-./error_init_auto.nit:34,5--9: Error: arity mismatch; prototype is 'init(recv: Int)'.
-./error_init_auto.nit:36,5--14: Error: arity mismatch; prototype is 'init(recv: Int)'.
-./error_init_auto.nit:37,5--17: Error: arity mismatch; prototype is 'init(recv: Int)'.
+./error_init_auto.nit:34,5--9: Error: arity mismatch; prototype is 'init(x: Int)'.
+./error_init_auto.nit:36,5--14: Error: arity mismatch; prototype is 'init(x: Int)'.
+./error_init_auto.nit:37,5--17: Error: arity mismatch; prototype is 'init(x: Int)'.