-error_expr_not_ok.nit:86,7--15: Type error: expected A, got Bool
-error_expr_not_ok.nit:87,12--15: Error: Method or variable 'fail' unknown in Sys.
-error_expr_not_ok.nit:87,7--15: Type error: expected A, got Bool
+error_expr_not_ok.nit:87,26--29: Error: Method or variable 'fail' unknown in Sys.
+error_expr_not_ok.nit:87,7--30: Type error: expected A, got Bool