class A {
    fun dynamic.foo() {}
}

fun bar(a: A, b: dynamic) {
    with (a) {
        b.<caret>foo()
    }
}



Resolved call:

Resulting descriptor: fun dynamic.foo(): Unit defined in A

Explicit receiver kind = EXTENSION_RECEIVER
Dispatch receiver = AExt{fun A.<anonymous>(): Unit defined in bar}
Extension receiver = b {('Nothing'..'Any?')}