diff --git a/src/test/run-pass/closure-inference2.rs b/src/test/run-pass/closure-inference2.rs
new file mode 100644
index 000000000000..159bd7c28189
--- /dev/null
+++ b/src/test/run-pass/closure-inference2.rs
@@ -0,0 +1,7 @@
+// Test a rather underspecified example:
+
+fn main() {
+    let f = {|i| i};
+    assert f(2) == 2;
+    assert f(5) == 5;
+}