warning: ATTENTION! This build uses unsafe internal compiler arguments: -XXLanguage:+NewInference 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/newInferenceImpliesSamConversions.kt:1:9: warning: parameter 'r' is never used fun foo(r: Runnable) {} ^ OK