List of issues - WG21 LWG Issues
ID Activity Section Status Title
3933 3 days ago [complex] new P1467R9 accidentally changed the signatures of certain constructors of std::complex
3898 3 days ago [thread.barrier.class] ready Possibly unintended preconditions for completion functions of std::barrier
3985 3 days ago [range.utility.conv.to][range.utility.conv.adaptors] ready ranges::to should Mandates C not to be view
3991 3 days ago [variant.assign] ready variant's move assignment should not be guaranteed to produce a valueless by exception state
4591 3 days ago [meta.reflection.scope] ready `std::meta::current_function` should probably work in a local class
4614 3 days ago [numeric.ops.midpoint] ready §[numeric.ops.midpoint] No handling of non-finite floats
4159 4 days ago [container.node][allocator.uses.trait] ready Uses-allocator construction mechanisms should be opted out for node handles
4580 4 days ago [meta.reflection.queries] new `is_enumerable_type`: Definition of "enumerable type" looks strange
4581 4 days ago [meta.reflection.queries] new `constant_of(^^v)` for variable `v` of reference to array/function type produces reflection of pointer constant
4582 4 days ago [linalg.transp.layout.transpose] [mdspan.layout.policy.reqmts] new Specializations of `layout_transpose` do not meet the layout mapping policy requirements
4584 4 days ago [hive.operations] new `std::hive::sort` should add Cpp17MoveConstructible to its preconditions on `T`
4585 4 days ago [meta.reflection.layout] new Applying `std::meta::alignment_of` to a not-yet-defined variable
4590 4 days ago [facet.num.get.virtuals] new Unclear how `num_get` extracts `void*` values
4592 4 days ago [locale.codecvt.virtuals] ready Preconditions of some virtual functions `std::codecvt` on character ranges are in a possibly unintended form
4593 4 days ago [numeric.sat.cast] ready The first template argument of `std::saturating_cast` must be specifiable
4594 4 days ago [meta.reflection.define.aggregate] new `data_member_spec` should throw on anonymous union types
4596 4 days ago [support.signal] new Gratuitous UB via manifestly constant-evaluated contexts in signal handlers
4597 4 days ago [range.join.view] [range.join.with.view] new Unnecessary constraint for join_view/join_with_view to be common_range
4598 4 days ago [res.on.exception.handling] ready §[res.on.exception.handling] should cover exceptions specified outside a Throws: paragraph
4599 4 days ago [stdatomic.h.syn] new Pointless std-atomic alias template
4600 4 days ago [hive.operations] new Remove precondition on `hive::get_iterator()`, introduce Returns value when pointer is not within `*this`
4604 4 days ago [atomics.wait] open Remove volatile atomic wait/notify functions
4605 4 days ago [version.syn] ready Feature test macro for `error_code` formatting
4607 4 days ago [numeric.limits.members] open Meaning of numeric_limits<T>::is_exact is unclear
4608 4 days ago [thread.thread.this] open `sleep_for` is not an observable behavior
4609 4 days ago [thread.thread.class.general] new Deduction guide for `std::thread::name_hint` from `std::basic_string` should ignore the allocator type
4615 4 days ago [range.stride.iterator] new `stride_view` iterator operations are missing preconditions
4616 4 days ago [meta.reflection.extract] core §[meta.reflection.extract] has a circular requirement when extracting a variable during its own initialization
4619 1 week ago [cmath.syn][atomics.types.float] new Freestanding atomic floating-point minimum/maximum is poorly specified
4618 2 weeks ago [rand.req.eng][rand.req.dist] new Unclear effects in insertion and extraction of random number engines and random number distributions
3628 2 weeks ago [specialized.algorithms] ready "Effects: Equivalent to:" and uninitialized memory algorithms
3832 2 weeks ago [range.elements.iterator] ready Missing change for element_view::iterator in LWG 3798
3889 2 weeks ago [specialized.destroy] ready std::(ranges::)destroy_at should destroy array elements in the decreasing index order
4116 2 weeks ago [range.enumerate.iterator][range.cartesian.iterator] ready enumerate_view::iterator and cartesian_product_view::iterator should not always provide iterator_category
4559 2 weeks ago [range.zip.view] [range.zip.transform.view] [range.cartesian.view] lewg zip_view, zip_transform_view, and cartesian_product_view should provide reserve_hint
4617 2 weeks ago [version.syn] new P3505R4 and P2497R0 should not bump the same feature-test macro
4606 3 weeks ago [mdspan.layout.stride.cons] ready Bullet (4.3) preconditions are too strict to implement `submdspan`
4612 1 month ago [optional.nullopt] new Specify the details of `std::nullopt_t`
4613 1 month ago [range.elements.view] new The `const` overloads of `elements_view`'s `begin()`/`end()` are underconstrained
4611 1 month ago [meta.reflection.layout] new `bit_size_of` overflow handling
4610 1 month ago [locale.syn] new `std::swap` should specially handle `std::locale`
3047 1 month ago [atomics.types.int][atomics.types.pointer][atomics.types.memop] ready atomic compound assignment operators can cause undefined behavior when corresponding fetch_meow members don't
4110 1 month ago [util.smartptr.shared.const] ready `shared_ptr(nullptr_t, Deleter)` is overconstrained, breaking some sensible deleters
4546 1 month ago [iterator.concept.winc] ready Integer-class type should be structural type
4576 1 month ago [meta.reflection.substitute] ready `{can_}substitute` specification is (still) ill-formed
4586 1 month ago [freestanding.item] [optional.syn] [format.syn] ready Partial specialization of `std::format_kind` for `std::optional` is not marked hosted
4602 1 month ago [charconv.to.chars] ready Incorrect lower bound for the default floating-point representation
4603 1 month ago [mdspan.layout.stride.cons] ready `layout_stride` should accept zero strides for empty `extents`
3172 1 month ago [c.math.hypot3] ready 3-arg std::hypot is underspecified compared to the 2-arg overload
4601 1 month ago [c.math.lerp] ready Unclear error handling for C++ math functions
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