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// AFTER-WARNING: Parameter 'args' is never used
// AFTER-WARNING: Unnecessary safe call on a non-null receiver of type B?
// AFTER-WARNING: Variable 'x' is never used
class B {
val c = C()
}
class C {
val d = "bc"
}
fun main(args: Array<String>) {
val a: B? = B()
val x = if (a?.c != null) a?.c.d else null
}
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