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rustdoc- dont ICE on ConstEvaluatable predicates #86242

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Merged
merged 3 commits into from
Jun 16, 2021
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rustdoc- dont ICE on ConstEvaluatable predicates #86242

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00a5ec1
dont ICE on `ConstEvaluatable` predicates
BoxyUwU Jun 12, 2021
9a75381
line
BoxyUwU Jun 12, 2021
94de92d
add `@has`
BoxyUwU Jun 12, 2021
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2 changes: 1 addition & 1 deletion src/librustdoc/clean/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -350,12 +350,12 @@ impl<'a> Clean<Option<WherePredicate>> for ty::Predicate<'a> {
ty::PredicateKind::RegionOutlives(pred) => pred.clean(cx),
ty::PredicateKind::TypeOutlives(pred) => pred.clean(cx),
ty::PredicateKind::Projection(pred) => Some(pred.clean(cx)),
ty::PredicateKind::ConstEvaluatable(..) => None,

ty::PredicateKind::Subtype(..)
| ty::PredicateKind::WellFormed(..)
| ty::PredicateKind::ObjectSafe(..)
| ty::PredicateKind::ClosureKind(..)
| ty::PredicateKind::ConstEvaluatable(..)
| ty::PredicateKind::ConstEquate(..)
| ty::PredicateKind::TypeWellFormedFromEnv(..) => panic!("not user writable"),
}
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7 changes: 7 additions & 0 deletions src/test/rustdoc/const-generics/const-evaluatable-checked.rs
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@@ -0,0 +1,7 @@
#![crate_name = "foo"]
#![feature(const_evaluatable_checked, const_generics)]
#![allow(incomplete_features)]
// make sure that `ConstEvaluatable` predicates dont cause rustdoc to ICE #77647
// @has foo/struct.Ice.html '//pre[@class="rust struct"]' \
// 'pub struct Ice<const N: usize> where [(); N + 1]: ;'
pub struct Ice<const N: usize> where [(); N + 1]:;