[test/add :arity-error [try car [compile '[return 1 2 3]]]]
[test/add :arity-error [try car [compile '[if 1 2 3 4]]]]
[test/add :arity-error [try car [compile '[def 1 2 3]]]]
[test/add :arity-error [try car [compile '[set! 1 2 3]]]]
[test/add :arity-error [try car [compile '[return 1 2 3]]]]
[test/add :arity-error [try car [compile '[if 1 2 3 4]]]]
[test/add :arity-error [try car [compile '[def 1 2 3]]]]
[test/add :arity-error [try car [compile '[set! 1 2 3]]]]