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introduce a Coerce predicate

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This commit is contained in:
Niko Matsakis 2020-11-21 07:06:16 -05:00 • committed by Mark Rousskov
parent 5a8edc0b76
commit 947c0de028
24 changed files with 153 additions and 2 deletions
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2
compiler/rustc_trait_selection/src/traits/object_safety.rs
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@ -308,6 +308,7 @@ fn predicate_references_self(
| ty::PredicateKind::RegionOutlives(..)
| ty::PredicateKind::ClosureKind(..)
| ty::PredicateKind::Subtype(..)
| ty::PredicateKind::Coerce(..)
| ty::PredicateKind::ConstEvaluatable(..)
| ty::PredicateKind::ConstEquate(..)
| ty::PredicateKind::TypeWellFormedFromEnv(..) => None,
@ -336,6 +337,7 @@ fn generics_require_sized_self(tcx: TyCtxt<'_>, def_id: DefId) -> bool {
}
ty::PredicateKind::Projection(..)
| ty::PredicateKind::Subtype(..)
| ty::PredicateKind::Coerce(..)
| ty::PredicateKind::RegionOutlives(..)
| ty::PredicateKind::WellFormed(..)
| ty::PredicateKind::ObjectSafe(..)