// JVM_DEFAULT_MODE: no-compatibility
// TARGET_BACKEND: JVM
// JVM_TARGET: 1.8
// WITH_STDLIB
// CHECK_BYTECODE_LISTING
// FIR_IDENTICAL

@JvmDefaultWithCompatibility
interface Test {
    fun test(s: String ="OK"): String {
        return s
    }
}

class TestClass : Test {

}

fun box(): String {
    return TestClass().test()
}
