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Always encode RPITITs

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This commit is contained in:
Santiago Pastorino 2023-03-20 13:20:28 -03:00 • committed by Michael Goulet
parent 77d50a8870
commit c1f3529c91
2 changed files with 9 additions and 1 deletions
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8
compiler/rustc_metadata/src/rmeta/encoder.rs
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@ -1044,7 +1044,13 @@ fn should_encode_type(tcx: TyCtxt<'_>, def_id: LocalDefId, def_kind: DefKind) ->
let assoc_item = tcx.associated_item(def_id);
match assoc_item.container {
ty::AssocItemContainer::ImplContainer => true,
ty::AssocItemContainer::TraitContainer => assoc_item.defaultness(tcx).has_value(),
// FIXME(-Zlower-impl-trait-in-trait-to-assoc-ty) always encode RPITITs,
// since we need to be able to "project" from an RPITIT associated item
// to an opaque when installing the default projection predicates in
// default trait methods with RPITITs.
ty::AssocItemContainer::TraitContainer => {
assoc_item.defaultness(tcx).has_value() || assoc_item.opt_rpitit_info.is_some()
}
}
}
DefKind::TyParam => {

2
tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs
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@ -1,3 +1,5 @@
// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty
#![feature(return_position_impl_trait_in_trait)]
pub trait Foo {