libcxx/docs/Status/Cxx17Issues.csv

   1 "Issue #","Issue Name","Meeting","Status","First released version"
   2 "`2016 <https://wg21.link/LWG2016>`__","Allocators must be no-throw swappable","Urbana","|Complete|",""
   3 "`2118 <https://wg21.link/LWG2376>`__","``unique_ptr``\  for array does not support cv qualification conversion of actual argument","Urbana","|Complete|",""
   4 "`2170 <https://wg21.link/LWG2170>`__","Aggregates cannot be ``DefaultConstructible``\ ","Urbana","|Complete|",""
   5 "`2308 <https://wg21.link/LWG2308>`__","Clarify container destructor requirements w.r.t. ``std::array``\ ","Urbana","|Complete|",""
   6 "`2340 <https://wg21.link/LWG2340>`__","Replacement allocation functions declared as inline","Urbana","|Complete|",""
   7 "`2354 <https://wg21.link/LWG2354>`__","Unnecessary copying when inserting into maps with braced-init syntax","Urbana","|Complete|",""
   8 "`2377 <https://wg21.link/LWG2377>`__","``std::align``\  requirements overly strict","Urbana","|Complete|",""
   9 "`2396 <https://wg21.link/LWG2396>`__","``underlying_type``\  doesn't say what to do for an incomplete enumeration type","Urbana","|Complete|",""
  10 "`2399 <https://wg21.link/LWG2399>`__","``shared_ptr``\ 's constructor from ``unique_ptr``\  should be constrained","Urbana","|Complete|",""
  11 "`2400 <https://wg21.link/LWG2400>`__","``shared_ptr``\ 's ``get_deleter()``\  should use ``addressof()``\ ","Urbana","|Complete|",""
  12 "`2401 <https://wg21.link/LWG2401>`__","``std::function``\  needs more noexcept","Urbana","|Complete|",""
  13 "`2404 <https://wg21.link/LWG2404>`__","``mismatch()``\ 's complexity needs to be updated","Urbana","|Complete|",""
  14 "`2408 <https://wg21.link/LWG2408>`__","SFINAE-friendly ``common_type``\  / ``iterator_traits``\  is missing in C++14","Urbana","|Complete|",""
  15 "","","","",""
  16 "`2106 <https://wg21.link/LWG2106>`__","``move_iterator``\  wrapping iterators returning prvalues","Urbana","|Complete|",""
  17 "`2129 <https://wg21.link/LWG2129>`__","User specializations of ``std::initializer_list``\ ","Urbana","|Complete|",""
  18 "`2212 <https://wg21.link/LWG2212>`__","``tuple_size``\  for ``const pair``\  request <tuple> header","Urbana","|Complete|",""
  19 "`2217 <https://wg21.link/LWG2217>`__","``operator==(sub_match, string)``\  slices on embedded '\0's","Urbana","|Complete|",""
  20 "`2230 <https://wg21.link/LWG2230>`__","""see below"" for ``initializer_list``\  constructors of unordered containers","Urbana","|Complete|",""
  21 "`2233 <https://wg21.link/LWG2233>`__","``bad_function_call::what()``\  unhelpful","Urbana","|Complete|",""
  22 "`2266 <https://wg21.link/LWG2266>`__","``vector``\  and ``deque``\  have incorrect insert requirements","Urbana","|Complete|",""
  23 "`2325 <https://wg21.link/LWG2325>`__","``minmax_element()``\ 's behavior differing from ``max_element()``\ 's should be noted","Urbana","|Complete|",""
  24 "`2361 <https://wg21.link/LWG2361>`__","Apply 2299 resolution throughout library","Urbana","|Complete|",""
  25 "`2365 <https://wg21.link/LWG2365>`__","Missing noexcept in ``shared_ptr::shared_ptr(nullptr_t)``\ ","Urbana","|Complete|",""
  26 "`2376 <https://wg21.link/LWG2376>`__","``bad_weak_ptr::what()``\  overspecified","Urbana","|Complete|",""
  27 "`2387 <https://wg21.link/LWG2387>`__","More nested types that must be accessible and unambiguous","Urbana","|Complete|",""
  28 "","","","",""
  29 "`2059 <https://wg21.link/LWG2059>`__","C++0x ambiguity problem with map::erase","Lenexa","|Complete|",""
  30 "`2063 <https://wg21.link/LWG2063>`__","Contradictory requirements for string move assignment","Lenexa","|Complete|",""
  31 "`2076 <https://wg21.link/LWG2076>`__","Bad CopyConstructible requirement in set constructors","Lenexa","|Complete|",""
  32 "`2160 <https://wg21.link/LWG2160>`__","Unintended destruction ordering-specification of resize","Lenexa","|Complete|",""
  33 "`2168 <https://wg21.link/LWG2168>`__","Inconsistent specification of uniform_real_distribution constructor","Lenexa","|Complete|",""
  34 "`2239 <https://wg21.link/LWG2239>`__","min/max/minmax requirements","Lenexa","|Complete|",""
  35 "`2364 <https://wg21.link/LWG2364>`__","deque and vector pop_back don't specify iterator invalidation requirements","Lenexa","|Complete|",""
  36 "`2369 <https://wg21.link/LWG2369>`__","constexpr max(initializer_list) vs max_element","Lenexa","|Complete|",""
  37 "`2378 <https://wg21.link/LWG2378>`__","Behaviour of standard exception types","Lenexa","|Complete|",""
  38 "`2403 <https://wg21.link/LWG2403>`__","stof() should call strtof() and wcstof()","Lenexa","|Complete|",""
  39 "`2406 <https://wg21.link/LWG2406>`__","negative_binomial_distribution should reject p == 1","Lenexa","|Complete|",""
  40 "`2407 <https://wg21.link/LWG2407>`__","packaged_task(allocator_arg_t, const Allocator&, F&&) should neither be constrained nor explicit","Lenexa","|Complete|",""
  41 "`2411 <https://wg21.link/LWG2411>`__","shared_ptr is only contextually convertible to bool","Lenexa","|Complete|",""
