---

yaml
---
r: 41897
b: refs/heads/master
c: 4dd29de
h: refs/heads/master
i:
  41895: a299c26
v: v3

Author: sanxiyn

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 9a5d6170927547226870bbf4eb9cad62cdc405f6
+refs/heads/master: 4dd29dee571a89d1e085e6657d1fa582d946462e
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 2f46b763da2c098913884f101b6d71d69af41b49
 refs/heads/try: 3d5418789064fdb463e872a4e651af1c628a3650

trunk/src/libsyntax/parse/parser.rs

@@ -716,9 +716,10 @@ impl Parser {
     // identifier names.
     fn parse_arg_general(require_name: bool) -> arg {
         let mut m;
-        let is_mutbl = false;
+        let mut is_mutbl = false;
         let pat = if require_name || self.is_named_argument() {
             m = self.parse_arg_mode();
+            is_mutbl = self.eat_keyword(~"mut");
             let pat = self.parse_pat(false);
             self.expect(token::COLON);
             pat