List of issues - WG21 LWG Issues
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ID Activity Section Status Title
3279 7 days ago [iterator.concept.readable] new shared_ptr<int>& does not not satisfy readable
3283 7 days ago [iterator.traits] new Types satisfying input_iterator but not equality_comparable look like C++17 output iterators
3289 7 days ago [iterator.traits][common.iter.types] new Cannot opt out of C++17 iterator-ness without also opting out of C++20 iterator-ness
3314 7 days ago [time.duration.io] new Is stream insertion behavior locale dependent when Period::type is micro?
3301 7 days ago [range.transform.iterator] new transform_view::iterator has incorrect iterator_category
3194 7 days ago [concept.convertible] new ConvertibleTo prose does not match code
3293 1 week ago [move.iter.nonmember] new move_iterator operator+() has incorrect constraints
3305 1 week ago [any.nonmembers] new any_cast<void>
3306 1 week ago [range.iter.op.advance] new ranges::advance violates its preconditions
3308 1 week ago [deque.modifiers][vector.modifiers] new vector and deque iterator erase invalidates elements even when no change occurs
3309 1 week ago [string.streams][file.streams] new Is <ios> implicitly #included by <sstream>, <fstream> etc.?
3297 2 weeks ago [sequence.reqmts] new Useless sequence container requirement
3188 2 weeks ago [istreambuf.iterator] new istreambuf_iterator::pointer should not be unspecified
3287 1 month ago [iterator.traits] new Exposition-only cpp17-input-iterator concept is needlessly complex
3300 1 month ago [iterator.range] new Non-array ssize overload is underconstrained
3299 1 month ago [iterator.cust.move][iterator.cust.swap] new Pointers don't need customized iterator behavior
3258 1 month ago [range.access.begin][range.access.end] [range.access.rbegin][range.access.rend] new Range access and initializer_list
3261 1 month ago [re.regex][re.results] new regex components' noexcept annotations appear broken for POCMA or throwing BidirectionalIterator
3267 1 month ago [allocator.requirements] new Rebound allocators and is_always_equal
3268 1 month ago [atomics.order] new memory_order::memory_order_foo broken in C++20
3269 1 month ago [time.parse] new Parse manipulators do not specify the result of the extraction from stream
3270 1 month ago [time.format][time.parse] new Parsing and formatting %j with durations
3271 1 month ago [time.parse] new Parsing functions should save and restore stream format state
3275 1 month ago [locale.time.get.virtuals] new Why does time_get::do_get require a valid pointer when none of the others do?
3278 1 month ago [range.join.view] new join_view<V>::iterator<true> tries to write through const join_view ptr
3280 1 month ago [range.filter.view][range.transform.view][range.take.view] [range.join.view][range.split.view][range.reverse.view] new View converting constructors can cause constraint recursion and are unneeded
3298 1 month ago [range.take.while.view][range.drop.view] [range.drop.while.view] new Range adaptors introduced by P1035 do not require viewable_range
3292 1 month ago [range.iota.view] new iota_view is under-constrained
3290 1 month ago [format.string.std] new Are std::format field widths code units, code points, or something else?
3288 1 month ago [atomics.wait] new atomic<T>::notify_one is unimplementable
3260 2 months ago [time.cal] new year_month* arithmetic rejects durations convertible to years
3263 2 months ago [atomics.wait] new Atomic waiting function calls should only be unblocked once
3265 2 months ago [move.iter.cons] new move_iterator's conversions are more broken after P1207
3262 2 months ago [time.format] new Formatting of negative durations is not specified
3255 2 months ago [span.cons] new span's array constructor is too strict
3248 2 months ago [format.string.std] new std::format #b, #B, #o, #x, and #X presentation types misformat negative numbers
3251 2 months ago [format.string] new Are std::format alignment specifiers applied to string arguments?
3254 2 months ago [stoptoken] new Strike stop_token's operator!=
3243 2 months ago [format.string] new std::format and negative zeroes
3252 3 months ago [time.parse] new Parse locale's aware modifiers for commands are not consistent with POSIX spec
3250 3 months ago [format.string.std] new std::format: # (alternate form) for NaN and inf
3249 3 months ago [atomics.lockfree] new There are no 'pointers' in ยง[atomics.lockfree]
3247 3 months ago [iterator.cust.move] new ranges::iter_move should perform ADL-only lookup of iter_move
3242 3 months ago [format.string.std] new std::format: missing rules for arg-id in width and precision
3236 3 months ago [random.access.iterators] new Random access iterator requirements lack limiting relational operators domain to comparing those from the same range
3088 3 months ago [forwardlist.ops] new forward_list::merge behavior unclear when passed *this
3237 3 months ago [mem.poly.allocator.mem] new LWG 3038 and 3190 have inconsistent PRs
3238 3 months ago [func.wrap.func.con] new Insufficiently-defined behavior of std::function deduction guides
2774 3 months ago [func.wrap.func.con] new std::function construction vs assignment
3240 3 months ago [using.headers] new Headers declare more than entities
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