libcxx/docs/Status/Cxx20Issues.csv

   1 "Issue #","Issue Name","Meeting","Status","First released version","Notes"
   2 "`LWG2070 <https://wg21.link/LWG2070>`__","``allocate_shared``\  should use ``allocator_traits<A>::construct``\ ","2017-07 (Toronto)","|Nothing To Do|","","Resolved by `P0674R1 <https://wg21.link/P0674R1>`__"
   3 "`LWG2444 <https://wg21.link/LWG2444>`__","Inconsistent complexity for ``std::sort_heap``\ ","2017-07 (Toronto)","|Nothing To Do|","",""
   4 "`LWG2593 <https://wg21.link/LWG2593>`__","Moved-from state of Allocators","2017-07 (Toronto)","|Nothing To Do|","",""
   5 "`LWG2597 <https://wg21.link/LWG2597>`__","``std::log``\  misspecified for complex numbers","2017-07 (Toronto)","","",""
   6 "`LWG2783 <https://wg21.link/LWG2783>`__","``stack::emplace()``\  and ``queue::emplace()``\  should return ``decltype(auto)``\ ","2017-07 (Toronto)","|Complete|","",""
   7 "`LWG2932 <https://wg21.link/LWG2932>`__","Constraints on parallel algorithm implementations are underspecified","2017-07 (Toronto)","","",""
   8 "`LWG2937 <https://wg21.link/LWG2937>`__","Is ``equivalent(""existing_thing"", ""not_existing_thing"")``\  an error","2017-07 (Toronto)","|Complete|","",""
   9 "`LWG2940 <https://wg21.link/LWG2940>`__","``result_of``\  specification also needs a little cleanup","2017-07 (Toronto)","|Nothing To Do|","",""
  10 "`LWG2942 <https://wg21.link/LWG2942>`__","LWG 2873's resolution missed ``weak_ptr::owner_before``\ ","2017-07 (Toronto)","|Complete|","",""
  11 "`LWG2954 <https://wg21.link/LWG2954>`__","Specialization of the convenience variable templates should be prohibited","2017-07 (Toronto)","|Complete|","",""
  12 "`LWG2961 <https://wg21.link/LWG2961>`__","Bad postcondition for ``set_default_resource``\ ","2017-07 (Toronto)","|Complete|","16",""
  13 "`LWG2966 <https://wg21.link/LWG2966>`__","Incomplete resolution of US 74","2017-07 (Toronto)","|Nothing To Do|","",""
  14 "`LWG2974 <https://wg21.link/LWG2974>`__","Diagnose out of bounds ``tuple_element/variant_alternative``\ ","2017-07 (Toronto)","|Complete|","",""
  15 "","","","","",""
  16 "`LWG2779 <https://wg21.link/LWG2779>`__","[networking.ts] Relax requirements on buffer sequence iterators","2017-11 (Albuquerque)","","",""
  17 "`LWG2870 <https://wg21.link/LWG2870>`__","Default value of parameter theta of polar should be dependent","2017-11 (Albuquerque)","|Complete|","",""
  18 "`LWG2935 <https://wg21.link/LWG2935>`__","What should create_directories do when p already exists but is not a directory?","2017-11 (Albuquerque)","|Nothing To Do|","",""
  19 "`LWG2941 <https://wg21.link/LWG2941>`__","[thread.req.timing] wording should apply to both member and namespace-level functions","2017-11 (Albuquerque)","|Nothing To Do|","",""
  20 "`LWG2944 <https://wg21.link/LWG2944>`__","LWG 2905 accidentally removed requirement that construction of the deleter doesn't throw an exception","2017-11 (Albuquerque)","|Nothing To Do|","",""
  21 "`LWG2945 <https://wg21.link/LWG2945>`__","Order of template parameters in optional comparisons","2017-11 (Albuquerque)","|Complete|","",""
  22 "`LWG2948 <https://wg21.link/LWG2948>`__","unique_ptr does not define operator<< for stream output","2017-11 (Albuquerque)","|Complete|","",""
  23 "`LWG2950 <https://wg21.link/LWG2950>`__","std::byte operations are misspecified","2017-11 (Albuquerque)","|Complete|","",""
  24 "`LWG2952 <https://wg21.link/LWG2952>`__","iterator_traits should work for pointers to cv T","2017-11 (Albuquerque)","|Complete|","",""
  25 "`LWG2953 <https://wg21.link/LWG2953>`__","LWG 2853 should apply to deque::erase too","2017-11 (Albuquerque)","|Complete|","",""
  26 "`LWG2958 <https://wg21.link/LWG2958>`__","Moves improperly defined as deleted","2017-11 (Albuquerque)","|Complete|","",""
  27 "`LWG2964 <https://wg21.link/LWG2964>`__","Apparently redundant requirement for dynamic_pointer_cast","2017-11 (Albuquerque)","","",""
  28 "`LWG2965 <https://wg21.link/LWG2965>`__","Non-existing path::native_string() in filesystem_error::what() specification","2017-11 (Albuquerque)","|Nothing To Do|","",""
  29 "`LWG2972 <https://wg21.link/LWG2972>`__","What is ``is_trivially_destructible_v<int>``\ ?","2017-11 (Albuquerque)","|Complete|","",""
  30 "`LWG2976 <https://wg21.link/LWG2976>`__","Dangling uses_allocator specialization for packaged_task","2017-11 (Albuquerque)","|Complete|","20","Originally implemented in LLVM 6 but reverted later. Old documentation incorrectly said it was implemented."
