---

yaml
---
r: 271566
b: refs/heads/auto
c: 73b4f06
h: refs/heads/master

Author: nikomatsakis

[refs]

@@ -8,7 +8,7 @@ refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: f69eb8efbe5dbc373426bf0ff021b49f37db41cb
+refs/heads/auto: 73b4f06b83fd7a7ab4bcc9bf2ac97844f3b27df5
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336
 refs/tags/0.2: 1754d02027f2924bed83b0160ee340c7f41d5ea1

branches/auto/src/librustc/session/mod.rs

@@ -246,7 +246,13 @@ impl Session {
         let lint_id = lint::LintId::of(lint);
         let mut lints = self.lints.borrow_mut();
         match lints.get_mut(&id) {
-            Some(arr) => { arr.push((lint_id, sp, msg)); return; }
+            Some(arr) => {
+                let tuple = (lint_id, sp, msg);
+                if !arr.contains(&tuple) {
+                    arr.push(tuple);
+                }
+                return;
+            }
             None => {}
         }
         lints.insert(id, vec!((lint_id, sp, msg)));