open class B<T> {
    constructor(x: T = null!!) {}
}

class A : B<Int> {
    <caret>constructor() {}
}



Resolved call:

Candidate descriptor: constructor B<T>(x: T = ...) defined in B
Resulting descriptor: constructor B<T>(x: Int = ...) defined in B

Explicit receiver kind = NO_EXPLICIT_RECEIVER
Dispatch receiver = NO_RECEIVER
Extension receiver = NO_RECEIVER