  31 "`LWG2977 <https://wg21.link/LWG2977>`__","unordered_meow::merge() has incorrect Throws: clause","2017-11 (Albuquerque)","|Nothing To Do|","",""
  32 "`LWG2978 <https://wg21.link/LWG2978>`__","Hash support for pmr::string and friends","2017-11 (Albuquerque)","|Complete|","16",""
  33 "`LWG2979 <https://wg21.link/LWG2979>`__","aligned_union should require complete object types","2017-11 (Albuquerque)","|Complete|","",""
  34 "`LWG2980 <https://wg21.link/LWG2980>`__","Cannot compare_exchange empty pointers","2017-11 (Albuquerque)","","",""
  35 "`LWG2981 <https://wg21.link/LWG2981>`__","Remove redundant deduction guides from standard library","2017-11 (Albuquerque)","|Nothing To Do|","",""
  36 "`LWG2982 <https://wg21.link/LWG2982>`__","Making size_type consistent in associative container deduction guides","2017-11 (Albuquerque)","","",""
  37 "`LWG2988 <https://wg21.link/LWG2988>`__","Clause 32 cleanup missed one typename","2017-11 (Albuquerque)","|Complete|","13",""
  38 "`LWG2993 <https://wg21.link/LWG2993>`__","reference_wrapper<T> conversion from T&&","2017-11 (Albuquerque)","|Complete|","13",""
  39 "`LWG2998 <https://wg21.link/LWG2998>`__","Requirements on function objects passed to {``forward_``,}list-specific algorithms","2017-11 (Albuquerque)","|Nothing To Do|","",""
  40 "`LWG3001 <https://wg21.link/LWG3001>`__","weak_ptr::element_type needs remove_extent_t","2017-11 (Albuquerque)","|Complete|","14",""
  41 "`LWG3024 <https://wg21.link/LWG3024>`__","variant's copies must be deleted instead of disabled via SFINAE","2017-11 (Albuquerque)","|Complete|","",""
  42 "","","","","",""
  43 "`LWG2164 <https://wg21.link/LWG2164>`__","What are the semantics of ``vector.emplace(vector.begin(), vector.back())``\ ?","2018-03 (Jacksonville)","|Complete|","",""
  44 "`LWG2243 <https://wg21.link/LWG2243>`__","``istream::putback``\  problem","2018-03 (Jacksonville)","|Complete|","",""
  45 "`LWG2816 <https://wg21.link/LWG2816>`__","``resize_file``\  has impossible postcondition","2018-03 (Jacksonville)","|Nothing To Do|","",""
  46 "`LWG2843 <https://wg21.link/LWG2843>`__","Unclear behavior of ``std::pmr::memory_resource::do_allocate()``\ ","2018-03 (Jacksonville)","|Complete|","",""
  47 "`LWG2849 <https://wg21.link/LWG2849>`__","Why does ``!is_regular_file(from)``\  cause ``copy_file``\  to report a ""file already exists"" error?","2018-03 (Jacksonville)","|Nothing To Do|","",""
  48 "`LWG2851 <https://wg21.link/LWG2851>`__","``std::filesystem``\  enum classes are now underspecified","2018-03 (Jacksonville)","|Nothing To Do|","",""
  49 "`LWG2946 <https://wg21.link/LWG2946>`__","LWG 2758's resolution missed further corrections","2018-03 (Jacksonville)","|Complete|","",""
  50 "`LWG2969 <https://wg21.link/LWG2969>`__","``polymorphic_allocator::construct()``\  shouldn't pass ``resource()``\ ","2018-03 (Jacksonville)","|Complete|","",""
  51 "`LWG2975 <https://wg21.link/LWG2975>`__","Missing case for ``pair``\  construction in scoped and polymorphic allocators","2018-03 (Jacksonville)","","",""
  52 "`LWG2989 <https://wg21.link/LWG2989>`__","``path``\ 's stream insertion operator lets you insert everything under the sun","2018-03 (Jacksonville)","|Complete|","",""
  53 "`LWG3000 <https://wg21.link/LWG3000>`__","``monotonic_memory_resource::do_is_equal``\  uses ``dynamic_cast``\  unnecessarily","2018-03 (Jacksonville)","|Complete|","16",""
  54 "`LWG3002 <https://wg21.link/LWG3002>`__","[networking.ts] ``basic_socket_acceptor::is_open()``\  isn't ``noexcept``\ ","2018-03 (Jacksonville)","","",""
  55 "`LWG3004 <https://wg21.link/LWG3004>`__","|sect|\ [string.capacity] and |sect|\ [vector.capacity] should specify time complexity for ``capacity()``\ ","2018-03 (Jacksonville)","|Nothing To Do|","",""
  56 "`LWG3005 <https://wg21.link/LWG3005>`__","Destruction order of arrays by ``make_shared/allocate_shared``\  only recommended?","2018-03 (Jacksonville)","","",""
  57 "`LWG3007 <https://wg21.link/LWG3007>`__","``allocate_shared``\  should rebind allocator to *cv*-unqualified ``value_type``\  for construction","2018-03 (Jacksonville)","","",""
  58 "`LWG3009 <https://wg21.link/LWG3009>`__","Including ``<string_view>``\  doesn't provide ``std::size/empty/data``\ ","2018-03 (Jacksonville)","|Complete|","",""
  59 "`LWG3010 <https://wg21.link/LWG3010>`__","[networking.ts] ``uses_executor``\  says ""if a type ``T::executor_type``\  exists""","2018-03 (Jacksonville)","","",""
  60 "`LWG3013 <https://wg21.link/LWG3013>`__","``(recursive_)directory_iterator``\  construction and traversal should not be ``noexcept``\ ","2018-03 (Jacksonville)","|Complete|","",""
  61 "`LWG3014 <https://wg21.link/LWG3014>`__","More ``noexcept``\  issues with filesystem operations","2018-03 (Jacksonville)","|Complete|","",""
  62 "`LWG3015 <https://wg21.link/LWG3015>`__","``copy_options::*unspecified*``\  underspecified","2018-03 (Jacksonville)","|Nothing To Do|","",""
  63 "`LWG3017 <https://wg21.link/LWG3017>`__","``list splice``\  functions should use ``addressof``\ ","2018-03 (Jacksonville)","|Complete|","",""
  64 "`LWG3020 <https://wg21.link/LWG3020>`__","[networking.ts] Remove spurious nested ``value_type``\  buffer sequence requirement","2018-03 (Jacksonville)","","",""
  65 "`LWG3026 <https://wg21.link/LWG3026>`__","``filesystem::weakly_canonical``\  still defined in terms of ``canonical(p, base)``\ ","2018-03 (Jacksonville)","|Complete|","",""
  66 "`LWG3030 <https://wg21.link/LWG3030>`__","Who shall meet the requirements of ``try_lock``\ ?","2018-03 (Jacksonville)","|Nothing To Do|","",""
  67 "`LWG3034 <https://wg21.link/LWG3034>`__","P0767R1 breaks previously-standard-layout types","2018-03 (Jacksonville)","|Complete|","",""
  68 "`LWG3035 <https://wg21.link/LWG3035>`__","``std::allocator``\ 's constructors should be ``constexpr``\ ","2018-03 (Jacksonville)","|Complete|","",""
