1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/fact.rs b/tests/ui/fact.rs
new file mode 100644
index 00000000000..c6c2f57e75c
--- /dev/null
+++ b/tests/ui/fact.rs
@@ -0,0 +1,26 @@
+// run-pass
+
+fn f(x: isize) -> isize {
+    // println!("in f:");
+
+    println!("{}", x);
+    if x == 1 {
+        // println!("bottoming out");
+
+        return 1;
+    } else {
+        // println!("recurring");
+
+        let y: isize = x * f(x - 1);
+        // println!("returned");
+
+        println!("{}", y);
+        return y;
+    }
+}
+
+pub fn main() {
+    assert_eq!(f(5), 120);
+    // println!("all done");
+
+}