FILE: ambiguityWhenNoApplicableCallableReferenceCandidate.kt
    public final fun foo(x: R|kotlin/Int|): R|kotlin/Unit| {
    }
    public final fun foo(y: R|kotlin/String|): R|kotlin/Unit| {
    }
    public final fun <T> bar(f: R|kotlin/Function1<T, kotlin/Unit>|): R|kotlin/Unit| {
    }
    public final fun test(): R|kotlin/Unit| {
        R|/bar|<R|kotlin/Any?|>(::<Unresolved reference: foo>#)
    }
