File: hello_world.rs

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//@ revisions: rpass1 rpass2
//@ compile-flags: -Z query-dep-graph

#![allow(warnings)]
#![feature(rustc_attrs)]

fn main() { }

mod x {
    #[cfg(rpass1)]
    pub fn xxxx() -> i32 {
        1
    }

    #[cfg(rpass2)]
    pub fn xxxx() -> i32 {
        2
    }
}

mod y {
    use x;

    #[rustc_clean(cfg="rpass2")]
    pub fn yyyy() {
        x::xxxx();
    }
}

mod z {
    use y;

    #[rustc_clean(cfg="rpass2")]
    pub fn z() {
        y::yyyy();
    }
}