compiler/testData/cli/jvm/languageVersion.kt:5:17: error: this type is sealed, so it can be inherited by only its own nested classes or objects
class Derived : Base()
                ^
compiler/testData/cli/jvm/languageVersion.kt:8:5: error: the feature is only available since Kotlin 1.1: bound callable references
    ""::class.isInstance(42)
    ^
compiler/testData/cli/jvm/languageVersion.kt:8:15: error: unresolved reference: isInstance
    ""::class.isInstance(42)
              ^
COMPILATION_ERROR