bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

RPITITs are DefKind::Opaque with new lowering strategy

Browse source
This commit is contained in:
Michael Goulet 2023-03-20 17:05:46 +00:00
parent c1f3529c91
commit c3e6f68931
4 changed files with 36 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

13
compiler/rustc_metadata/src/rmeta/encoder.rs
View file

@ -1016,7 +1016,6 @@ fn should_encode_type(tcx: TyCtxt<'_>, def_id: LocalDefId, def_kind: DefKind) ->
| DefKind::Const
| DefKind::Static(..)
| DefKind::TyAlias
| DefKind::OpaqueTy
| DefKind::ForeignTy
| DefKind::Impl { .. }
| DefKind::AssocFn
@ -1027,6 +1026,18 @@ fn should_encode_type(tcx: TyCtxt<'_>, def_id: LocalDefId, def_kind: DefKind) ->
| DefKind::AnonConst
| DefKind::InlineConst => true,
DefKind::OpaqueTy => {
let opaque = tcx.hir().expect_item(def_id).expect_opaque_ty();
if let hir::OpaqueTyOrigin::FnReturn(fn_def_id) | hir::OpaqueTyOrigin::AsyncFn(fn_def_id) = opaque.origin
&& let hir::Node::TraitItem(trait_item) = tcx.hir().get_by_def_id(fn_def_id)
&& let (_, hir::TraitFn::Required(..)) = trait_item.expect_fn()
{
false
} else {
true
}
}
DefKind::ImplTraitPlaceholder => {
let parent_def_id = tcx.impl_trait_in_trait_parent_fn(def_id.to_def_id());
let assoc_item = tcx.associated_item(parent_def_id);