From df4bb02b6f73e924629deb6e2a62e39367ad4f3a Mon Sep 17 00:00:00 2001
From: Dawer <7803845+iDawer@users.noreply.github.com>
Date: Thu, 30 Sep 2021 19:57:15 +0500
Subject: [PATCH] minor: don't drop binders when doing autoderef

---
 crates/hir/src/lib.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/crates/hir/src/lib.rs b/crates/hir/src/lib.rs
index ed1776640cf..ff795d85be4 100644
--- a/crates/hir/src/lib.rs
+++ b/crates/hir/src/lib.rs
@@ -2504,8 +2504,7 @@ impl Type {
 
     pub fn autoderef<'a>(&'a self, db: &'a dyn HirDatabase) -> impl Iterator<Item = Type> + 'a {
         // There should be no inference vars in types passed here
-        let ty = hir_ty::replace_errors_with_variables(&self.ty).value;
-        let canonical = Canonical { value: ty, binders: CanonicalVarKinds::empty(&Interner) };
+        let canonical = hir_ty::replace_errors_with_variables(&self.ty);
         let environment = self.env.env.clone();
         let ty = InEnvironment { goal: canonical, environment };
         autoderef(db, Some(self.krate), ty)