List of issues - WG21 LWG Issues
ID Activity Section Status Title
3619 4 days ago [format.functions] new Specification of vformat_to contains ill-formed formatted_size calls
3617 4 days ago [func.wrap.func.con][futures.task.members] new function/packaged_task deduction guides and deducing this
3618 4 days ago [range.transform.iterator] new Unnecessary iter_move for transform_view::iterator
3620 4 days ago [character.seq.general] new What are execution character sets and execution wide-character sets (after P2314R4)?
3597 7 days ago [range.iota.view] new Unsigned integer types don't model advanceable
3599 7 days ago [range.lazy.split.view] new The const overload of lazy_split_view::begin should be constrained by const Pattern
3600 7 days ago [istream.iterator.cons] new Making istream_iterator copy constructor trivial is an ABI break
3602 7 days ago [reverse.iter.cons][move.iter.cons] new reverse_iterator's converting assignment is overconstrained
3603 7 days ago [re.regex.construct][re.alg] new Matching of null characters by regular expressions is underspecified
3604 7 days ago [re.regex.construct][re.synopt] new What is the effect of an invalid value of type syntax_option_type?
3605 7 days ago [re.matchflag] new regex_constants::match_prev_avail is underspecified
3606 7 days ago [re.req] new Missing regex_traits::locale_type requirements
3608 7 days ago [concept.convertible] new convertible_to and temporary-bound references
3609 7 days ago [range.iota.sentinel] new std::ranges::iota_view<int, long> has non-subtractable iterator and sentinel types
3613 7 days ago [optional.nullopt] new Specify that nullopt_t is copyable
3614 7 days ago [range.iota.view] new iota_view::size and the most negative signed integer values
3598 7 days ago [syserr.errcat.objects] ready system_category().default_error_condition(0) is underspecified
3601 7 days ago [common.iter.nav] ready common_iterator's postfix-proxy needs indirectly_readable
3607 7 days ago [iterator.concept.contiguous] ready contiguous_iterator should not be allowed to have custom iter_move and iter_swap behavior
3610 7 days ago [range.iota.view] ready iota_view::size sometimes rejects integer-class types
3611 7 days ago [atomics.types.operations] open Should compare_exchange be allowed to modify the expected value on success?
3612 7 days ago [format.string.std] ready Inconsistent pointer alignment in std::format
3616 7 days ago [syncstream.syncbuf.special] ready LWG 3498 seems to miss the non-member swap for basic_syncbuf
3341 2 weeks ago [re.regex.construct] new basic_regex range constructor: Missing requirements for iterator types
3615 2 weeks ago [incrementable.traits] new The last specialization of incrementable_traits has wrong operand types
3582 2 weeks ago [futures.async] new Unclear where std::async exceptions are handled
3594 3 weeks ago [inout.ptr.t] new inout_ptr — inconsistent release() in destructor
3584 1 month ago [cmp.common] new Clarify common comparison category conversions
3583 1 month ago [tuple.cnstr] new Clarify if/when short circuiting applies to conditions in Constraints: elements
3586 1 month ago [format.string.std] new Formatting character alignment inconsistencies
3587 1 month ago [cmp.concept] new std::three_way_comparable_with<T, U, void> can be satisfied but can't be modeled
3489 1 month ago [range.istream.iterator] new Improve istream_view wording
3576 1 month ago [format.string.std] open Clarifying fill character in std::format
3569 1 month ago [range.join.iterator] new join_view fails to support ranges of ranges with non-default_initializable iterators
3493 2 months ago [func.wrap.func.con] new The constructor of std::function taking an F is missing a constraint
3577 2 months ago [associative.reqmts.general][unord.req.general] new Merging an (unordered) associative container with itself
3578 2 months ago [associative.reqmts.general] new Iterator SCARYness in the context of associative container merging
3579 2 months ago [string.capacity][deque.capacity][list.capacity] [vector.capacity][forward.list.modifiers][valarray.members] [string.append][fs.path.append] lewg Complexity guarantees for resize() and append() functions across the library
2414 2 months ago [reentrancy] open Member function reentrancy should be implementation-defined
2214 2 months ago [basic.ios.cons] open Clarify basic_ios::init call restrictions
2114 3 months ago [nullablepointer.requirements][input.iterators][random.access.iterators] [algorithms.general][alg.sorting][thread.req.paramname] open Incorrect "contextually convertible to bool" requirements
2136 4 months ago [structure] open Postconditions vs. exceptions
3564 4 months ago [range.transform.iterator] open transform_view::iterator<true>::value_type and iterator_category should use const F&
3565 4 months ago [time.format] open Handling of encodings in localized formatting of chrono types is underspecified
2595 4 months ago [reverse.iterator][reverse.iter.elem] new reverse_iterator::operator[]'s return type revisited
3556 4 months ago [structure.requirements] new Specification of when semantic constraints are imposed by use of concepts is unclear
3088 5 months ago [forwardlist.ops] new forward_list::merge behavior unclear when passed *this
3471 5 months ago [mem.res] new polymorphic_allocator::allocate does not satisfy Cpp17Allocator requirements
3550 5 months ago [reserved.names] new Names reserved by C for standard library not reserved by C++
3547 5 months ago [time.format] new Time formatters should not be locale sensitive by default
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