  42 "`2415 <https://wg21.link/LWG2415>`__","Inconsistency between unique_ptr and shared_ptr","Lenexa","|Complete|",""
  43 "`2420 <https://wg21.link/LWG2420>`__","function<void(ArgTypes...)> does not discard the return value of the target object","Lenexa","|Complete|",""
  44 "`2425 <https://wg21.link/LWG2425>`__","``operator delete(void*, size_t)``\  doesn't invalidate pointers sufficiently","Lenexa","|Complete|",""
  45 "`2427 <https://wg21.link/LWG2427>`__","Container adaptors as sequence containers, redux","Lenexa","|Complete|",""
  46 "`2428 <https://wg21.link/LWG2428>`__","""External declaration"" used without being defined","Lenexa","|Complete|",""
  47 "`2433 <https://wg21.link/LWG2433>`__","``uninitialized_copy()``\ /etc. should tolerate overloaded operator&","Lenexa","|Complete|",""
  48 "`2434 <https://wg21.link/LWG2434>`__","``shared_ptr::use_count()``\  is efficient","Lenexa","|Complete|",""
  49 "`2437 <https://wg21.link/LWG2437>`__","``iterator_traits::reference``\  can and can't be void","Lenexa","|Complete|",""
  50 "`2438 <https://wg21.link/LWG2438>`__","``std::iterator``\  inheritance shouldn't be mandated","Lenexa","|Complete|",""
  51 "`2439 <https://wg21.link/LWG2439>`__","``unique_copy()``\  sometimes can't fall back to reading its output","Lenexa","|Complete|",""
  52 "`2440 <https://wg21.link/LWG2440>`__","``seed_seq::size()``\  should be noexcept","Lenexa","|Complete|",""
  53 "`2442 <https://wg21.link/LWG2442>`__","``call_once()``\  shouldn't DECAY_COPY()","Lenexa","|Complete|",""
  54 "`2448 <https://wg21.link/LWG2448>`__","Non-normative Container destructor specification","Lenexa","|Complete|",""
  55 "`2454 <https://wg21.link/LWG2454>`__","Add ``raw_storage_iterator::base()``\  member","Lenexa","|Complete|",""
  56 "`2455 <https://wg21.link/LWG2455>`__","Allocator default construction should be allowed to throw","Lenexa","|Complete|",""
  57 "`2458 <https://wg21.link/LWG2458>`__","N3778 and new library deallocation signatures","Lenexa","|Complete|",""
  58 "`2459 <https://wg21.link/LWG2459>`__","``std::polar``\  should require a non-negative rho","Lenexa","|Complete|",""
  59 "`2464 <https://wg21.link/LWG2464>`__","``try_emplace``\  and ``insert_or_assign``\  misspecified","Lenexa","|Complete|",""
  60 "`2467 <https://wg21.link/LWG2467>`__","``is_always_equal``\  has slightly inconsistent default","Lenexa","|Complete|",""
  61 "`2470 <https://wg21.link/LWG2470>`__","Allocator's destroy function should be allowed to fail to instantiate","Lenexa","|Complete|",""
  62 "`2482 <https://wg21.link/LWG2482>`__","[c.strings] Table 73 mentions nonexistent functions","Lenexa","|Complete|",""
  63 "`2488 <https://wg21.link/LWG2488>`__","Placeholders should be allowed and encouraged to be constexpr","Lenexa","|Complete|",""
  64 "","","","",""
  65 "`1169 <https://wg21.link/LWG1169>`__","``num_get``\  not fully compatible with ``strto*``\ ","Kona","|Complete|",""
  66 "`2072 <https://wg21.link/LWG2072>`__","Unclear wording about capacity of temporary buffers","Kona","|Complete|",""
  67 "`2101 <https://wg21.link/LWG2101>`__","Some transformation types can produce impossible types","Kona","|Complete|",""
  68 "`2111 <https://wg21.link/LWG2111>`__","Which ``unexpected``\ &#47;``terminate``\  handler is called from the exception handling runtime?","Kona","|Complete|",""
  69 "`2119 <https://wg21.link/LWG2119>`__","Missing ``hash``\  specializations for extended integer types","Kona","|Complete|",""
  70 "`2127 <https://wg21.link/LWG2127>`__","Move-construction with ``raw_storage_iterator``\ ","Kona","|Complete|",""
  71 "`2133 <https://wg21.link/LWG2133>`__","Attitude to overloaded comma for iterators","Kona","|Complete|",""
  72 "`2156 <https://wg21.link/LWG2156>`__","Unordered containers' ``reserve(n)``\  reserves for ``n-1``\  elements","Kona","|Complete|",""
  73 "`2218 <https://wg21.link/LWG2218>`__","Unclear how containers use ``allocator_traits::construct()``\ ","Kona","|Complete|",""
  74 "`2219 <https://wg21.link/LWG2219>`__","``*INVOKE*``\ -ing a pointer to member with a ``reference_wrapper``\  as the object expression","Kona","|Complete|",""
  75 "`2224 <https://wg21.link/LWG2224>`__","Ambiguous status of access to non-live objects","Kona","|Complete|",""
  76 "`2234 <https://wg21.link/LWG2234>`__","``assert()``\  should allow usage in constant expressions","Kona","|Complete|",""
  77 "`2244 <https://wg21.link/LWG2244>`__","Issue on ``basic_istream::seekg``\ ","Kona","|Complete|",""
  78 "`2250 <https://wg21.link/LWG2250>`__","Follow-up On Library Issue 2207","Kona","|Complete|",""
  79 "`2259 <https://wg21.link/LWG2259>`__","Issues in 17.6.5.5 rules for member functions","Kona","|Complete|",""
  80 "`2273 <https://wg21.link/LWG2273>`__","``regex_match``\  ambiguity","Kona","|Complete|",""
  81 "`2336 <https://wg21.link/LWG2336>`__","``is_trivially_constructible``\ /``is_trivially_assignable``\  traits are always false","Kona","|Complete|",""
  82 "`2353 <https://wg21.link/LWG2353>`__","``std::next``\  is over-constrained","Kona","|Complete|",""
