From 75f06ce1fb63898d45b301a796f83fa2e91f9871 Mon Sep 17 00:00:00 2001
From: Ali Bektas <bektasali@protonmail.com>
Date: Sat, 15 Jul 2023 18:32:21 +0200
Subject: [PATCH] Handle TyAlias in projected_ty

---
 crates/hir-ty/src/mir.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/crates/hir-ty/src/mir.rs b/crates/hir-ty/src/mir.rs
index dc846fc3947..b598e5ebcf6 100644
--- a/crates/hir-ty/src/mir.rs
+++ b/crates/hir-ty/src/mir.rs
@@ -151,6 +151,7 @@ impl<V, T> ProjectionElem<V, T> {
                 TyKind::Adt(_, subst) => {
                     db.field_types(f.parent)[f.local_id].clone().substitute(Interner, subst)
                 }
+                TyKind::Alias(al) => al.clone().intern(Interner),
                 _ => {
                     never!("Only adt has field");
                     return TyKind::Error.intern(Interner);
@@ -167,6 +168,7 @@ impl<V, T> ProjectionElem<V, T> {
                         TyKind::Error.intern(Interner)
                     }),
                 TyKind::Closure(id, subst) => closure_field(*id, subst, *f),
+                TyKind::Alias(al) => al.clone().intern(Interner),
                 _ => {
                     never!("Only tuple or closure has tuple or closure field");
                     return TyKind::Error.intern(Interner);