1 files changed, 15 insertions, 0 deletions
diff --git a/tests/rustdoc-ui/issue-110629-private-type-cycle.rs b/tests/rustdoc-ui/issue-110629-private-type-cycle.rs
new file mode 100644
index 000000000..2d46ddbfa
--- /dev/null
+++ b/tests/rustdoc-ui/issue-110629-private-type-cycle.rs
@@ -0,0 +1,15 @@
+// check-pass
+
+#![feature(type_alias_impl_trait)]
+
+type Bar<'a, 'b> = impl PartialEq<Bar<'a, 'b>> + std::fmt::Debug;
+
+fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> {
+    i
+}
+
+fn main() {
+    let meh = 42;
+    let muh = 42;
+    assert_eq!(bar(&meh), bar(&muh));
+}