  69 "`LWG3039 <https://wg21.link/LWG3039>`__","Unnecessary ``decay``\  in ``thread``\  and ``packaged_task``\ ","2018-03 (Jacksonville)","|Complete|","",""
  70 "`LWG3041 <https://wg21.link/LWG3041>`__","Unnecessary ``decay``\  in ``reference_wrapper``\ ","2018-03 (Jacksonville)","|Complete|","",""
  71 "`LWG3042 <https://wg21.link/LWG3042>`__","``is_literal_type_v``\  should be inline","2018-03 (Jacksonville)","|Complete|","",""
  72 "`LWG3043 <https://wg21.link/LWG3043>`__","Bogus postcondition for ``filesystem_error``\  constructor","2018-03 (Jacksonville)","|Complete|","",""
  73 "`LWG3045 <https://wg21.link/LWG3045>`__","``atomic<floating-point>``\  doesn't have ``value_type``\  or ``difference_type``\ ","2018-03 (Jacksonville)","|Complete|","18",""
  74 "`LWG3048 <https://wg21.link/LWG3048>`__","``transform_reduce(exec, first1, last1, first2, init)``\  discards execution policy","2018-03 (Jacksonville)","|Complete|","17",""
  75 "`LWG3051 <https://wg21.link/LWG3051>`__","Floating point classifications were inadvertently changed in P0175","2018-03 (Jacksonville)","|Nothing To Do|","",""
  76 "`LWG3075 <https://wg21.link/LWG3075>`__","``basic_string``\  needs deduction guides from ``basic_string_view``\ ","2018-03 (Jacksonville)","|Complete|","",""
  77 "","","","","",""
  78 "`LWG2139 <https://wg21.link/LWG2139>`__","What is a user-defined type?","2018-06 (Rapperswil)","","",""
  79 "`LWG2970 <https://wg21.link/LWG2970>`__","Return type of std::visit misspecified","2018-06 (Rapperswil)","|Complete|","11",""
  80 "`LWG3058 <https://wg21.link/LWG3058>`__","Parallel adjacent_difference shouldn't require creating temporaries","2018-06 (Rapperswil)","","",""
  81 "`LWG3062 <https://wg21.link/LWG3062>`__","Unnecessary decay_t in is_execution_policy_v should be remove_cvref_t","2018-06 (Rapperswil)","|Complete|","17",""
  82 "`LWG3067 <https://wg21.link/LWG3067>`__","recursive_directory_iterator::pop must invalidate","2018-06 (Rapperswil)","|Nothing To Do|","",""
  83 "`LWG3071 <https://wg21.link/LWG3071>`__","[networking.ts] read_until still refers to ""input sequence""","2018-06 (Rapperswil)","|Nothing To Do|","",""
  84 "`LWG3074 <https://wg21.link/LWG3074>`__","Non-member functions for valarray should only deduce from the valarray","2018-06 (Rapperswil)","","",""
  85 "`LWG3076 <https://wg21.link/LWG3076>`__","basic_string CTAD ambiguity","2018-06 (Rapperswil)","|Complete|","",""
  86 "`LWG3079 <https://wg21.link/LWG3079>`__","LWG 2935 forgot to fix the existing_p overloads of create_directory","2018-06 (Rapperswil)","|Nothing To Do|","",""
  87 "`LWG3080 <https://wg21.link/LWG3080>`__","Floating point from_chars pattern specification breaks round-tripping","2018-06 (Rapperswil)","","",""
  88 "`LWG3083 <https://wg21.link/LWG3083>`__","What should ios::iword(-1) do?","2018-06 (Rapperswil)","|Nothing To Do|","",""
  89 "`LWG3094 <https://wg21.link/LWG3094>`__","[time.duration.io]p4 makes surprising claims about encoding","2018-06 (Rapperswil)","","",""
  90 "`LWG3100 <https://wg21.link/LWG3100>`__","Unnecessary and confusing ""empty span"" wording","2018-06 (Rapperswil)","|Nothing To Do|","",""
  91 "`LWG3102 <https://wg21.link/LWG3102>`__","Clarify span iterator and ``const_iterator`` behavior","2018-06 (Rapperswil)","|Complete|","",""
  92 "`LWG3104 <https://wg21.link/LWG3104>`__","Fixing duration division","2018-06 (Rapperswil)","|Complete|","",""
  93 "","","","","",""
  94 "`LWG2183 <https://wg21.link/LWG2183>`__","Muddled allocator requirements for ``match_results``\  constructors","2018-11 (San Diego)","|Complete|","",""
  95 "`LWG2184 <https://wg21.link/LWG2184>`__","Muddled allocator requirements for ``match_results``\  assignments","2018-11 (San Diego)","|Complete|","",""
  96 "`LWG2412 <https://wg21.link/LWG2412>`__","``promise::set_value()``\  and ``promise::get_future()``\  should not race","2018-11 (San Diego)","","",""
  97 "`LWG2499 <https://wg21.link/LWG2499>`__","``operator>>(basic_istream&, CharT*)``\  makes it hard to avoid buffer overflows","2018-11 (San Diego)","|Nothing To Do|","","Resolved by `P0487R1 <https://wg21.link/P0487R1>`__"
  98 "`LWG2682 <https://wg21.link/LWG2682>`__","``filesystem::copy()``\  won't create a symlink to a directory","2018-11 (San Diego)","|Nothing To Do|","",""
  99 "`LWG2697 <https://wg21.link/LWG2697>`__","[concurr.ts] Behavior of ``future/shared_future``\  unwrapping constructor when given an invalid ``future``\ ","2018-11 (San Diego)","","",""
 100 "`LWG2797 <https://wg21.link/LWG2797>`__","Trait precondition violations","2018-11 (San Diego)","|Nothing To Do|","","Resolved by `P1285R0 <https://wg21.link/P1285R0>`__"
 101 "`LWG2936 <https://wg21.link/LWG2936>`__","Path comparison is defined in terms of the generic format","2018-11 (San Diego)","|Complete|","",""
 102 "`LWG2943 <https://wg21.link/LWG2943>`__","Problematic specification of the wide version of ``basic_filebuf::open``\ ","2018-11 (San Diego)","|Nothing To Do|","",""
 103 "`LWG2960 <https://wg21.link/LWG2960>`__","[fund.ts.v3] ``nonesuch``\  is insufficiently useless","2018-11 (San Diego)","|Complete|","",""
 104 "`LWG2995 <https://wg21.link/LWG2995>`__","``basic_stringbuf``\  default constructor forbids it from using SSO capacity","2018-11 (San Diego)","|Complete|","20",""
 105 "`LWG2996 <https://wg21.link/LWG2996>`__","Missing rvalue overloads for ``shared_ptr``\  operations","2018-11 (San Diego)","|Complete|","17",""
 106 "`LWG3008 <https://wg21.link/LWG3008>`__","``make_shared``\  (sub)object destruction semantics are not specified","2018-11 (San Diego)","|Complete|","16",""
 107 "`LWG3022 <https://wg21.link/LWG3022>`__","``is_convertible<derived*, base*>``\  may lead to ODR","2018-11 (San Diego)","|Nothing To Do|","","Resolved by `P1285R0 <https://wg21.link/P1285R0>`__"
 108 "`LWG3025 <https://wg21.link/LWG3025>`__","Map-like container deduction guides should use ``pair<Key, T>``\ , not ``pair<const Key, T>``\ ","2018-11 (San Diego)","|Complete|","",""