  83 "`2367 <https://wg21.link/LWG2367>`__","``pair``\  and ``tuple``\  are not correctly implemented for ``is_constructible``\  with no args","Kona","|Complete|",""
  84 "`2380 <https://wg21.link/LWG2380>`__","May ``<cstdlib>``\  provide ``long ::abs(long)``\  and ``long long ::abs(long long)``\ ?","Kona","|Complete|",""
  85 "`2384 <https://wg21.link/LWG2384>`__","Allocator's ``deallocate``\  function needs better specification","Kona","|Complete|",""
  86 "`2385 <https://wg21.link/LWG2385>`__","``function::assign``\  allocator argument doesn't make sense","Kona","|Complete|",""
  87 "`2435 <https://wg21.link/LWG2435>`__","``reference_wrapper::operator()``\ 's Remark should be deleted","Kona","|Complete|",""
  88 "`2447 <https://wg21.link/LWG2447>`__","Allocators and ``volatile``\ -qualified value types","Kona","|Complete|",""
  89 "`2462 <https://wg21.link/LWG2462>`__","``std::ios_base::failure``\  is overspecified","Kona","|Complete|",""
  90 "`2466 <https://wg21.link/LWG2466>`__","``allocator_traits::max_size()``\  default behavior is incorrect","Kona","|Complete|",""
  91 "`2469 <https://wg21.link/LWG2469>`__","Wrong specification of Requires clause of ``operator[]``\  for ``map``\  and ``unordered_map``\ ","Kona","|Complete|",""
  92 "`2473 <https://wg21.link/LWG2473>`__","``basic_filebuf``\ 's relation to C ``FILE``\  semantics","Kona","|Complete|",""
  93 "`2476 <https://wg21.link/LWG2476>`__","``scoped_allocator_adaptor``\  is not assignable","Kona","|Complete|",""
  94 "`2477 <https://wg21.link/LWG2477>`__","Inconsistency of wordings in ``std::vector::erase()``\  and ``std::deque::erase()``\ ","Kona","|Complete|",""
  95 "`2483 <https://wg21.link/LWG2483>`__","``throw_with_nested()``\  should use ``is_final``\ ","Kona","|Complete|",""
  96 "`2484 <https://wg21.link/LWG2484>`__","``rethrow_if_nested()``\  is doubly unimplementable","Kona","|Complete|",""
  97 "`2485 <https://wg21.link/LWG2485>`__","``get()``\  should be overloaded for ``const tuple&&``\ ","Kona","|Complete|",""
  98 "`2486 <https://wg21.link/LWG2486>`__","``mem_fn()``\  should be required to use perfect forwarding","Kona","|Complete|",""
  99 "`2487 <https://wg21.link/LWG2487>`__","``bind()``\  should be ``const``\ -overloaded, not *cv*-overloaded","Kona","|Complete|",""
 100 "`2489 <https://wg21.link/LWG2489>`__","``mem_fn()``\  should be ``noexcept``\ ","Kona","|Complete|",""
 101 "`2492 <https://wg21.link/LWG2492>`__","Clarify requirements for ``comp``\ ","Kona","|Complete|",""
 102 "`2495 <https://wg21.link/LWG2495>`__","There is no such thing as an Exception Safety element","Kona","|Complete|",""
 103 "","","","",""
 104 "`2192 <https://wg21.link/LWG2192>`__","Validity and return type of ``std::abs(0u)``\  is unclear","Jacksonville","|Complete|",""
 105 "`2276 <https://wg21.link/LWG2276>`__","Missing requirement on ``std::promise::set_exception``\ ","Jacksonville","|Complete|",""
 106 "`2296 <https://wg21.link/LWG2296>`__","``std::addressof``\  should be ``constexpr``\ ","Jacksonville","|Complete|",""
 107 "`2450 <https://wg21.link/LWG2450>`__","``(greater|less|greater_equal|less_equal)<void>``\  do not yield a total order for pointers","Jacksonville","|Complete|",""
 108 "`2520 <https://wg21.link/LWG2520>`__","N4089 broke initializing ``unique_ptr<T[]>``\  from a ``nullptr``\ ","Jacksonville","|Complete|",""
 109 "`2522 <https://wg21.link/LWG2522>`__","[fund.ts.v2] Contradiction in ``set_default_resource``\  specification","Jacksonville","|Complete|",""
 110 "`2523 <https://wg21.link/LWG2523>`__","``std::promise``\  synopsis shows two ``set_value_at_thread_exit()``\ 's for no apparent reason","Jacksonville","|Complete|",""
 111 "`2537 <https://wg21.link/LWG2537>`__","Constructors for ``priority_queue``\  taking allocators should call ``make_heap``\ ","Jacksonville","|Complete|",""
 112 "`2539 <https://wg21.link/LWG2539>`__","[fund.ts.v2] ``invocation_trait``\  definition definition doesn't work for surrogate call functions","Jacksonville","",""
 113 "`2545 <https://wg21.link/LWG2545>`__","Simplify wording for ``bind``\  without explicitly specified return type","Jacksonville","|Complete|",""
 114 "`2557 <https://wg21.link/LWG2557>`__","Logical operator traits are broken in the zero-argument case","Jacksonville","|Complete|",""
 115 "`2558 <https://wg21.link/LWG2558>`__","[fund.ts.v2] Logical operator traits are broken in the zero-argument case","Jacksonville","|Complete|",""
 116 "`2559 <https://wg21.link/LWG2559>`__","Error in LWG 2234's resolution","Jacksonville","|Complete|",""
 117 "`2560 <https://wg21.link/LWG2560>`__","``is_constructible``\  underspecified when applied to a function type","Jacksonville","|Complete|",""
 118 "`2565 <https://wg21.link/LWG2565>`__","``std::function``\ 's move constructor should guarantee nothrow for ``reference_wrapper``\ s and function pointers","Jacksonville","|Complete|",""
 119 "`2566 <https://wg21.link/LWG2566>`__","Requirements on the first template parameter of container adaptors","Jacksonville","|Complete|",""
 120 "`2571 <https://wg21.link/LWG2571>`__","|sect|\ [map.modifiers]/2 imposes nonsensical requirement on ``insert(InputIterator, InputIterator)``\ ","Jacksonville","|Complete|",""
