---

yaml
---
r: 5468
b: refs/heads/master
c: cee7b4c
h: refs/heads/master
v: v3

Author: brson

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dbd2ee015a9a98825a21ee039e32b87d536d60e6
+refs/heads/master: cee7b4caeec85f731c0b9efd27fe159b09a785c5

trunk/src/test/run-pass/issue-511.rs

@@ -0,0 +1,10 @@
+use std;
+import std::option;
+
+fn f<@T>(&o: mutable option::t<T>) {
+    assert o == option::none;
+}
+
+fn main() {
+    f::<int>(option::none);
+}