 109 "`LWG3031 <https://wg21.link/LWG3031>`__","Algorithms and predicates with non-const reference arguments","2018-11 (San Diego)","","",""
 110 "`LWG3037 <https://wg21.link/LWG3037>`__","``polymorphic_allocator``\  and incomplete types","2018-11 (San Diego)","|Complete|","16",""
 111 "`LWG3038 <https://wg21.link/LWG3038>`__","``polymorphic_allocator::allocate``\  should not allow integer overflow to create vulnerabilities","2018-11 (San Diego)","|Complete|","14",""
 112 "`LWG3054 <https://wg21.link/LWG3054>`__","``uninitialized_copy``\  appears to not be able to meet its exception-safety guarantee","2018-11 (San Diego)","|Nothing To Do|","",""
 113 "`LWG3065 <https://wg21.link/LWG3065>`__","LWG 2989 missed that all ``path``\ 's other operators should be hidden friends as well","2018-11 (San Diego)","|Complete|","",""
 114 "`LWG3096 <https://wg21.link/LWG3096>`__","``path::lexically_relative``\  is confused by trailing slashes","2018-11 (San Diego)","|Complete|","",""
 115 "`LWG3116 <https://wg21.link/LWG3116>`__","``OUTERMOST_ALLOC_TRAITS``\  needs ``remove_reference_t``\ ","2018-11 (San Diego)","","",""
 116 "`LWG3122 <https://wg21.link/LWG3122>`__","``__cpp_lib_chrono_udls``\  was accidentally dropped","2018-11 (San Diego)","|Complete|","",""
 117 "`LWG3127 <https://wg21.link/LWG3127>`__","``basic_osyncstream::rdbuf``\  needs a ``const_cast``\ ","2018-11 (San Diego)","|Complete|","18",""
 118 "`LWG3128 <https://wg21.link/LWG3128>`__","``strstream::rdbuf``\  needs a ``const_cast``\ ","2018-11 (San Diego)","|Nothing To Do|","",""
 119 "`LWG3129 <https://wg21.link/LWG3129>`__","``regex_token_iterator``\  constructor uses wrong pointer arithmetic","2018-11 (San Diego)","","",""
 120 "`LWG3130 <https://wg21.link/LWG3130>`__","|sect|\ [input.output] needs many ``addressof``\ ","2018-11 (San Diego)","|Complete|","20",""
 121 "`LWG3131 <https://wg21.link/LWG3131>`__","``addressof``\  all the things","2018-11 (San Diego)","","",""
 122 "`LWG3132 <https://wg21.link/LWG3132>`__","Library needs to ban macros named ``expects``\  or ``ensures``\ ","2018-11 (San Diego)","|Nothing To Do|","",""
 123 "`LWG3134 <https://wg21.link/LWG3134>`__","[fund.ts.v3] LFTSv3 contains extraneous [meta] variable templates that should have been deleted by P09961","2018-11 (San Diego)","|Nothing To Do|","","Resolved by `P1210R0 <https://wg21.link/P1210R0>`__"
 124 "`LWG3137 <https://wg21.link/LWG3137>`__","Header for ``__cpp_lib_to_chars``\ ","2018-11 (San Diego)","|Complete|","",""
 125 "`LWG3140 <https://wg21.link/LWG3140>`__","``COMMON_REF``\  is unimplementable as specified","2018-11 (San Diego)","|Nothing To Do|","",""
 126 "`LWG3145 <https://wg21.link/LWG3145>`__","``file_clock``\  breaks ABI for C++17 implementations","2018-11 (San Diego)","|Complete|","",""
 127 "`LWG3147 <https://wg21.link/LWG3147>`__","Definitions of ""likely"" and ""unlikely"" are likely to cause problems","2018-11 (San Diego)","|Nothing To Do|","",""
 128 "`LWG3148 <https://wg21.link/LWG3148>`__","``<concepts>``\  should be freestanding","2018-11 (San Diego)","","",""
 129 "`LWG3153 <https://wg21.link/LWG3153>`__","``Common``\  and ``common_type``\  have too little in common","2018-11 (San Diego)","|Complete|","13",""
 130 "`LWG3154 <https://wg21.link/LWG3154>`__","``Common``\  and ``CommonReference``\  have a common defect","2018-11 (San Diego)","|Nothing To Do|","",""
 131 "","","","","",""
 132 "`LWG3012 <https://wg21.link/LWG3012>`__","``atomic<T>``\  is unimplementable for non-``is_trivially_copy_constructible T``\ ","2019-02 (Kona)","","",""
 133 "`LWG3040 <https://wg21.link/LWG3040>`__","``basic_string_view::starts_with``\  *Effects* are incorrect","2019-02 (Kona)","|Complete|","",""
 134 "`LWG3077 <https://wg21.link/LWG3077>`__","``(push|emplace)_back``\  should invalidate the ``end``\  iterator","2019-02 (Kona)","|Nothing To Do|","",""
 135 "`LWG3087 <https://wg21.link/LWG3087>`__","One final ``&x``\  in |sect|\ [list.ops]","2019-02 (Kona)","|Nothing To Do|","",""
 136 "`LWG3101 <https://wg21.link/LWG3101>`__","``span``\ 's ``Container``\  constructors need another constraint","2019-02 (Kona)","|Complete|","",""
 137 "`LWG3112 <https://wg21.link/LWG3112>`__","``system_error``\  and ``filesystem_error``\  constructors taking a ``string``\  may not be able to meet their postconditions","2019-02 (Kona)","|Nothing To Do|","",""
 138 "`LWG3119 <https://wg21.link/LWG3119>`__","Program-definedness of closure types","2019-02 (Kona)","|Nothing To Do|","",""
 139 "`LWG3133 <https://wg21.link/LWG3133>`__","Modernizing numeric type requirements","2019-02 (Kona)","","",""
 140 "`LWG3144 <https://wg21.link/LWG3144>`__","``span``\  does not have a ``const_pointer``\  typedef","2019-02 (Kona)","|Complete|","",""
 141 "`LWG3173 <https://wg21.link/LWG3173>`__","Enable CTAD for ``ref-view``\ ","2019-02 (Kona)","|Complete|","15",""
 142 "`LWG3179 <https://wg21.link/LWG3179>`__","``subrange``\  should always model ``Range``\ ","2019-02 (Kona)","|Nothing To Do|","",""
 143 "`LWG3180 <https://wg21.link/LWG3180>`__","Inconsistently named return type for ``ranges::minmax_element``\ ","2019-02 (Kona)","|Complete|","15",""
 144 "`LWG3182 <https://wg21.link/LWG3182>`__","Specification of ``Same``\  could be clearer","2019-02 (Kona)","|Complete|","15",""
 145 "","","","","",""
 146 "`LWG2899 <https://wg21.link/LWG2899>`__","``is_(nothrow_)move_constructible``\  and ``tuple``\ , ``optional``\  and ``unique_ptr``\ ","2019-07 (Cologne)","","",""
 147 "`LWG3055 <https://wg21.link/LWG3055>`__","``path::operator+=(*single-character*)``\  misspecified","2019-07 (Cologne)","|Complete|","7",""
 148 "`LWG3158 <https://wg21.link/LWG3158>`__","``tuple(allocator_arg_t, const Alloc&)``\  should be conditionally explicit","2019-07 (Cologne)","|Complete|","10",""