 121 "`2572 <https://wg21.link/LWG2572>`__","The remarks for ``shared_ptr::operator*``\  should apply to *cv*-qualified ``void``\  as well","Jacksonville","|Complete|",""
 122 "`2574 <https://wg21.link/LWG2574>`__","[fund.ts.v2] ``std::experimental::function::operator=(F&&)``\  should be constrained","Jacksonville","|Complete|",""
 123 "`2575 <https://wg21.link/LWG2575>`__","[fund.ts.v2] ``experimental::function::assign``\  should be removed","Jacksonville","",""
 124 "`2576 <https://wg21.link/LWG2576>`__","``istream_iterator``\  and ``ostream_iterator``\  should use ``std::addressof``\ ","Jacksonville","|Complete|",""
 125 "`2577 <https://wg21.link/LWG2577>`__","``{shared,unique}_lock``\  should use ``std::addressof``\ ","Jacksonville","|Complete|",""
 126 "`2579 <https://wg21.link/LWG2579>`__","Inconsistency wrt Allocators in ``basic_string``\  assignment vs. ``basic_string::assign``\ ","Jacksonville","|Complete|",""
 127 "`2581 <https://wg21.link/LWG2581>`__","Specialization of ``<type_traits>``\  variable templates should be prohibited","Jacksonville","|Complete|",""
 128 "`2582 <https://wg21.link/LWG2582>`__","|sect|\ [res.on.functions]/2's prohibition against incomplete types shouldn't apply to type traits","Jacksonville","|Complete|",""
 129 "`2583 <https://wg21.link/LWG2583>`__","There is no way to supply an allocator for ``basic_string(str, pos)``\ ","Jacksonville","|Complete|",""
 130 "`2585 <https://wg21.link/LWG2585>`__","``forward_list::resize(size_type, const value_type&)``\  effects incorrect","Jacksonville","|Complete|",""
 131 "`2586 <https://wg21.link/LWG2586>`__","Wrong value category used in ``scoped_allocator_adaptor::construct()``\ ","Jacksonville","|Complete|",""
 132 "`2590 <https://wg21.link/LWG2590>`__","Aggregate initialization for ``std::array``\ ","Jacksonville","|Complete|",""
 133 "","","","",""
 134 "`2181 <https://wg21.link/LWG2181>`__","Exceptions from seed sequence operations","Oulu","|Complete|",""
 135 "`2309 <https://wg21.link/LWG2309>`__","mutex::lock() should not throw device_or_resource_busy","Oulu","|Complete|",""
 136 "`2310 <https://wg21.link/LWG2310>`__","Public exposition only member in std::array","Oulu","|Complete|",""
 137 "`2312 <https://wg21.link/LWG2312>`__","tuple's constructor constraints need to be phrased more precisely","Oulu","|Complete|",""
 138 "`2328 <https://wg21.link/LWG2328>`__","Rvalue stream extraction should use perfect forwarding","Oulu","|Complete|",""
 139 "`2393 <https://wg21.link/LWG2393>`__","std::function's Callable definition is broken","Oulu","|Complete|",""
 140 "`2422 <https://wg21.link/LWG2422>`__","``std::numeric_limits<T>::is_modulo``\  description: ""most machines"" errata","Oulu","|Complete|",""
 141 "`2426 <https://wg21.link/LWG2426>`__","Issue about compare_exchange","Oulu","|Complete|",""
 142 "`2436 <https://wg21.link/LWG2436>`__","Comparators for associative containers should always be CopyConstructible","Oulu","|Complete|",""
 143 "`2441 <https://wg21.link/LWG2441>`__","Exact-width atomic typedefs should be provided","Oulu","|Complete|",""
 144 "`2451 <https://wg21.link/LWG2451>`__","[fund.ts.v2] optional should 'forward' T's implicit conversions","Oulu","|Nothing To Do|",""
 145 "`2509 <https://wg21.link/LWG2509>`__","[fund.ts.v2] any_cast doesn't work with rvalue reference targets and cannot move with a value target","Oulu","|Complete|",""
 146 "`2516 <https://wg21.link/LWG2516>`__","[fund.ts.v2] Public ""exposition only"" members in observer_ptr","Oulu","",""
 147 "`2542 <https://wg21.link/LWG2542>`__","Missing const requirements for associative containers","Oulu","",""
 148 "`2549 <https://wg21.link/LWG2549>`__","Tuple EXPLICIT constructor templates that take tuple parameters end up taking references to temporaries and will create dangling references","Oulu","|Complete|",""
 149 "`2550 <https://wg21.link/LWG2550>`__","Wording of unordered container's clear() method complexity","Oulu","|Complete|",""
 150 "`2551 <https://wg21.link/LWG2551>`__","[fund.ts.v2] ""Exception safety"" cleanup in library fundamentals required","Oulu","|Complete|",""
 151 "`2555 <https://wg21.link/LWG2555>`__","[fund.ts.v2] No handling for over-aligned types in optional","Oulu","|Complete|",""
 152 "`2573 <https://wg21.link/LWG2573>`__","[fund.ts.v2] std::hash<std::experimental::shared_ptr> does not work for arrays","Oulu","",""
 153 "`2596 <https://wg21.link/LWG2596>`__","vector::data() should use addressof","Oulu","|Complete|",""
 154 "`2667 <https://wg21.link/LWG2667>`__","path::root_directory() description is confusing","Oulu","|Complete|",""
 155 "`2669 <https://wg21.link/LWG2669>`__","recursive_directory_iterator effects refers to non-existent functions","Oulu","|Complete|",""
 156 "`2670 <https://wg21.link/LWG2670>`__","system_complete refers to undefined variable 'base'","Oulu","|Complete|",""
 157 "`2671 <https://wg21.link/LWG2671>`__","Errors in Copy","Oulu","|Complete|",""
 158 "`2673 <https://wg21.link/LWG2673>`__","status() effects cannot be implemented as specified","Oulu","|Complete|",""
