From 8397734cfe26793d3e9f9ec5f8392655a4b8e106 Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Sat, 15 May 2021 20:28:07 +0200
Subject: Fix HIR expecting errors to unify with anything

---
 crates/hir_ty/src/infer/unify.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'crates/hir_ty/src/infer/unify.rs')

diff --git a/crates/hir_ty/src/infer/unify.rs b/crates/hir_ty/src/infer/unify.rs
index 56e06b7d0..d8edfb4e9 100644
--- a/crates/hir_ty/src/infer/unify.rs
+++ b/crates/hir_ty/src/infer/unify.rs
@@ -86,8 +86,12 @@ impl<T: HasInterner<Interner = Interner>> Canonicalized<T> {
     }
 }
 
-pub fn could_unify(db: &dyn HirDatabase, env: Arc<TraitEnvironment>, t1: &Ty, t2: &Ty) -> bool {
-    InferenceTable::new(db, env).unify(t1, t2)
+pub fn could_unify(
+    db: &dyn HirDatabase,
+    env: Arc<TraitEnvironment>,
+    tys: &Canonical<(Ty, Ty)>,
+) -> bool {
+    unify(db, env, tys).is_some()
 }
 
 pub(crate) fn unify(
-- 
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