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Record coroutine kind in generics

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This commit is contained in:
Michael Goulet 2024-02-07 16:06:52 +00:00
parent d6c46a23ce
commit dcca9a12cd
3 changed files with 35 additions and 4 deletions
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9
compiler/rustc_middle/src/ty/instance.rs
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@ -765,7 +765,14 @@ fn polymorphize<'tcx>(
let def_id = instance.def_id();
let upvars_ty = match tcx.type_of(def_id).skip_binder().kind() {
ty::Closure(..) => Some(args.as_closure().tupled_upvars_ty()),
ty::Coroutine(..) => Some(args.as_coroutine().tupled_upvars_ty()),
ty::Coroutine(..) => {
assert_eq!(
args.as_coroutine().kind_ty(),
tcx.types.unit,
"polymorphization does not support coroutines from async closures"
);
Some(args.as_coroutine().tupled_upvars_ty())
}
_ => None,
};
let has_upvars = upvars_ty.is_some_and(|ty| !ty.tuple_fields().is_empty());