 149 "`LWG3169 <https://wg21.link/LWG3169>`__","``ranges``\  permutation generators discard useful information","2019-07 (Cologne)","|Complete|","15",""
 150 "`LWG3183 <https://wg21.link/LWG3183>`__","Normative permission to specialize Ranges variable templates","2019-07 (Cologne)","|Nothing To Do|","",""
 151 "`LWG3184 <https://wg21.link/LWG3184>`__","Inconsistencies in ``bind_front``\  wording","2019-07 (Cologne)","|Complete|","13",""
 152 "`LWG3185 <https://wg21.link/LWG3185>`__","Uses-allocator construction functions missing ``constexpr``\  and ``noexcept``\ ","2019-07 (Cologne)","|Complete|","16",""
 153 "`LWG3186 <https://wg21.link/LWG3186>`__","``ranges``\  removal, partition, and ``partial_sort_copy``\  algorithms discard useful information","2019-07 (Cologne)","|Complete|","15",""
 154 "`LWG3187 <https://wg21.link/LWG3187>`__","`P0591R4 <https://wg21.link/p0591r4>`__ reverted DR 2586 fixes to ``scoped_allocator_adaptor::construct()``\ ","2019-07 (Cologne)","","",""
 155 "`LWG3191 <https://wg21.link/LWG3191>`__","``std::ranges::shuffle``\  synopsis does not match algorithm definition","2019-07 (Cologne)","|Complete|","15",""
 156 "`LWG3196 <https://wg21.link/LWG3196>`__","``std::optional<T>``\  is ill-formed is ``T``\  is an array","2019-07 (Cologne)","|Complete|","",""
 157 "`LWG3198 <https://wg21.link/LWG3198>`__","Bad constraint on ``std::span::span()``\ ","2019-07 (Cologne)","|Complete|","",""
 158 "`LWG3199 <https://wg21.link/LWG3199>`__","``istream >> bitset<0>``\  fails","2019-07 (Cologne)","|Complete|","10",""
 159 "`LWG3202 <https://wg21.link/LWG3202>`__","P0318R1 was supposed to be revised","2019-07 (Cologne)","|Complete|","",""
 160 "`LWG3206 <https://wg21.link/LWG3206>`__","``year_month_day``\  conversion to ``sys_days``\  uses not-existing member function","2019-07 (Cologne)","|Complete|","",""
 161 "`LWG3208 <https://wg21.link/LWG3208>`__","``Boolean``\ 's expression requirements are ordered inconsistently","2019-07 (Cologne)","|Nothing To Do|","",""
 162 "`LWG3209 <https://wg21.link/LWG3209>`__","Expression in ``year::ok()``\  returns clause is ill-formed","2019-07 (Cologne)","|Complete|","",""
 163 "","","","","",""
 164 "`LWG3231 <https://wg21.link/LWG3231>`__","``year_month_day_last::day``\  specification does not cover ``!ok()``\  values","2019-11 (Belfast)","|Nothing To Do|","",""
 165 "`LWG3225 <https://wg21.link/LWG3225>`__","``zoned_time``\  converting constructor shall not be ``noexcept``\ ","2019-11 (Belfast)","|Complete|","19",""
 166 "`LWG3190 <https://wg21.link/LWG3190>`__","``std::allocator::allocate``\  sometimes returns too little storage","2019-11 (Belfast)","|Complete|","14",""
 167 "`LWG3218 <https://wg21.link/LWG3218>`__","Modifier for ``%d``\  parse flag does not match POSIX and ``format``\  specification","2019-11 (Belfast)","","",""
 168 "`LWG3224 <https://wg21.link/LWG3224>`__","``zoned_time``\  constructor from ``TimeZonePtr``\  does not specify initialization of ``tp_``\ ","2019-11 (Belfast)","|Complete|","19",""
 169 "`LWG3230 <https://wg21.link/LWG3230>`__","Format specifier ``%y/%Y``\  is missing locale alternative versions","2019-11 (Belfast)","|Complete|","16",""
 170 "`LWG3232 <https://wg21.link/LWG3232>`__","Inconsistency in ``zoned_time``\  deduction guides","2019-11 (Belfast)","|Complete|","19",""
 171 "`LWG3222 <https://wg21.link/LWG3222>`__","P0574R1 introduced preconditions on non-existent parameters","2019-11 (Belfast)","","",""
 172 "`LWG3221 <https://wg21.link/LWG3221>`__","Result of ``year_month``\  arithmetic with ``months``\  is ambiguous","2019-11 (Belfast)","|Complete|","8",""
 173 "`LWG3235 <https://wg21.link/LWG3235>`__","``parse``\  manipulator without abbreviation is not callable","2019-11 (Belfast)","","",""
 174 "`LWG3246 <https://wg21.link/LWG3246>`__","LWG3246: What are the constraints on the template parameter of `basic_format_arg`?","2019-11 (Belfast)","|Nothing To Do|","",""
 175 "`LWG3253 <https://wg21.link/LWG3253>`__","``basic_syncbuf::basic_syncbuf()``\  should not be explicit","2019-11 (Belfast)","|Complete|","20",""
 176 "`LWG3245 <https://wg21.link/LWG3245>`__","Unnecessary restriction on ``'%p'``\  parse specifier","2019-11 (Belfast)","","",""
 177 "`LWG3244 <https://wg21.link/LWG3244>`__","Constraints for ``Source``\  in |sect|\ [fs.path.req] insufficiently constrainty","2019-11 (Belfast)","","",""
 178 "`LWG3241 <https://wg21.link/LWG3241>`__","``chrono-spec``\  grammar ambiguity in |sect|\ [time.format]","2019-11 (Belfast)","|Complete|","16",""
 179 "`LWG3257 <https://wg21.link/LWG3257>`__","Missing feature testing macro update from P0858","2019-11 (Belfast)","|Complete|","12",""
 180 "`LWG3256 <https://wg21.link/LWG3256>`__","Feature testing macro for ``constexpr``\  algorithms","2019-11 (Belfast)","|Complete|","13",""
 181 "`LWG3273 <https://wg21.link/LWG3273>`__","Specify ``weekday_indexed``\  to range of ``[0, 7]``\ ","2019-11 (Belfast)","|Complete|","16",""
 182 "`LWG3070 <https://wg21.link/LWG3070>`__","``path::lexically_relative``\  causes surprising results if a filename can also be a  *root-name*","2019-11 (Belfast)","","",""
 183 "`LWG3266 <https://wg21.link/LWG3266>`__","``to_chars(bool)``\  should be deleted","2019-11 (Belfast)","|Complete|","14",""
 184 "`LWG3272 <https://wg21.link/LWG3272>`__","``%I%p``\  should parse/format ``duration``\  since midnight","2019-11 (Belfast)","","",""
 185 "`LWG3259 <https://wg21.link/LWG3259>`__","The definition of *constexpr iterators* should be adjusted","2019-11 (Belfast)","|Nothing To Do|","",""
 186 "`LWG3103 <https://wg21.link/LWG3103>`__","Errors in taking subview of ``span``\  should be ill-formed where possible","2019-11 (Belfast)","|Complete|","11",""
 187 "`LWG3274 <https://wg21.link/LWG3274>`__","Missing feature test macro for ``<span>``\ ","2019-11 (Belfast)","|Complete|","11",""
