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Diffstat (limited to 'src/libsyntax/parse/parser.rs')
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 3 |
1 files changed, 2 insertions, 1 deletions
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) |