diff --git a/tests/basics/fun_callstardblstar.py b/tests/basics/fun_callstardblstar.py
index aceb04a843..7db458b561 100644
--- a/tests/basics/fun_callstardblstar.py
+++ b/tests/basics/fun_callstardblstar.py
@@ -25,3 +25,12 @@ try:
     eval("a.f(**{'a': 1}, *(2, 3, 4))")
 except SyntaxError:
     print("SyntaxError")
+
+
+# coverage test for arg allocation corner case
+
+def f2(*args, **kwargs):
+    print(len(args), len(kwargs))
+
+
+f2(*iter(range(4)), **{'a': 1})