-- Common --
Exit code: OK
Output:

-- JVM --
Exit code: COMPILATION_ERROR
Output:
compiler/testData/multiplatform/classScopes/functionIncorrectSignatureFromSuperclass/jvm.kt:5:14: error: actual class 'Foo' has no corresponding members for expected class members:

    public final expect fun function(b: ByteArray): Int

    The following declaration is incompatible because return type is different:
        public final fun function(b: ByteArray): Long

actual class Foo : Base()
             ^
