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Stabilize const_fn_fn_ptr_basics and const_fn_trait_bound

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This commit is contained in:
Eric Holk 2022-02-08 16:33:15 -08:00
parent 96eb1168d1
commit b86620da37
1 changed files with 1 additions and 21 deletions
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22
clippy_utils/src/qualify_min_const_fn.rs
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@ -32,32 +32,12 @@ pub fn is_min_const_fn<'a, 'tcx>(tcx: TyCtxt<'tcx>, body: &'a Body<'tcx>, msrv:
| ty::PredicateKind::Projection(_)
| ty::PredicateKind::ConstEvaluatable(..)
| ty::PredicateKind::ConstEquate(..)
| ty::PredicateKind::Trait(..)
| ty::PredicateKind::TypeWellFormedFromEnv(..) => continue,
ty::PredicateKind::ObjectSafe(_) => panic!("object safe predicate on function: {:#?}", predicate),
ty::PredicateKind::ClosureKind(..) => panic!("closure kind predicate on function: {:#?}", predicate),
ty::PredicateKind::Subtype(_) => panic!("subtype predicate on function: {:#?}", predicate),
ty::PredicateKind::Coerce(_) => panic!("coerce predicate on function: {:#?}", predicate),
ty::PredicateKind::Trait(pred) => {
if Some(pred.def_id()) == tcx.lang_items().sized_trait() {
continue;
}
match pred.self_ty().kind() {
ty::Param(ref p) => {
let generics = tcx.generics_of(current);
let def = generics.type_param(p, tcx);
let span = tcx.def_span(def.def_id);
return Err((
span,
"trait bounds other than `Sized` \
on const fn parameters are unstable"
.into(),
));
},
// other kinds of bounds are either tautologies
// or cause errors in other passes
_ => continue,
}
},
}
}
match predicates.parent {