 188 "`LWG3276 <https://wg21.link/LWG3276>`__","Class ``split_view::outer_iterator::value_type``\  should inherit from ``view_interface``\ ","2019-11 (Belfast)","|Complete|","15",""
 189 "`LWG3277 <https://wg21.link/LWG3277>`__","Pre-increment on prvalues is not a requirement of ``weakly_incrementable``\ ","2019-11 (Belfast)","|Nothing To Do|","",""
 190 "`LWG3149 <https://wg21.link/LWG3149>`__","``DefaultConstructible``\  should require default initialization","2019-11 (Belfast)","|Complete|","13",""
 191 "","","","","",""
 192 "`LWG1203 <https://wg21.link/LWG1203>`__","More useful rvalue stream insertion","2020-02 (Prague)","|Complete|","12",""
 193 "`LWG2859 <https://wg21.link/LWG2859>`__","Definition of *reachable* in [ptr.launder] misses pointer arithmetic from pointer-interconvertible object","2020-02 (Prague)","","",""
 194 "`LWG3018 <https://wg21.link/LWG3018>`__","``shared_ptr``\  of function type","2020-02 (Prague)","|Nothing To Do|","",""
 195 "`LWG3050 <https://wg21.link/LWG3050>`__","Conversion specification problem in ``chrono::duration``\  constructor","2020-02 (Prague)","|Complete|","19",""
 196 "`LWG3141 <https://wg21.link/LWG3141>`__","``CopyConstructible``\  doesn't preserve source values","2020-02 (Prague)","|Nothing To Do|","",""
 197 "`LWG3150 <https://wg21.link/LWG3150>`__","``UniformRandomBitGenerator``\  should validate ``min``\  and ``max``\ ","2020-02 (Prague)","|Complete|","13",""
 198 "`LWG3175 <https://wg21.link/LWG3175>`__","The ``CommonReference``\  requirement of concept ``SwappableWith``\  is not satisfied in the example","2020-02 (Prague)","|Complete|","13",""
 199 "`LWG3194 <https://wg21.link/LWG3194>`__","``ConvertibleTo``\  prose does not match code","2020-02 (Prague)","|Complete|","13",""
 200 "`LWG3200 <https://wg21.link/LWG3200>`__","``midpoint``\  should not constrain ``T``\  is complete","2020-02 (Prague)","|Nothing To Do|","",""
 201 "`LWG3201 <https://wg21.link/LWG3201>`__","``lerp``\  should be marked as ``noexcept``\ ","2020-02 (Prague)","|Complete|","",""
 202 "`LWG3226 <https://wg21.link/LWG3226>`__","``zoned_time``\  constructor from ``string_view``\  should accept ``zoned_time<Duration2, TimeZonePtr2>``\ ","2020-02 (Prague)","|Complete|","19",""
 203 "`LWG3233 <https://wg21.link/LWG3233>`__","Broken requirements for ``shared_ptr``\  converting constructors","2020-02 (Prague)","|Complete|","19",""
 204 "`LWG3237 <https://wg21.link/LWG3237>`__","LWG 3038 and 3190 have inconsistent PRs","2020-02 (Prague)","|Complete|","16",""
 205 "`LWG3238 <https://wg21.link/LWG3238>`__","Insufficiently-defined behavior of ``std::function``\  deduction guides","2020-02 (Prague)","|Nothing To Do|","",""
 206 "`LWG3242 <https://wg21.link/LWG3242>`__","``std::format``\ : missing rules for ``arg-id``\  in ``width``\  and ``precision``\ ","2020-02 (Prague)","|Complete|","14",""
 207 "`LWG3243 <https://wg21.link/LWG3243>`__","``std::format``\  and negative zeroes","2020-02 (Prague)","|Complete|","14",""
 208 "`LWG3247 <https://wg21.link/LWG3247>`__","``ranges::iter_move``\  should perform ADL-only lookup of ``iter_move``\ ","2020-02 (Prague)","|Complete|","15",""
 209 "`LWG3248 <https://wg21.link/LWG3248>`__","``std::format``\  ``#b``\ , ``#B``\ , ``#o``\ , ``#x``\ , and ``#X``\   presentation types misformat negative numbers","2020-02 (Prague)","|Complete|","14",""
 210 "`LWG3250 <https://wg21.link/LWG3250>`__","``std::format``\ : ``#``\  (alternate form) for NaN and inf","2020-02 (Prague)","|Complete|","14",""
 211 "`LWG3251 <https://wg21.link/LWG3251>`__","Are ``std::format``\  alignment specifiers applied to string arguments?","2020-02 (Prague)","|Complete|","14",""
 212 "`LWG3252 <https://wg21.link/LWG3252>`__","Parse locale's aware modifiers for commands are not consistent with POSIX spec","2020-02 (Prague)","","",""
 213 "`LWG3254 <https://wg21.link/LWG3254>`__","Strike ``stop_token``\ 's ``operator!=``\ ","2020-02 (Prague)","|Complete|","17",""
 214 "`LWG3255 <https://wg21.link/LWG3255>`__","``span``\ 's ``array``\  constructor is too strict","2020-02 (Prague)","|Complete|","",""
 215 "`LWG3260 <https://wg21.link/LWG3260>`__","``year_month*``\  arithmetic rejects durations convertible to years","2020-02 (Prague)","","",""
 216 "`LWG3262 <https://wg21.link/LWG3262>`__","Formatting of negative durations is not specified","2020-02 (Prague)","|Complete|","16",""
 217 "`LWG3264 <https://wg21.link/LWG3264>`__","``sized_range``\  and ``ranges::size``\  redundantly use ``disable_sized_range``\ ","2020-02 (Prague)","|Complete|","15",""
 218 "`LWG3269 <https://wg21.link/LWG3269>`__","Parse manipulators do not specify the result of the extraction from stream","2020-02 (Prague)","","",""
 219 "`LWG3270 <https://wg21.link/LWG3270>`__","Parsing and formatting ``%j``\  with ``duration``\ s","2020-02 (Prague)","|Partial|","",""
 220 "`LWG3280 <https://wg21.link/LWG3280>`__","View converting constructors can cause constraint recursion and are unneeded","2020-02 (Prague)","|Complete|","15",""
 221 "`LWG3281 <https://wg21.link/LWG3281>`__","Conversion from ``*pair-like*``\  types to ``subrange``\  is a silent semantic promotion","2020-02 (Prague)","|Complete|","13",""
 222 "`LWG3282 <https://wg21.link/LWG3282>`__","``subrange``\  converting constructor should disallow derived to base conversions","2020-02 (Prague)","|Complete|","15",""
 223 "`LWG3284 <https://wg21.link/LWG3284>`__","``random_access_iterator``\  semantic constraints accidentally promote difference type using unary negate","2020-02 (Prague)","|Nothing To Do|","",""
 224 "`LWG3285 <https://wg21.link/LWG3285>`__","The type of a customization point object shall satisfy ``semiregular``\ ","2020-02 (Prague)","|Nothing To Do|","",""
 225 "`LWG3286 <https://wg21.link/LWG3286>`__","``ranges::size``\  is not required to be valid after a call to ``ranges::begin``\  on an input range","2020-02 (Prague)","|Complete|","15",""
