---

yaml
---
r: 1912
b: refs/heads/master
c: f6490a6
h: refs/heads/master
v: v3

Author: graydon

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d7a6c83c8c952e1f22e9b62f1b25705167ac0bb9
+refs/heads/master: f6490a6f03dd997d7cb801dff9d48a56b336fccc

trunk/src/comp/front/parser.rs

@@ -1003,6 +1003,12 @@ impure fn parse_dot_or_call_expr(parser p) -> @ast.expr {
 
 impure fn parse_prefix_expr(parser p) -> @ast.expr {
 
+    if (p.peek() == token.MUTABLE) {
+        p.bump();
+        p.get_session().span_warn(p.get_span(),
+            "ignoring deprecated 'mutable' prefix operator");
+    }
+
     auto lo = p.get_span();
     auto hi = lo;