message: Restrict grammar to LALR
diff: @@ -4,6 +4,7 @@ use codespan::{ByteIndex, ByteSpan};
  use syntax::concrete::{Declaration, Exposing, Literal, Module, Term, ReplCommand};
  use syntax::parse::{LalrpopError, ParseError, Token};
  +#[LALR]
  grammar<'err, 'input>(errors: &'err mut Vec<ParseError>, filemap: &'input FileMap);
  extern {
  