-- Common --
Exit code: OK
Output:

-- JVM --
Exit code: COMPILATION_ERROR
Output:
compiler/testData/multiplatform/weakIncompatibilityWithoutActualModifier/jvm.kt:1:1: error: interface 'Foo' has no corresponding expected declaration
The following declaration is incompatible because class kinds are different (class, interface, object, enum, annotation):
    public final expect class Foo

interface Foo
^