From 87109bb4f599bb8ac7b1c3a970337ac92cb3031c Mon Sep 17 00:00:00 2001
From: Yoshitomo Nakanishi <yurayura.rounin.3@gmail.com>
Date: Sat, 13 Feb 2021 22:12:59 +0900
Subject: [PATCH] Add minimal reproducer for ICE in #6179

---
 tests/ui/crashes/ice-6179.rs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 tests/ui/crashes/ice-6179.rs

diff --git a/tests/ui/crashes/ice-6179.rs b/tests/ui/crashes/ice-6179.rs
new file mode 100644
index 00000000000..f8c866a49aa
--- /dev/null
+++ b/tests/ui/crashes/ice-6179.rs
@@ -0,0 +1,21 @@
+//! This is a minimal reproducer for the ICE in https://github.com/rust-lang/rust-clippy/pull/6179.
+//! The ICE is mainly caused by using `hir_ty_to_ty`. See the discussion in the PR for details.
+
+#![warn(clippy::use_self)]
+#![allow(dead_code)]
+
+struct Foo {}
+
+impl Foo {
+    fn foo() -> Self {
+        impl Foo {
+            fn bar() {}
+        }
+
+        let _: _ = 1;
+
+        Self {}
+    }
+}
+
+fn main() {}