kotlin-fork/compiler/testData/codegen/box/ir/closureConversion/closureConversion3.kt

// IGNORE_BACKEND_FIR: JVM_IR
fun foo(x: String): String {
    fun bar(y: String): String {
        fun qux(z: String): String =
                x + y + z
        return qux("")
    }
    return bar("K")
}

fun box(): String =
        foo("O")