From f9ca0c89d8d91a71d14a980037f3d7e555667515 Mon Sep 17 00:00:00 2001
From: Tim Chevalier <chevalier@alum.wellesley.edu>
Date: Thu, 15 Nov 2012 18:03:12 -0800
Subject: [PATCH] Add xfailed test for #3979

---
 src/test/run-pass/issue-3979.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/test/run-pass/issue-3979.rs

diff --git a/src/test/run-pass/issue-3979.rs b/src/test/run-pass/issue-3979.rs
new file mode 100644
index 0000000000000..8f113ef40a2fe
--- /dev/null
+++ b/src/test/run-pass/issue-3979.rs
@@ -0,0 +1,12 @@
+// xfail-test
+trait Positioned {
+  fn SetX(int);
+}
+
+trait Movable: Positioned {
+  fn translate(dx: int) {
+    self.SetX(self.X() + dx);
+  }
+}
+
+fn main() {}