,"Formatting of negative durations is not specified",,,,
 `LWG-3270 <https://wg21.link/LWG3270>`_,"Parsing and formatting %j with durations",,,,
 `LWG-3272 <https://wg21.link/LWG3272>`_,"%I%p should parse/format duration since midnight",,,,
 `LWG-3332 <https://wg21.link/LWG3332>`_,"Issue in [time.format]",,,,
-
-`P2216 <https://wg21.link/P2216>`_,"std::format improvements",,,,

libcxx/docs/Status/RangesIssues.csv

 `LWG3384 <https://wg21.link/lwg3384>`__, transform_view::sentinel has an incorrect operator-,,
 `LWG3385 <https://wg21.link/lwg3385>`__, common_iterator is not sufficiently constrained for non-copyable iterators,,
 `LWG3387 <https://wg21.link/lwg3387>`__, [range.reverse.view] reverse_view<V> unintentionally requires range<const V>,,
 `LWG3388 <https://wg21.link/lwg3388>`__, view iterator types have ill-formed <=> operators,,
 `LWG3389 <https://wg21.link/lwg3389>`__, A move-only iterator still does not have a counted_iterator,,
 `LWG3397 <https://wg21.link/lwg3397>`__, ranges::basic_istream_view::iterator should not provide iterator_category,,
 `LWG3398 <https://wg21.link/lwg3398>`__, tuple_element_t is also wrong for const subrange,,
 `LWG3474 <https://wg21.link/lwg3474>`__, Nesting join_views is broken because of CTAD,,
+`LWG3481 <https://wg21.link/LWG3481>`__,"viewable_range mishandles lvalue move-only views",,
 `LWG3500 <https://wg21.link/lwg3500>`__, join_view::iterator::operator->() is bogus,,
 `LWG3505 <https://wg21.link/lwg3505>`__, split_view::outer-iterator::operator++ misspecified,,
+`LWG3517 <https://wg21.link/LWG3517>`__,"join_view::iterator's iter_swap is underconstrained",,
+`LWG3520 <https://wg21.link/LWG3520>`__,"iter_move and iter_swap are inconsistent for transform_view::iterator",,
+`LWG3522 <https://wg21.link/LWG3522>`__,"Missing requirement on InputIterator template parameter for priority_queue constructors",,
+`LWG3523 <https://wg21.link/LWG3523>`__,"iota_view::sentinel is not always iota_view's sentinel",,
+`LWG3532 <https://wg21.link/LWG3532>`__,"split_view<V, P>::inner-iterator<true>::operator++(int) should depend on Base",,
+`LWG3533 <https://wg21.link/LWG3533>`__,"Make base() const & consistent across iterator wrappers that supports input_iterators",,
+`LWG3541 <https://wg21.link/LWG3541>`__,"indirectly_readable_traits should be SFINAE-friendly for all types",,
+`LWG3543 <https://wg21.link/LWG3543>`__,"Definition of when counted_iterators refer to the same sequence isn't quite right",,
+`LWG3546 <https://wg21.link/LWG3546>`__,"common_iterator's postfix-proxy is not quite right",,
+`LWG3549 <https://wg21.link/LWG3549>`__,"view_interface is overspecified to derive from view_base",,
+`LWG3551 <https://wg21.link/LWG3551>`__,"borrowed_{iterator,subrange}_t are overspecified",,
+`LWG3553 <https://wg21.link/LWG3553>`__,"Useless constraint in split_view::outer-iterator::value_type::begin()",,
+`LWG3555 <https://wg21.link/LWG3555>`__,"{transform,elements}_view::iterator::iterator_concept should consider const-qualification of the underlying range",,