bug

gistfile1.kt

trait I<T> {
    public fun invoke(f: T.() -> Unit) {}
}


open class A: I<A> {
    val c1 = 1
}

class B: I<B> {
    val c2 = 2
}

open class C
val C.attr = A()

open class D: C()
val D.attr = B()


fun main(args: Array<String>) {
    val b =  D()
    val d = b.attr 
    d {
        c2
    }
    
    b.attr {
        
    }
}