From d7546d8c2323adff53c8170c528e82a8131681c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lauren=C8=9Biu=20Nicola?= <lnicola@dend.ro>
Date: Mon, 5 Apr 2021 17:38:37 +0300
Subject: Pass interner to TraitRef::self_type_parameter

---
 crates/hir_ty/src/lib.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'crates/hir_ty/src/lib.rs')

diff --git a/crates/hir_ty/src/lib.rs b/crates/hir_ty/src/lib.rs
index 80dd7aaca..adfdcaa37 100644
--- a/crates/hir_ty/src/lib.rs
+++ b/crates/hir_ty/src/lib.rs
@@ -165,8 +165,8 @@ impl<T: TypeWalk> Binders<T> {
 }
 
 impl TraitRef {
-    pub fn self_type_parameter(&self) -> &Ty {
-        &self.substitution.at(&Interner, 0).assert_ty_ref(&Interner)
+    pub fn self_type_parameter(&self, interner: &Interner) -> &Ty {
+        &self.substitution.at(interner, 0).assert_ty_ref(interner)
     }
 
     pub fn hir_trait_id(&self) -> TraitId {
@@ -473,7 +473,9 @@ impl Ty {
                             .into_iter()
                             .map(|pred| pred.clone().subst(&substs))
                             .filter(|wc| match &wc.skip_binders() {
-                                WhereClause::Implemented(tr) => tr.self_type_parameter() == self,
+                                WhereClause::Implemented(tr) => {
+                                    tr.self_type_parameter(&Interner) == self
+                                }
                                 WhereClause::AliasEq(AliasEq {
                                     alias: AliasTy::Projection(proj),
                                     ty: _,
-- 
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