 159 "`2674 <https://wg21.link/LWG2674>`__","Bidirectional iterator requirement on path::iterator is very expensive","Oulu","|Complete|",""
 160 "`2683 <https://wg21.link/LWG2683>`__","filesystem::copy() says ""no effects""","Oulu","|Complete|",""
 161 "`2684 <https://wg21.link/LWG2684>`__","priority_queue lacking comparator typedef","Oulu","|Complete|",""
 162 "`2685 <https://wg21.link/LWG2685>`__","shared_ptr deleters must not throw on move construction","Oulu","|Complete|",""
 163 "`2687 <https://wg21.link/LWG2687>`__","{inclusive,exclusive}_scan misspecified","Oulu","",""
 164 "`2688 <https://wg21.link/LWG2688>`__","clamp misses preconditions and has extraneous condition on result","Oulu","|Complete|",""
 165 "`2689 <https://wg21.link/LWG2689>`__","Parallel versions of std::copy and std::move shouldn't be in order","Oulu","|Nothing to do|",""
 166 "`2698 <https://wg21.link/LWG2698>`__","Effect of assign() on iterators/pointers/references","Oulu","|Complete|",""
 167 "`2704 <https://wg21.link/LWG2704>`__","recursive_directory_iterator's members should require '``*this`` is dereferenceable'","Oulu","|Complete|",""
 168 "`2706 <https://wg21.link/LWG2706>`__","Error reporting for recursive_directory_iterator::pop() is under-specified","Oulu","|Complete|",""
 169 "`2707 <https://wg21.link/LWG2707>`__","path construction and assignment should have ""string_type&&"" overloads","Oulu","|Complete|",""
 170 "`2709 <https://wg21.link/LWG2709>`__","offsetof is unnecessarily imprecise","Oulu","",""
 171 "`2710 <https://wg21.link/LWG2710>`__","""Effects: Equivalent to ..."" doesn't count ""Synchronization:"" as determined semantics","Oulu","|Complete|",""
 172 "`2711 <https://wg21.link/LWG2711>`__","path is convertible from approximately everything under the sun","Oulu","|Complete|",""
 173 "`2716 <https://wg21.link/LWG2716>`__","Specification of shuffle and sample disallows lvalue URNGs","Oulu","|Complete|",""
 174 "`2718 <https://wg21.link/LWG2718>`__","Parallelism bug in [algorithms.parallel.exec] p2","Oulu","",""
 175 "`2719 <https://wg21.link/LWG2719>`__","permissions function should not be noexcept due to narrow contract","Oulu","|Complete|",""
 176 "`2720 <https://wg21.link/LWG2720>`__","permissions function incorrectly specified for symlinks","Oulu","|Complete|",""
 177 "`2721 <https://wg21.link/LWG2721>`__","remove_all has incorrect post conditions","Oulu","|Complete|",""
 178 "`2723 <https://wg21.link/LWG2723>`__","Do directory_iterator and recursive_directory_iterator become the end iterator upon error?","Oulu","|Complete|",""
 179 "`2724 <https://wg21.link/LWG2724>`__","The protected virtual member functions of memory_resource should be private","Oulu","|Complete|","16.0"
 180 "`2725 <https://wg21.link/LWG2725>`__","filesystem::exists(const path&, error_code&) error reporting","Oulu","|Complete|",""
 181 "`2726 <https://wg21.link/LWG2726>`__","``[recursive_]directory_iterator::increment(error_code&)`` is underspecified","Oulu","|Complete|",""
 182 "`2727 <https://wg21.link/LWG2727>`__","Parallel algorithms with constexpr specifier","Oulu","",""
 183 "`2728 <https://wg21.link/LWG2728>`__","status(p).permissions() and symlink_status(p).permissions() are not specified","Oulu","|Complete|",""
 184 "","","","",""
 185 "`2062 <https://wg21.link/LWG2062>`__","Effect contradictions w/o no-throw guarantee of std::function swaps","Issaquah","|Complete|",""
 186 "`2166 <https://wg21.link/LWG2166>`__","Heap property underspecified?","Issaquah","",""
 187 "`2221 <https://wg21.link/LWG2221>`__","No formatted output operator for nullptr","Issaquah","|Complete|",""
 188 "`2223 <https://wg21.link/LWG2223>`__","shrink_to_fit effect on iterator validity","Issaquah","|Complete|",""
 189 "`2261 <https://wg21.link/LWG2261>`__","Are containers required to use their 'pointer' type internally?","Issaquah","",""
 190 "`2394 <https://wg21.link/LWG2394>`__","locale::name specification unclear - what is implementation-defined?","Issaquah","|Complete|",""
 191 "`2460 <https://wg21.link/LWG2460>`__","LWG issue 2408 and value categories","Issaquah","|Complete|",""
 192 "`2468 <https://wg21.link/LWG2468>`__","Self-move-assignment of library types","Issaquah","",""
 193 "`2475 <https://wg21.link/LWG2475>`__","Allow overwriting of std::basic_string terminator with charT() to allow cleaner interoperation with legacy APIs","Issaquah","|Complete|",""
 194 "`2503 <https://wg21.link/LWG2503>`__","multiline option should be added to syntax_option_type","Issaquah","|Complete|",""
 195 "`2510 <https://wg21.link/LWG2510>`__","Tag types should not be DefaultConstructible","Issaquah","|Complete|",""
 196 "`2514 <https://wg21.link/LWG2514>`__","Type traits must not be final","Issaquah","|Complete|",""
 197 "`2518 <https://wg21.link/LWG2518>`__","[fund.ts.v2] Non-member swap for propagate_const should call member swap","Issaquah","|Complete|",""
 198 "`2519 <https://wg21.link/LWG2519>`__","Iterator operator-= has gratuitous undefined behaviour","Issaquah","|Complete|",""
