List of issues - WG21 LWG Issues
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ID Activity Section Status Title
2154 2 months ago [rand.req.urng] new What exactly does compile-time complexity imply?
3177 2 months ago [namespace.std] new Limit permission to specialize variable templates to program-defined types
3175 2 months ago [concepts.swappable] new The CommonReference requirement of concept SwappableWith is not satisfied in the example
3174 2 months ago [meta.rel] new Precondition on is_convertible is too strong
3172 2 months ago [c.math.hypot3] new 3-arg std::hypot is underspecified compared to the 2-arg overload
3171 2 months ago [fs.class.directory_entry] new LWG 2989 breaks directory_entry stream insertion
3170 2 months ago [default.allocator] new is_always_equal added to std::allocator makes the standard library treat derived types as always equal
3139 2 months ago [support.contract.cviol] new contract_violation's special member functions
3141 2 months ago [concepts.object] new CopyConstructible doesn't preserve source values
3142 2 months ago [res.on.functions] new std::foo should be ill-formed NDR
3166 2 months ago [pair.astuple][variant.helper][array.tuple] new No such descriptive element as Value:
3167 2 months ago [memory.observer.ptr] new [fund.ts.v3] Does observer_ptr support function types?
3168 2 months ago [structure.specifications][res.on.required] new Expects: element should be specified in one place
3169 2 months ago [alg.permutation.generators] new ranges permutation generators discard useful information
3176 2 months ago [unord.req] new Underspecified behavior of unordered containers when Container::key_equal differs from Pred
2248 3 months ago [numeric.limits] new numeric_limits::is_iec559 misnamed
3055 4 months ago [fs.path.concat] new path::operator+=(single-character) misspecified
3162 4 months ago [syserr.syserr.members] new system_error::system_error(error_code ec) not explicit
3159 4 months ago [unique.ptr.single] new §[unique.ptr.single] requirements on deleter may be too strict
3161 4 months ago [stack] [queue] new Container adapters mandate use of emplace_back but don't require it
3156 4 months ago [specialized.algorithms] new ForwardIterator should only mean forward iterator
3157 4 months ago [allocator.requirements] new Allocator destroy and fancy pointer operations must be non-throwing
3158 4 months ago [tuple.cnstr] new tuple(allocator_arg_t, const Alloc&) should be conditionally explicit
2939 5 months ago [meta.type.synop] new Some type-completeness constraints of traits are overspecified
3099 5 months ago [meta.type.synop] new is_assignable
3146 5 months ago [refwrap.helpers] new Excessive unwrapping in std::ref/cref
3152 5 months ago [meta.trans.other] new common_type and common_reference have flaws in common
3044 5 months ago [allocator.requirements] new Strange specification of max_size() for an allocator
3150 6 months ago [rand.req.urng] new UniformRandomBitGenerator should validate min and max
3151 6 months ago [concept.convertibleto] new ConvertibleTo rejects conversions from array and function types
3144 6 months ago [span.overview] new span does not have a const_pointer typedef
3124 7 months ago [async.exec.ctx.globals] new [networking.ts] Unclear how execution_context is intended to store services
3126 7 months ago [re.submatch] new There's no std::sub_match::compare(string_view) overload
3135 7 months ago [meta.type.synop][header.memory.synop] new [fund.ts.v3] LFTSv3 contains two redundant alias templates
3136 7 months ago [propagate_const.class_type_requirements] new [fund.ts.v3] LFTSv3 awkward wording in propagate_const requirements
3143 7 months ago [mem.res.monotonic.buffer] new monotonic_buffer_resource growth policy is unclear
3133 7 months ago [numeric.requirements] new Modernizing numeric type requirements
3123 7 months ago [time.duration] new duration constructor from representation shouldn't be effectively non-throwing
3117 7 months ago [futures.task] new Missing packaged_task deduction guides
3118 7 months ago [fpos.operations] new fpos equality comparison unspecified
3053 8 months ago [syserr.errcode.overview] new Prohibit error_code construction from rvalues of error_category
3066 8 months ago [sf.cmath] new "report a domain error" in [sf.cmath]/1 is underspecified
3069 8 months ago [variant.assign] new Move assigning variant's subobject corrupts data
3072 8 months ago [buffer.reqmts.dynamicbuffer][buffer.async.read] [buffer.async.write][buffer.async.read.until] new [networking.ts] DynamicBuffer object lifetimes underspecified
3086 8 months ago [new.delete.single] new Possible problem in §[new.delete.single]
3088 8 months ago [forwardlist.ops] new forward_list::merge behavior unclear when passed *this
3089 8 months ago [alg.copy] new copy_n should require non-overlapping ranges
3090 8 months ago [time.duration.cons] new What is §[time.duration.cons]p4's "no overflow is induced in the conversion" intended to mean?
3093 8 months ago [c.math.abs][cstdlib.syn][cinttypes.syn] new LWG 2294/2192 missed a std::abs overload
3095 8 months ago [depr.strstreambuf.virtuals] new strstreambuf refers to nonexistent member of fpos, fpos::offset
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