-alt/base_control_flow_alt1.nit:26,5: Control error: Reached end of function (a 'return' with a value was expected).
-alt/base_control_flow_alt1.nit:34,5: Control error: Reached end of function (a 'return' with a value was expected).
+alt/base_control_flow_alt1.nit:26,5: Error: reached end of function; expected `return` with a value.
+alt/base_control_flow_alt1.nit:34,5: Error: reached end of function; expected `return` with a value.