 199 "`2521 <https://wg21.link/LWG2521>`__","[fund.ts.v2] weak_ptr's converting move constructor should be modified as well for array support","Issaquah","",""
 200 "`2525 <https://wg21.link/LWG2525>`__","[fund.ts.v2] get_memory_resource should be const and noexcept","Issaquah","",""
 201 "`2527 <https://wg21.link/LWG2527>`__","[fund.ts.v2] ALLOCATOR_OF for function::operator= has incorrect default","Issaquah","",""
 202 "`2531 <https://wg21.link/LWG2531>`__","future::get should explicitly state that the shared state is released","Issaquah","|Nothing To Do|",""
 203 "`2534 <https://wg21.link/LWG2534>`__","Constrain rvalue stream operators","Issaquah","|Complete|",""
 204 "`2536 <https://wg21.link/LWG2536>`__","What should <complex.h> do?","Issaquah","|Complete|",""
 205 "`2540 <https://wg21.link/LWG2540>`__","unordered_multimap::insert hint iterator","Issaquah","|Complete|",""
 206 "`2543 <https://wg21.link/LWG2543>`__","LWG 2148 (hash support for enum types) seems under-specified","Issaquah","|Complete|",""
 207 "`2544 <https://wg21.link/LWG2544>`__","``istreambuf_iterator(basic_streambuf<charT, traits>* s)``\  effects unclear when s is 0","Issaquah","|Complete|",""
 208 "`2556 <https://wg21.link/LWG2556>`__","Wide contract for future::share()","Issaquah","|Complete|",""
 209 "`2562 <https://wg21.link/LWG2562>`__","Consistent total ordering of pointers by comparison functors","Issaquah","",""
 210 "`2567 <https://wg21.link/LWG2567>`__","Specification of logical operator traits uses BaseCharacteristic, which is defined only for UnaryTypeTraits and BinaryTypeTraits","Issaquah","|Complete|",""
 211 "`2568 <https://wg21.link/LWG2568>`__","[fund.ts.v2] Specification of logical operator traits uses BaseCharacteristic, which is defined only for UnaryTypeTraits and BinaryTypeTraits","Issaquah","|Complete|","15.0"
 212 "`2569 <https://wg21.link/LWG2569>`__","conjunction and disjunction requirements are too strict","Issaquah","|Complete|","15.0"
 213 "`2570 <https://wg21.link/LWG2570>`__","[fund.ts.v2] conjunction and disjunction requirements are too strict","Issaquah","",""
 214 "`2578 <https://wg21.link/LWG2578>`__","Iterator requirements should reference iterator traits","Issaquah","|Complete|",""
 215 "`2584 <https://wg21.link/LWG2584>`__","<regex> ECMAScript IdentityEscape is ambiguous","Issaquah","",""
 216 "`2587 <https://wg21.link/LWG2587>`__","""Convertible to bool"" requirement in conjunction and disjunction","Issaquah","Resolved by `LWG2567 <https://wg21.link/LWG2567>`__",""
 217 "`2588 <https://wg21.link/LWG2588>`__","[fund.ts.v2] ""Convertible to bool"" requirement in conjunction and disjunction","Issaquah","Resolved by `LWG2568 <https://wg21.link/LWG2568>`__",""
 218 "`2589 <https://wg21.link/LWG2589>`__","match_results can't satisfy the requirements of a container","Issaquah","|Complete|",""
 219 "`2591 <https://wg21.link/LWG2591>`__","std::function's member template target() should not lead to undefined behaviour","Issaquah","|Complete|",""
 220 "`2598 <https://wg21.link/LWG2598>`__","addressof works on temporaries","Issaquah","|Complete|",""
 221 "`2664 <https://wg21.link/LWG2664>`__","operator/ (and other append) semantics not useful if argument has root","Issaquah","|Complete|",""
 222 "`2665 <https://wg21.link/LWG2665>`__","remove_filename() post condition is incorrect","Issaquah","|Complete|",""
 223 "`2672 <https://wg21.link/LWG2672>`__","Should ``is_empty``\  use error_code in its specification?","Issaquah","|Complete|",""
 224 "`2678 <https://wg21.link/LWG2678>`__","std::filesystem enum classes overspecified","Issaquah","|Complete|",""
 225 "`2679 <https://wg21.link/LWG2679>`__","Inconsistent Use of Effects and Equivalent To","Issaquah","|Complete|",""
 226 "`2680 <https://wg21.link/LWG2680>`__","Add ""Equivalent to"" to filesystem","Issaquah","|Complete|",""
 227 "`2681 <https://wg21.link/LWG2681>`__","filesystem::copy() cannot copy symlinks","Issaquah","|Complete|",""
 228 "`2682 <https://wg21.link/LWG2682>`__","filesystem::copy() won't create a symlink to a directory","Issaquah","|Complete|",""
 229 "`2686 <https://wg21.link/LWG2686>`__","Why is std::hash specialized for error_code, but not error_condition?","Issaquah","|Complete|",""
 230 "`2694 <https://wg21.link/LWG2694>`__","Application of LWG 436 accidentally deleted definition of ""facet""","Issaquah","|Complete|",""
 231 "`2696 <https://wg21.link/LWG2696>`__","Interaction between make_shared and enable_shared_from_this is underspecified","Issaquah","|Nothing To Do|",""
 232 "`2699 <https://wg21.link/LWG2699>`__","Missing restriction in [numeric.requirements]","Issaquah","|Complete|",""
 233 "`2712 <https://wg21.link/LWG2712>`__","copy_file(from, to, ...) has a number of unspecified error conditions","Issaquah","|Complete|",""
 234 "`2722 <https://wg21.link/LWG2722>`__","equivalent incorrectly specifies throws clause","Issaquah","|Complete|",""
 235 "`2729 <https://wg21.link/LWG2729>`__","Missing SFINAE on std::pair::operator=","Issaquah","|Complete|",""
