List of issues - WG21 LWG Issues
ID Activity Section Status Title
4123 yesterday [deque.modifiers] [vector.modifiers] [inplace.vector.modifiers] new Container effects use "the assignment operator or move assignment operator"
2146 3 days ago [utility.arg.requirements] open Are reference types CopyConstructible/MoveConstructible/CopyAssignable/MoveAssignable/Destructible?
3578 3 days ago [associative.reqmts.general] new Iterator SCARYness in the context of associative container merging
3082 3 days ago [charconv.from.chars] open from_chars specification regarding floating point rounding is inconsistent
3956 5 days ago [time.parse] new chrono::parse uses from_stream as a customization point
4177 1 week ago [atomics.order] new §[atomics.order] p8 "circularly depend on their own computation" is unclear for loop
4175 1 week ago [exec.get.allocator][exec.get.stop.token][exec.get.env] [exec.get.domain][exec.get.scheduler] [exec.get.delegation.scheduler][exec.get.fwd.progress] [exec.get.compl.sched] new `get_env()` specified in terms of `as_const()` but this doesn't work with rvalue senders
4176 2 weeks ago [containers] new Refer back to container requirements when extending them
4173 2 weeks ago [containers] new Better term for "references, pointers and iterators to elements"
2991 2 weeks ago [variant.ctor] open variant copy constructor missing noexcept(see below)
3003 2 weeks ago [futures.promise] lewg <future> still has type-erased allocators in promise
3454 2 weeks ago [pointer.traits] open pointer_traits::pointer_to should be constexpr
4130 2 weeks ago [ptr.launder] open Preconditions for std::launder might be overly strict
4172 2 weeks ago [thread.lock.unique.cons] [thread.lock.shared.cons] new unique_lock self-move-assignment is broken
4019 3 weeks ago [range.reverse] open Reversing an infinite range leads to an infinite loop
4174 3 weeks ago [containers] new Refer back to container requirements when extending them
4171 1 month ago [indirectcallable.indirectinvocable] new P2609R3 breaks code that uses `views::zip` and get<T>
4168 1 month ago [obj.lifetime] new `std::start_lifetime_as` inadvertently has undefined behavior due to use of `std::bit_cast`
4167 1 month ago [alg.min.max] new Use of "smaller" and "larger" in min, max, and minmax is unclear
4166 1 month ago [range.concat.view] new `concat_view::end()` should be more constrained in order to support noncopyable iterators
4165 1 month ago [concept.swappable][utility.swap][array.members] new Should swapping a built-in array or `std::array` with itself result in UB?
4162 1 month ago [alg.nth.element] new Worst time complexity of non-parallel versions of nth_element is underspecified
4159 1 month ago [container.node][allocator.uses.trait] new Uses-allocator construction mechanisms should be opted out for node handles
2136 2 months ago [structure] open Postconditions vs. exceptions
2137 2 months ago [re.regex.assign] open Misleadingly constrained post-condition in the presence of exceptions
2546 2 months ago [re.grammar] new Implementability of locale-sensitive UnicodeEscapeSequence matching
3126 2 months ago [re.submatch] new There's no std::sub_match::compare(string_view) overload
2220 2 months ago [re.tokiter.comp] open Under-specification of operator== for regex_token_iterator
4160 2 months ago [futures.task.general] new packaged_task should reject rvalue reference return types
4158 2 months ago [futures.task.members] new packaged_task::operator= should abandon its shared state
4132 2 months ago [associative.reqmts.general][list.ops] [forward.list.ops] new Throws specifications need to include boolean-testable operations
4145 2 months ago [res.on.data.races] new Unclear how [res.on.data.races] apply to templated functions
4155 2 months ago [nullablepointer.requirements] new Cpp17NullablePointer should require that some expression can be contextually converted to bool
3210 2 months ago [util.smartptr.shared.create] new allocate_shared is inconsistent about removing const from the pointer passed to allocator construct and destroy
3891 2 months ago [expected.object.general] new LWG 3870 breaks std::expected<cv T, E>
4015 2 months ago [optional.monadic] open LWG 3973 broke const overloads of std::optional monadic operations
4161 2 months ago [complex.numbers] new Some free functions don't automatically work for program-defined std::complex<NonFloatingPoint>
4163 2 months ago [facet.num.get.virtuals] new Can the overload of std::num_get::do_get for bool call the overload for long?
3503 2 months ago [time.duration.cast] new chrono::ceil has surprising requirement
4143 2 months ago [exec.set.value][exec.set.error] [exec.set.stopped][exec.opstate.start] new execution::set_value/set_error/set_stopped/start should always return void
4151 2 months ago [inplace.vector.modifiers] new Precondition of inplace_vector::swap
4156 2 months ago [syserr.errcat.virtuals] new error_category messages have unspecified encoding
4057 2 months ago [coro.generator.iterator] new generator::iterator's operator* is not noexcept when it can be
4152 3 months ago [char.traits.require] new The primary template of std::char_traits is totally underspecified
4150 3 months ago [exec.run.loop.members] new The preconditions on run_loop::run() are too strict
4149 3 months ago [macro.names] new User defined macros without standard headers (294 redux)
4146 3 months ago [format.formatter.spec][container.adaptors.format] new §[format.formatter.spec]/3 unconditionally enables nonlocking for container adaptors
2939 3 months ago [meta.type.synop] open Some type-completeness constraints of traits are overspecified
3099 3 months ago [meta.type.synop] open is_assignable<Incomplete&, Incomplete&>
4131 3 months ago [iterator.range] new Including <optional> doesn't provide std::begin/end
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