From beece25abefb50cb2db91e5cde1f54e239d6e20a Mon Sep 17 00:00:00 2001
From: Brian Anderson <banderson@mozilla.com>
Date: Fri, 27 Apr 2012 12:19:52 -0700
Subject: [PATCH] parser: Fix lookahead of > 1 token

---
 src/librustsyntax/parse/parser.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/librustsyntax/parse/parser.rs b/src/librustsyntax/parse/parser.rs
index d0aee6fffab..e2117a27ec3 100644
--- a/src/librustsyntax/parse/parser.rs
+++ b/src/librustsyntax/parse/parser.rs
@@ -69,7 +69,7 @@ impl parser for parser {
             self.token = next.tok;
             self.span = mk_sp(next.chpos, self.reader.chpos);
         } else {
-            let next = vec::pop(self.buffer);
+            let next = vec::shift(self.buffer);
             self.token = next.tok;
             self.span = next.span;
         }
@@ -82,7 +82,7 @@ impl parser for parser {
         while vec::len(self.buffer) < distance {
             let next = lexer::next_token(self.reader);
             let sp = mk_sp(next.chpos, self.reader.chpos);
-            self.buffer = [{tok: next.tok, span: sp}] + self.buffer;
+            vec::push(self.buffer, {tok: next.tok, span: sp});
         }
         ret self.buffer[distance - 1u].tok;
     }