 236 "`2732 <https://wg21.link/LWG2732>`__","Questionable specification of path::operator/= and path::append","Issaquah","|Complete|",""
 237 "`2733 <https://wg21.link/LWG2733>`__","[fund.ts.v2] gcd / lcm and bool","Issaquah","|Complete|",""
 238 "`2735 <https://wg21.link/LWG2735>`__","std::abs(short), std::abs(signed char) and others should return int instead of double in order to be compatible with C++98 and C","Issaquah","|Complete|",""
 239 "`2736 <https://wg21.link/LWG2736>`__","nullopt_t insufficiently constrained","Issaquah","|Complete|",""
 240 "`2738 <https://wg21.link/LWG2738>`__","``is_constructible``\  with void types","Issaquah","|Complete|",""
 241 "`2739 <https://wg21.link/LWG2739>`__","Issue with time_point non-member subtraction with an unsigned duration","Issaquah","|Complete|",""
 242 "`2740 <https://wg21.link/LWG2740>`__","constexpr optional<T>::operator->","Issaquah","|Complete|",""
 243 "`2742 <https://wg21.link/LWG2742>`__","Inconsistent string interface taking string_view","Issaquah","|Complete|",""
 244 "`2744 <https://wg21.link/LWG2744>`__","any's in_place constructors","Issaquah","|Complete|",""
 245 "`2745 <https://wg21.link/LWG2745>`__","[fund.ts.v2] Implementability of LWG 2451","Issaquah","|Complete|",""
 246 "`2747 <https://wg21.link/LWG2747>`__","Possibly redundant std::move in [alg.foreach]","Issaquah","|Complete|",""
 247 "`2748 <https://wg21.link/LWG2748>`__","swappable traits for optionals","Issaquah","|Complete|",""
 248 "`2749 <https://wg21.link/LWG2749>`__","swappable traits for variants","Issaquah","|Complete|",""
 249 "`2750 <https://wg21.link/LWG2750>`__","[fund.ts.v2] LWG 2451 conversion constructor constraint","Issaquah","|Nothing To Do|",""
 250 "`2752 <https://wg21.link/LWG2752>`__","""Throws:"" clauses of async and packaged_task are unimplementable","Issaquah","|Nothing To Do|",""
 251 "`2755 <https://wg21.link/LWG2755>`__","[string.view.io] uses non-existent basic_string_view::to_string function","Issaquah","|Complete|",""
 252 "`2756 <https://wg21.link/LWG2756>`__","C++ WP optional<T> should 'forward' T's implicit conversions","Issaquah","|Complete|",""
 253 "`2758 <https://wg21.link/LWG2758>`__","std::string{}.assign(""ABCDE"", 0, 1) is ambiguous","Issaquah","|Complete|",""
 254 "`2759 <https://wg21.link/LWG2759>`__","gcd / lcm and bool for the WP","Issaquah","|Complete|",""
 255 "`2760 <https://wg21.link/LWG2760>`__","non-const basic_string::data should not invalidate iterators","Issaquah","|Complete|",""
 256 "`2765 <https://wg21.link/LWG2765>`__","Did LWG 1123 go too far?","Issaquah","|Complete|",""
 257 "`2767 <https://wg21.link/LWG2767>`__","not_fn call_wrapper can form invalid types","Issaquah","|Complete|",""
 258 "`2769 <https://wg21.link/LWG2769>`__","Redundant const in the return type of any_cast(const any&)","Issaquah","|Complete|",""
 259 "`2771 <https://wg21.link/LWG2771>`__","Broken Effects of some basic_string::compare functions in terms of basic_string_view","Issaquah","|Complete|",""
 260 "`2773 <https://wg21.link/LWG2773>`__","Making std::ignore constexpr","Issaquah","|Complete|",""
 261 "`2777 <https://wg21.link/LWG2777>`__","basic_string_view::copy should use char_traits::copy","Issaquah","|Complete|",""
 262 "`2778 <https://wg21.link/LWG2778>`__","basic_string_view is missing constexpr","Issaquah","|Complete|",""
 263 "","","","",""
 264 "`2260 <https://wg21.link/LWG2260>`__","Missing requirement for Allocator::pointer","Kona","|Complete|",""
 265 "`2676 <https://wg21.link/LWG2676>`__","Provide filesystem::path overloads for File-based streams","Kona","|Complete|",""
 266 "`2768 <https://wg21.link/LWG2768>`__","any_cast and move semantics","Kona","|Complete|",""
 267 "`2769 <https://wg21.link/LWG2769>`__","Redundant const in the return type of any_cast(const any&)","Kona","|Complete|",""
 268 "`2781 <https://wg21.link/LWG2781>`__","Contradictory requirements for std::function and std::reference_wrapper","Kona","|Complete|",""
 269 "`2782 <https://wg21.link/LWG2782>`__","scoped_allocator_adaptor constructors must be constrained","Kona","|Complete|",""
 270 "`2784 <https://wg21.link/LWG2784>`__","Resolution to LWG 2484 is missing ""otherwise, no effects"" and is hard to parse","Kona","|Complete|",""
 271 "`2785 <https://wg21.link/LWG2785>`__","quoted should work with basic_string_view","Kona","|Complete|",""
 272 "`2786 <https://wg21.link/LWG2786>`__","Annex C should mention shared_ptr changes for array support","Kona","|Complete|",""
 273 "`2787 <https://wg21.link/LWG2787>`__","|sect|\ [file_status.cons] doesn't match class definition","Kona","|Complete|",""
 274 "`2788 <https://wg21.link/LWG2788>`__","basic_string range mutators unintentionally require a default constructible allocator","Kona","|Complete|",""
 275 "`2789 <https://wg21.link/LWG2789>`__","Equivalence of contained objects","Kona","|Complete|",""
 276 "`2790 <https://wg21.link/LWG2790>`__","Missing specification of istreambuf_iterator::operator->","Kona","|Complete|",""
 277 "`2794 <https://wg21.link/LWG2794>`__","Missing requirements for allocator pointers","Kona","|Nothing To Do|",""
