| warning: ATTENTION! | |
| This build uses unsafe internal compiler arguments: | |
| -XXLanguage:-SuspendFunctionAsSupertype | |
| This mode is not recommended for production use, | |
| as no stability/compatibility guarantees are given on | |
| compiler or generated code. Use it at your own risk! | |
| compiler/testData/cli/jvm/languageVersion.kt:5:23: error: KSuspendFunctionN interfaces are not allowed as supertypes | |
| abstract class Some : KSuspendFunction0<Unit> | |
| ^^^^^^^^^^^^^^^^^^^^^^^ | |
| COMPILATION_ERROR |