---

yaml
---
r: 41900
b: refs/heads/master
c: a7eaa1f
h: refs/heads/master
v: v3

Author: catamorphism

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 800b8a759d7d22de9ff49a5bd680f36407123298
+refs/heads/master: a7eaa1f5e42b01e3f69b0851178e7a2f253f5ca9
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 2f46b763da2c098913884f101b6d71d69af41b49
 refs/heads/try: 3d5418789064fdb463e872a4e651af1c628a3650

trunk/src/libsyntax/parse/parser.rs

@@ -747,6 +747,7 @@ impl Parser {
     fn parse_fn_block_arg() -> arg_or_capture_item {
         do self.parse_capture_item_or |p| {
             let m = p.parse_arg_mode();
+            let is_mutbl = self.eat_keyword(~"mut");
             let pat = p.parse_pat(false);
             let t = if p.eat(token::COLON) {
                 p.parse_ty(false)
@@ -759,7 +760,7 @@ impl Parser {
             };
             either::Left(ast::arg {
                 mode: m,
-                is_mutbl: false,
+                is_mutbl: is_mutbl,
                 ty: t,
                 pat: pat,
                 id: p.get_id()