List of issues - WG21 LWG Issues
ID Activity Section Status Title
3537 4 days ago [iterator.range] new §[iterator.range] Missing noexcept for std::rbegin/rend for arrays and initializer_list
4284 7 days ago [format.formatter.spec] new Integer-class types should be formattable
4283 7 days ago [obj.lifetime] new `std::trivially_relocate` needs stronger preconditions on "nested" objects with dynamic lifetime
4282 7 days ago [obj.lifetime] new Imprecise Throws: clause in `std::relocate`
4272 7 days ago [mdspan.layout] new For `rank == 0`, `layout_stride` is atypically convertible
4281 1 week ago [optional.observe] [expected.object.obs] new Inconsistency between `value_or()` and `error_or()` in `std::expected`
4285 1 week ago [locale.time.get.members] new `time_get::do_get_date` is problematic even after LWG 461
4280 2 weeks ago [simd.loadstore] new `simd::partial_load` uses undefined identifier `T`
4243 2 weeks ago [span.objectrep] ready `as_bytes`/`as_writable_bytes` is broken with span<volatile T>
3696 2 weeks ago [stream.types] new "Basic integral types" should not be used
4278 2 weeks ago [exec.snd.expos] new Consider changing how get-domain-early(sndr) works
4279 2 weeks ago [fs.op.absolute] new §[fs.op.absolute] Non-normative encouragement should be Recommended practice
4070 2 weeks ago [fs.path.fmtr.funcs] open Transcoding by std::formatter<std::filesystem::path>
4277 3 weeks ago [algorithms.requirements] new §[algorithms.requirements] It is unclear what an algorithm is
4276 3 weeks ago [array.zero] new `front()` and `back()` are not hardened for zero-length `std::array`s
4259 3 weeks ago [string.find] new P1148R0 changed the return values of searching functions of `std::basic_string` on some platforms
4165 3 weeks ago [concept.swappable][utility.swap][array.members] new Should swapping a built-in array or `std::array` with itself result in UB?
4167 3 weeks ago [alg.min.max] new Use of "smaller" and "larger" in min, max, and minmax is unclear
4210 3 weeks ago [range.cache.latest.iterator] new Issue with cache_latest_view::iterator's reference type
4212 3 weeks ago [rand.eng.philox] new Make the round states in [rand.eng.philox] explicit
4216 3 weeks ago [facet.num.put.virtuals] new `num_put::do_put` and `void` pointers
4218 3 weeks ago [const.iterators.ops] new Constraint recursion in `basic_const_iterator`'s relational operators due to ADL + CWG 2369
4226 3 weeks ago [range.to.input] new to_input_view::iterator cannot be compared to its `const` sentinel
4230 3 weeks ago [simd.complex.access] new simd<complex>::real/imag is overconstrained
4215 3 weeks ago [exec.run.loop] new `run_loop::finish` should be `noexcept`
4274 3 weeks ago [time.hms.members] ready The `chrono::hh_mm_ss` constructor is ill-formed for unsigned durations
4253 3 weeks ago [const.iterators.iterator] ready `basic_const_iterator` should provide `iterator_type`
4266 3 weeks ago [mdspan.layout.stride] ready `layout_stride::mapping` should treat empty mappings as exhaustive
4237 3 weeks ago [const.iterators.iterator][range.adaptors] new The standard library iterator adaptor does not handle iterator_category correctly
4238 3 weeks ago [simd.mask.unary] new simd_mask<complex<double>>::operator+/-/~ return a disabled `simd` specialization
4240 3 weeks ago [format.formattable] new The formattable type is not a formattable type
4248 3 weeks ago [exec.snd.expos] new Late domain-based dispatching of `schedule_from` and `continues_on` are flipped
4251 3 weeks ago [indirect.asgn] new Move assignment for `indirect` unnecessarily requires copy construction
4090 3 weeks ago [format.string.std] open Underspecified use of locale facets for locale-dependent std::format
4275 3 weeks ago [mdspan.syn] new `std::dynamic_extent` should also be defined in <mdspan>
4273 1 month ago [execpol] new Standard execution policy types should be conventional tag class types
4271 1 month ago [iterator.requirements.general] [range.approximately.sized][range.req.general] [range.range][range.sized] [range.filter.view][range.drop.view] [range.drop.while.view][range.split.view] [range.reverse.view][range.slide.view] [range.chunk.by.view] new Caching range views claim amortized amortized 𝒪(1) runtime complexity for algorithms that are in fact 𝒪(n)
4270 1 month ago [projected] new Diagnose misuse of `std::projected::operator*`
4269 1 month ago [alg.unique] new `unique_copy` passes arguments to its predicate backwards
4268 1 month ago [func.require] new function<void()> suppresses `nodiscard` warnings
4267 1 month ago [tuple.cnstr] new Uses-allocator construction is meaningless for tuple of references
4265 1 month ago [numeric.ops.midpoint] new `std::midpoint` should not accept `const bool`
4264 1 month ago [func.wrap.general] new Skipping indirection is not allowed for function_ref
4262 1 month ago [alg.copy][alg.remove][alg.unique] new `copy_if`, `remove_copy`, `remove_copy_if`, `unique_copy` have too strong preconditions
4260 1 month ago [exec.queryable.general] new Query objects must be default constructible
4257 1 month ago [time.clock.local] new Stream insertion for `chrono::local_time` should be constrained
4256 1 month ago [func.wrap.ref.ctor] new Incorrect constrains for function_ref constructors from nontype_t
4263 1 month ago [format] new What should `std::format_to` etc. behave when the output is overlong?
4255 1 month ago [func.wrap.move.ctor] new `move_only_function` constructor should recognize empty `copyable_function`s
4261 1 month ago [string.find] new P1206R7 broke uses of container adaptors with old custom sequence containers
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