Indirect mixins not supported in Groovy 2.0.8

gistfile1.groovy

class MixinFoo {
    def foo() { println "foo" }
}

@Mixin(MixinFoo)
class MixinBar {
    def bar() { println "bar" }
}


@Mixin(MixinBar)
class Baz {
    def baz() {
        foo()
    }
}

new Baz().bar()