compiler/testData/experimental/jsExperimentalModule/usage.kt:5:15: error: this declaration is experimental and its usage must be marked with '@lib.ExperimentalAPI'
fun fail(foo: Foo) {
              ^
compiler/testData/experimental/jsExperimentalModule/usage.kt:6:5: error: this declaration is experimental and its usage must be marked with '@lib.ExperimentalAPI'
    bar()
    ^
COMPILATION_ERROR