From 0623bb4d71725d6b07e8cef5665094581f951fc0 Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Sat, 20 Mar 2021 15:26:42 +0100
Subject: Test for a Salsa bug

---
 crates/hir_ty/src/lib.rs | 4 ++++
 1 file changed, 4 insertions(+)

(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 c46529879..815bb8418 100644
--- a/crates/hir_ty/src/lib.rs
+++ b/crates/hir_ty/src/lib.rs
@@ -106,6 +106,10 @@ impl ProjectionTy {
         }
     }
 
+    pub fn self_type_parameter(&self) -> &Ty {
+        &self.substitution[0]
+    }
+
     fn trait_(&self, db: &dyn HirDatabase) -> TraitId {
         match from_assoc_type_id(self.associated_ty_id).lookup(db.upcast()).container {
             AssocContainerId::TraitId(it) => it,
-- 
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