warning: language version 2.0 is experimental, there are no backwards compatibility guarantees for new language and library features compiler/testData/cli/jvm/firFriendlyErrorIfNoJdkOptionIsSet.kt:2:11: error: unresolved reference 'NullPointerException'. throw NullPointerException() ^ compiler/testData/cli/jvm/firFriendlyErrorIfNoJdkOptionIsSet.kt:2:11: error: type mismatch: inferred type is 'ERROR CLASS: Unresolved name: NullPointerException', but 'kotlin/Throwable' was expected. throw NullPointerException() ^ COMPILATION_ERROR