//# publish
module 0x42.A {
    public foo() {
    label b0:
        return;
    }
}

//# publish
module 0x42.B {
    import 0x42.A;
    public foo() {
    label b0:
        A.foo();
        return;
    }
}

//# publish
module 0x42.C {
    // cannot have a dep as a friend
    friend 0x42.A;
    import 0x42.B;
    public foo() {
    label b0:
        B.foo();
        return;
    }
}