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Add lang item for AsyncFnKindHelper::Upvars

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This commit is contained in:
Michael Goulet
2024-05-29 14:28:53 -04:00
parent a9c7e024c0
commit a03ba7fd2d
5 changed files with 10 additions and 26 deletions
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20
compiler/rustc_trait_selection/src/traits/project.rs
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@@ -1680,14 +1680,8 @@ fn confirm_closure_candidate<'cx, 'tcx>(
args.coroutine_captures_by_ref_ty(),
)
} else {
let async_fn_kind_trait_def_id =
tcx.require_lang_item(LangItem::AsyncFnKindHelper, None);
let upvars_projection_def_id = tcx
.associated_items(async_fn_kind_trait_def_id)
.filter_by_name_unhygienic(sym::Upvars)
.next()
.unwrap()
.def_id;
let upvars_projection_def_id =
tcx.require_lang_item(LangItem::AsyncFnKindUpvars, None);
let tupled_upvars_ty = Ty::new_projection(
tcx,
upvars_projection_def_id,
@@ -1816,14 +1810,8 @@ fn confirm_async_closure_candidate<'cx, 'tcx>(
args.coroutine_captures_by_ref_ty(),
)
} else {
let async_fn_kind_trait_def_id =
tcx.require_lang_item(LangItem::AsyncFnKindHelper, None);
let upvars_projection_def_id = tcx
.associated_items(async_fn_kind_trait_def_id)
.filter_by_name_unhygienic(sym::Upvars)
.next()
.unwrap()
.def_id;
let upvars_projection_def_id =
tcx.require_lang_item(LangItem::AsyncFnKindUpvars, None);
// When we don't know the closure kind (and therefore also the closure's upvars,
// which are computed at the same time), we must delay the computation of the
// generator's upvars. We do this using the `AsyncFnKindHelper`, which as a trait