1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/lazy-type-alias-impl-trait/recursion.rs b/src/test/ui/lazy-type-alias-impl-trait/recursion.rs
new file mode 100644
index 000000000..cf7cd5d26
--- /dev/null
+++ b/src/test/ui/lazy-type-alias-impl-trait/recursion.rs
@@ -0,0 +1,23 @@
+#![feature(type_alias_impl_trait)]
+
+// check-pass
+
+type Foo = impl std::fmt::Debug;
+
+fn foo(b: bool) -> Foo {
+    if b {
+        return 42
+    }
+    let x: u32 = foo(false);
+    99
+}
+
+fn bar(b: bool) -> impl std::fmt::Debug {
+    if b {
+        return 42
+    }
+    let x: u32 = bar(false);
+    99
+}
+
+fn main() {}