 278 "`2795 <https://wg21.link/LWG2795>`__","|sect|\ [global.functions] provides incorrect example of ADL use","Kona","|Complete|",""
 279 "`2796 <https://wg21.link/LWG2796>`__","tuple should be a literal type","Kona","|Complete|",""
 280 "`2801 <https://wg21.link/LWG2801>`__","Default-constructibility of unique_ptr","Kona","|Complete|",""
 281 "`2802 <https://wg21.link/LWG2802>`__","shared_ptr constructor requirements for a deleter","Kona","|Complete|",""
 282 "`2804 <https://wg21.link/LWG2804>`__","Unconditional constexpr default constructor for istream_iterator","Kona","|Complete|",""
 283 "`2806 <https://wg21.link/LWG2806>`__","Base class of bad_optional_access","Kona","|Complete|",""
 284 "`2807 <https://wg21.link/LWG2807>`__","std::invoke should use ``std::is_nothrow_callable``\ ","Kona","|Complete|",""
 285 "`2812 <https://wg21.link/LWG2812>`__","Range access is available with <string_view>","Kona","|Complete|",""
 286 "`2824 <https://wg21.link/LWG2824>`__","list::sort should say that the order of elements is unspecified if an exception is thrown","Kona","|Complete|",""
 287 "`2826 <https://wg21.link/LWG2826>`__","string_view iterators use old wording","Kona","|Complete|",""
 288 "`2834 <https://wg21.link/LWG2834>`__","Resolution LWG 2223 is missing wording about end iterators","Kona","|Complete|",""
 289 "`2835 <https://wg21.link/LWG2835>`__","LWG 2536 seems to misspecify <tgmath.h>","Kona","|Complete|",""
 290 "`2837 <https://wg21.link/LWG2837>`__","gcd and lcm should support a wider range of input values","Kona","|Complete|",""
 291 "`2838 <https://wg21.link/LWG2838>`__","is_literal_type specification needs a little cleanup","Kona","|Complete|",""
 292 "`2842 <https://wg21.link/LWG2842>`__","in_place_t check for optional::optional(U&&) should decay U","Kona","|Complete|",""
 293 "`2850 <https://wg21.link/LWG2850>`__","std::function move constructor does unnecessary work","Kona","|Complete|",""
 294 "`2853 <https://wg21.link/LWG2853>`__","Possible inconsistency in specification of erase in [vector.modifiers]","Kona","|Complete|",""
 295 "`2855 <https://wg21.link/LWG2855>`__","std::throw_with_nested(""string_literal"")","Kona","|Complete|",""
 296 "`2857 <https://wg21.link/LWG2857>`__","{variant,optional,any}::emplace should return the constructed value","Kona","|Complete|",""
 297 "`2861 <https://wg21.link/LWG2861>`__","basic_string should require that charT match traits::char_type","Kona","|Complete|",""
 298 "`2866 <https://wg21.link/LWG2866>`__","Incorrect derived classes constraints","Kona","|Nothing To Do|",""
 299 "`2868 <https://wg21.link/LWG2868>`__","Missing specification of bad_any_cast::what()","Kona","|Complete|",""
 300 "`2872 <https://wg21.link/LWG2872>`__","Add definition for direct-non-list-initialization","Kona","|Complete|",""
 301 "`2873 <https://wg21.link/LWG2873>`__","Add noexcept to several shared_ptr related functions","Kona","|Complete|",""
 302 "`2874 <https://wg21.link/LWG2874>`__","Constructor ``shared_ptr::shared_ptr(Y*)``\  should be constrained","Kona","|Complete|","13.0"
 303 "`2875 <https://wg21.link/LWG2875>`__","shared_ptr::shared_ptr(Y\*, D, [|hellip|\ ]) constructors should be constrained","Kona","|Complete|",""
 304 "`2876 <https://wg21.link/LWG2876>`__","``shared_ptr::shared_ptr(const weak_ptr<Y>&)``\  constructor should be constrained","Kona","|Complete|","14.0"
 305 "`2878 <https://wg21.link/LWG2878>`__","Missing DefaultConstructible requirement for istream_iterator default constructor","Kona","|Complete|",""
 306 "`2890 <https://wg21.link/LWG2890>`__","The definition of 'object state' applies only to class types","Kona","|Complete|",""
 307 "`2900 <https://wg21.link/LWG2900>`__","The copy and move constructors of optional are not constexpr","Kona","|Complete|",""
 308 "`2903 <https://wg21.link/LWG2903>`__","The form of initialization for the emplace-constructors is not specified","Kona","|Complete|",""
 309 "`2904 <https://wg21.link/LWG2904>`__","Make variant move-assignment more exception safe","Kona","|Complete|",""
 310 "`2905 <https://wg21.link/LWG2905>`__","is_constructible_v<unique_ptr<P, D>, P, D const &> should be false when D is not copy constructible","Kona","|Complete|",""
 311 "`2908 <https://wg21.link/LWG2908>`__","The less-than operator for shared pointers could do more","Kona","|Complete|",""
 312 "`2911 <https://wg21.link/LWG2911>`__","An is_aggregate type trait is needed","Kona","|Complete|",""
 313 "`2921 <https://wg21.link/LWG2921>`__","packaged_task and type-erased allocators","Kona","|Complete|",""
 314 "`2934 <https://wg21.link/LWG2934>`__","optional<const T> doesn't compare with T","Kona","|Complete|",""
 315 "","","","",""
 316 "`2901 <https://wg21.link/LWG2901>`__","Variants cannot properly support allocators","Toronto","|Complete|",""
 317 "`2955 <https://wg21.link/LWG2955>`__","``to_chars / from_chars``\  depend on ``std::string``\ ","Toronto","Resolved by `P0682R1 <https://wg21.link/P0682R1>`__",""
 318 "`2956 <https://wg21.link/LWG2956>`__","``filesystem::canonical()``\  still defined in terms of ``absolute(p, base)``\ ","Toronto","|Complete|",""