 226 "`LWG3291 <https://wg21.link/LWG3291>`__","``iota_view::iterator``\  has the wrong ``iterator_category``\ ","2020-02 (Prague)","|Complete|","15",""
 227 "`LWG3292 <https://wg21.link/LWG3292>`__","``iota_view``\  is under-constrained","2020-02 (Prague)","|Complete|","15",""
 228 "`LWG3294 <https://wg21.link/LWG3294>`__","``zoned_time``\  deduction guides misinterprets ``string``\ /``char*``\ ","2020-02 (Prague)","|Complete|","19",""
 229 "`LWG3296 <https://wg21.link/LWG3296>`__","Inconsistent default argument for ``basic_regex<>::assign``\ ","2020-02 (Prague)","|Complete|","",""
 230 "`LWG3299 <https://wg21.link/LWG3299>`__","Pointers don't need customized iterator behavior","2020-02 (Prague)","|Complete|","15",""
 231 "`LWG3300 <https://wg21.link/LWG3300>`__","Non-array ``ssize``\  overload is underconstrained","2020-02 (Prague)","|Nothing To Do|","",""
 232 "`LWG3301 <https://wg21.link/LWG3301>`__","``transform_view::iterator``\  has incorrect ``iterator_category``\ ","2020-02 (Prague)","|Complete|","15",""
 233 "`LWG3302 <https://wg21.link/LWG3302>`__","Range adaptor objects ``keys``\  and ``values``\  are unspecified","2020-02 (Prague)","|Complete|","16",""
 234 "`LWG3303 <https://wg21.link/LWG3303>`__","Bad ""``constexpr``\ "" marker for ``destroy/destroy_n``\ ","2020-02 (Prague)","","",""
 235 "`LWG3304 <https://wg21.link/LWG3304>`__","Allocate functions of ``std::polymorphic_allocator``\  should require ``[[nodiscard]]``\ ","2020-02 (Prague)","|Complete|","16",""
 236 "`LWG3307 <https://wg21.link/LWG3307>`__","``std::allocator<void>().allocate(n)``\ ","2020-02 (Prague)","|Complete|","20",""
 237 "`LWG3310 <https://wg21.link/LWG3310>`__","Replace ``SIZE_MAX``\  with ``numeric_limits<size_t>::max()``\ ","2020-02 (Prague)","|Complete|","16",""
 238 "`LWG3313 <https://wg21.link/LWG3313>`__","``join_view::iterator::operator--``\  is incorrectly constrained","2020-02 (Prague)","|Complete|","14",""
 239 "`LWG3314 <https://wg21.link/LWG3314>`__","Is stream insertion behavior locale dependent when ``Period::type``\  is ``micro``\ ?","2020-02 (Prague)","|Complete|","16",""
 240 "`LWG3315 <https://wg21.link/LWG3315>`__","LWG3315: Correct Allocator Default Behavior","2020-02 (Prague)","|Complete|","",""
 241 "`LWG3316 <https://wg21.link/LWG3316>`__","Correctly define epoch for ``utc_clock``\  / ``utc_timepoint``\ ","2020-02 (Prague)","","",""
 242 "`LWG3317 <https://wg21.link/LWG3317>`__","Incorrect ``operator<<``\  for floating-point durations","2020-02 (Prague)","|Complete|","16",""
 243 "`LWG3318 <https://wg21.link/LWG3318>`__","Clarify whether clocks can represent time before their epoch","2020-02 (Prague)","","",""
 244 "`LWG3319 <https://wg21.link/LWG3319>`__","Properly reference specification of IANA time zone database","2020-02 (Prague)","|Nothing To Do|","",""
 245 "`LWG3320 <https://wg21.link/LWG3320>`__","``span::cbegin/cend``\  methods produce different results than ``std::[ranges::]cbegin/cend``\ ","2020-02 (Prague)","|Complete|","",""
 246 "`LWG3321 <https://wg21.link/LWG3321>`__","``uninitialized_construct_using_allocator``\  should use ``construct_at``\ ","2020-02 (Prague)","|Complete|","16",""
 247 "`LWG3323 <https://wg21.link/LWG3323>`__","``*has-tuple-element*``\  helper concept needs ``convertible_to``\ ","2020-02 (Prague)","|Complete|","16",""
 248 "`LWG3324 <https://wg21.link/LWG3324>`__","Special-case ``std::strong/weak/partial_order``\  for pointers","2020-02 (Prague)","|Complete|","14",""
 249 "`LWG3325 <https://wg21.link/LWG3325>`__","Constrain return type of transformation function for ``transform_view``\ ","2020-02 (Prague)","|Complete|","15",""
 250 "`LWG3326 <https://wg21.link/LWG3326>`__","``enable_view``\  has false positives","2020-02 (Prague)","|Complete|","15",""
 251 "`LWG3327 <https://wg21.link/LWG3327>`__","Format alignment specifiers vs. text direction","2020-02 (Prague)","|Nothing To Do|","",""
 252 "`LWG3328 <https://wg21.link/LWG3328>`__","Clarify that ``std::string``\  is not good for UTF-8","2020-02 (Prague)","|Nothing To Do|","",""
 253 "`LWG3329 <https://wg21.link/LWG3329>`__","``totally_ordered_with``\  both directly and indirectly requires ``common_reference_with``\ ","2020-02 (Prague)","|Complete|","13",""
 254 "`LWG3330 <https://wg21.link/LWG3330>`__","Include ``<compare>``\  from most library headers","2020-02 (Prague)","|Complete|","13",""
 255 "`LWG3331 <https://wg21.link/LWG3331>`__","Define ``totally_ordered/_with``\  in terms of ``partially-ordered-with``\ ","2020-02 (Prague)","|Complete|","13",""
 256 "`LWG3332 <https://wg21.link/LWG3332>`__","Issue in |sect|\ [time.format]","2020-02 (Prague)","|Complete|","16",""
 257 "`LWG3334 <https://wg21.link/LWG3334>`__","``basic_osyncstream``\  move assignment and destruction calls ``basic_syncbuf::emit()``\  twice","2020-02 (Prague)","|Complete|","18",""
 258 "`LWG3335 <https://wg21.link/LWG3335>`__","Resolve C++20 NB comments US 273 and GB 274","2020-02 (Prague)","|Complete|","15",""
 259 "`LWG3338 <https://wg21.link/LWG3338>`__","Rename ``default_constructible``\  to ``default_initializable``\ ","2020-02 (Prague)","|Complete|","13",""
 260 "`LWG3340 <https://wg21.link/LWG3340>`__","Formatting functions should throw on argument/format string mismatch in |sect|\ [format.functions]","2020-02 (Prague)","|Complete|","14",""
 261 "`LWG3346 <https://wg21.link/LWG3346>`__","``pair``\  and ``tuple``\  copy and move constructor have backwards specification","2020-02 (Prague)","|Nothing To Do|","",""
 262 "`LWG3347 <https://wg21.link/LWG3347>`__","``std::pair<T, U>``\  now requires ``T``\  and ``U``\  to be less-than-comparable","2020-02 (Prague)","|Complete|","17",""
 263 "`LWG3348 <https://wg21.link/LWG3348>`__","``__cpp_lib_unwrap_ref``\  in wrong header","2020-02 (Prague)","|Complete|","12",""
 264 "`LWG3349 <https://wg21.link/LWG3349>`__","Missing ``__cpp_lib_constexpr_complex``\  for P0415R1","2020-02 (Prague)","|Complete|","16",""
