From 7fc4b963470de530a212f2b7eb87a0aeddba9a04 Mon Sep 17 00:00:00 2001
From: Martin Nordholts <martin.nordholts@codetale.se>
Date: Tue, 26 Nov 2024 06:25:56 +0100
Subject: [PATCH] tests: Add regression test for self referential struct with
 cow as last field

---
 ...lf-referential-struct-cow-as-last-field.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 tests/ui/traits/solver-cycles/107481-self-referential-struct-cow-as-last-field.rs

diff --git a/tests/ui/traits/solver-cycles/107481-self-referential-struct-cow-as-last-field.rs b/tests/ui/traits/solver-cycles/107481-self-referential-struct-cow-as-last-field.rs
new file mode 100644
index 0000000000000..f953eb1c0f744
--- /dev/null
+++ b/tests/ui/traits/solver-cycles/107481-self-referential-struct-cow-as-last-field.rs
@@ -0,0 +1,19 @@
+// Regression test for #107481
+
+//@ check-pass
+
+use std::{borrow::Cow, collections::HashMap};
+
+#[derive(Clone)]
+struct Foo<'a>(Cow<'a, [Self]>);
+
+#[derive(Clone)]
+struct Bar<'a>(Cow<'a, HashMap<String, Self>>);
+
+#[derive(Clone)]
+struct Baz<'a>(Cow<'a, Vec<Self>>);
+
+#[derive(Clone)]
+struct Qux<'a>(Cow<'a, Box<Self>>);
+
+fn main() {}