From b69e08ceca608b2ecb9f21525f4448e7361c0035 Mon Sep 17 00:00:00 2001
From: Niko Matsakis <niko@alum.mit.edu>
Date: Fri, 23 Oct 2015 11:04:38 -0400
Subject: [PATCH] add main fn to test

---
 src/test/run-pass/issue-28871.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/test/run-pass/issue-28871.rs b/src/test/run-pass/issue-28871.rs
index 8e9bd5b10425..92ba98f50625 100644
--- a/src/test/run-pass/issue-28871.rs
+++ b/src/test/run-pass/issue-28871.rs
@@ -29,3 +29,5 @@ impl T for S {
 trait T2 {
     type T: Iterator<Item=<S as T>::T>;
 }
+
+fn main() { }