From 05999290e23ad5f57bdfbfd56bde694a627c342e Mon Sep 17 00:00:00 2001
From: Tim Chevalier <chevalier@alum.wellesley.edu>
Date: Fri, 5 Oct 2012 17:19:50 -0700
Subject: Finally removing all uses of by-mut-ref

The code for the mode itself is still there.
---
 src/libsyntax/parse/parser.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/libsyntax/parse')

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index bc0beec5b36..6bee9190a83 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -570,7 +570,8 @@ impl parser {
 
     fn parse_arg_mode() -> mode {
         if self.eat(token::BINOP(token::AND)) {
-            self.warn(~"Obsolete syntax has no effect");
+            self.span_fatal(copy self.last_span,
+                            ~"Obsolete syntax has no effect");
             expl(by_mutbl_ref)
         } else if self.eat(token::BINOP(token::MINUS)) {
             expl(by_move)
-- 
cgit 1.4.1-3-g733a5