 265 "`LWG3350 <https://wg21.link/LWG3350>`__","Simplify return type of ``lexicographical_compare_three_way``\ ","2020-02 (Prague)","|Complete|","17",""
 266 "`LWG3351 <https://wg21.link/LWG3351>`__","``ranges::enable_safe_range``\  should not be constrained","2020-02 (Prague)","|Complete|","15",""
 267 "`LWG3352 <https://wg21.link/LWG3352>`__","``strong_equality``\  isn't a thing","2020-02 (Prague)","|Complete|","19",""
 268 "`LWG3354 <https://wg21.link/LWG3354>`__","``has_strong_structural_equality``\  has a meaningless definition","2020-02 (Prague)","|Nothing To Do|","",""
 269 "`LWG3355 <https://wg21.link/LWG3355>`__","The memory algorithms should support move-only input iterators introduced by P1207","2020-02 (Prague)","|Complete|","15",""
 270 "`LWG3356 <https://wg21.link/LWG3356>`__","``__cpp_lib_nothrow_convertible``\  should be ``__cpp_lib_is_nothrow_convertible``\ ","2020-02 (Prague)","|Complete|","12",""
 271 "`LWG3358 <https://wg21.link/LWG3358>`__","|sect|\ [span.cons] is mistaken that ``to_address``\  can throw","2020-02 (Prague)","|Complete|","17",""
 272 "`LWG3359 <https://wg21.link/LWG3359>`__","``<chrono>``\  leap second support should allow for negative leap seconds","2020-02 (Prague)","|In Progress|","",""
 273 "`LWG3360 <https://wg21.link/LWG3360>`__","``three_way_comparable_with``\  is inconsistent with similar concepts","2020-02 (Prague)","|Nothing To Do|","",""
 274 "`LWG3362 <https://wg21.link/LWG3362>`__","Strike ``stop_source``\ 's ``operator!=``\ ","2020-02 (Prague)","|Complete|","17",""
 275 "`LWG3363 <https://wg21.link/LWG3363>`__","``drop_while_view``\  should opt-out of ``sized_range``\ ","2020-02 (Prague)","|Nothing To Do|","",""
 276 "`LWG3364 <https://wg21.link/LWG3364>`__","Initialize data members of ranges and their iterators","2020-02 (Prague)","|Complete|","16",""
 277 "`LWG3367 <https://wg21.link/LWG3367>`__","Integer-class conversions should not throw","2020-02 (Prague)","|Nothing To Do|","",""
 278 "`LWG3369 <https://wg21.link/LWG3369>`__","``span``\ 's deduction-guide for built-in arrays doesn't work","2020-02 (Prague)","|Complete|","14",""
 279 "`LWG3371 <https://wg21.link/LWG3371>`__","``visit_format_arg``\  and ``make_format_args``\  are not hidden friends","2020-02 (Prague)","|Complete|","14",""
 280 "`LWG3372 <https://wg21.link/LWG3372>`__","``vformat_to``\  should not try to deduce ``Out``\  twice","2020-02 (Prague)","|Complete|","14",""
 281 "`LWG3373 <https://wg21.link/LWG3373>`__","``{to,from}_chars_result``\  and ``format_to_n_result``\  need the  ""we really mean what we say"" wording","2020-02 (Prague)","|Complete|","14",""
 282 "`LWG3374 <https://wg21.link/LWG3374>`__","P0653 + P1006 should have made the other ``std::to_address``\  overload ``constexpr``\ ","2020-02 (Prague)","|Complete|","12",""
 283 "`LWG3375 <https://wg21.link/LWG3375>`__","``decay``\  in ``viewable_range``\  should be ``remove_cvref``\ ","2020-02 (Prague)","|Complete|","15",""
 284 "`LWG3377 <https://wg21.link/LWG3377>`__","``elements_view::iterator``\  befriends a specialization of itself","2020-02 (Prague)","|Nothing To Do|","",""
 285 "`LWG3379 <https://wg21.link/LWG3379>`__","""``safe``\ "" in several library names is misleading","2020-02 (Prague)","|Complete|","15",""
 286 "`LWG3380 <https://wg21.link/LWG3380>`__","``common_type``\  and comparison categories","2020-02 (Prague)","|Complete|","15",""
 287 "`LWG3381 <https://wg21.link/LWG3381>`__","``begin``\  and ``data``\  must agree for ``contiguous_range``\ ","2020-02 (Prague)","|Nothing To Do|","",""
 288 "`LWG3382 <https://wg21.link/LWG3382>`__","NTTP for ``pair``\  and ``array``\ ","2020-02 (Prague)","|Nothing To Do|","",""
 289 "`LWG3383 <https://wg21.link/LWG3383>`__","|sect|\ [time.zone.leap.nonmembers] ``sys_seconds``\  should be replaced with ``seconds``\ ","2020-02 (Prague)","|Complete|","19",""
 290 "`LWG3384 <https://wg21.link/LWG3384>`__","``transform_view::*sentinel*``\  has an incorrect ``operator-``\ ","2020-02 (Prague)","|Complete|","15",""
 291 "`LWG3385 <https://wg21.link/LWG3385>`__","``common_iterator``\  is not sufficiently constrained for non-copyable iterators","2020-02 (Prague)","|Complete|","15",""
 292 "`LWG3387 <https://wg21.link/LWG3387>`__","|sect|\ [range.reverse.view] ``reverse_view<V>``\  unintentionally requires ``range<const V>``\ ","2020-02 (Prague)","|Complete|","15",""
 293 "`LWG3388 <https://wg21.link/LWG3388>`__","``view``\  iterator types have ill-formed ``<=>``\  operators","2020-02 (Prague)","|Complete|","16",""
 294 "`LWG3389 <https://wg21.link/LWG3389>`__","A move-only iterator still does not have a ``counted_iterator``\ ","2020-02 (Prague)","|Complete|","15",""
 295 "`LWG3390 <https://wg21.link/LWG3390>`__","``make_move_iterator()``\  cannot be used to construct a ``move_iterator``\  for a move-only iterator","2020-02 (Prague)","|Complete|","14",""
 296 "`LWG3393 <https://wg21.link/LWG3393>`__","Missing/incorrect feature test macro for coroutines","2020-02 (Prague)","|Complete|","14",""
 297 "`LWG3395 <https://wg21.link/LWG3395>`__","LWG3395: Definition for three-way comparison needs to be updated (US 152)","2020-02 (Prague)","|Nothing To Do|","",""
 298 "`LWG3396 <https://wg21.link/LWG3396>`__","Clarify point of reference for ``source_location::current()``\  (DE 169)","2020-02 (Prague)","|Nothing To Do|","16",""
 299 "`LWG3397 <https://wg21.link/LWG3397>`__","``ranges::basic_istream_view::iterator``\  should not provide ``iterator_category``\ ","2020-02 (Prague)","|Complete|","16",""
 300 "`LWG3398 <https://wg21.link/LWG3398>`__","``tuple_element_t``\  is also wrong for ``const subrange``\ ","2020-02 (Prague)","|Complete|","14",""
 301 "","","","","",""
 302 "`LWG3446 <https://wg21.link/LWG3446>`__","``indirectly_readable_traits``\  ambiguity for types with both ``value_type``\  and ``element_type``\ ","2020-11 (Virtual)","|Complete|","13",""