1 files changed, 8 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/issue-99642-2.rs b/tests/ui/impl-trait/issue-99642-2.rs
new file mode 100644
index 00000000000..0e88b363338
--- /dev/null
+++ b/tests/ui/impl-trait/issue-99642-2.rs
@@ -0,0 +1,8 @@
+// check-pass
+
+#![feature(type_alias_impl_trait)]
+type Opq = impl Sized;
+fn test() -> impl Iterator<Item = Opq> {
+    Box::new(0..) as Box<dyn Iterator<Item = _>>
+}
+fn main(){}