diff -r 0784ac5cc347 -r d8ed9b8f19ca tests/prototype/ref-arg.sp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/prototype/ref-arg.sp	Sat Jun 30 22:34:48 2012 -0700
@@ -0,0 +1,18 @@
+f(&a)
+{
+    for (new i = 0; i < 10; i = i + 1)
+        a = a + i;
+    return 0;
+}
+
+g(&b)
+{
+    return f(b);
+}
+
+main()
+{
+    new b = 77;
+    g(b);
+    return b;
+}