llvm-project/libcxx/docs/Status/Cxx17Issues.csv

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