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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// revisions: rpass1 rpass2
// compile-flags: -Z query-dep-graph
#![allow(warnings)]
#![feature(rustc_attrs)]
// Here the only thing which changes is the string constant in `x`.
// Therefore, the compiler deduces (correctly) that typeck is not
// needed even for callers of `x`.
//
// It is not entirely clear why `TransCrateItem` invalidates `y` and
// `z`, actually, I think it's because of the structure of
// trans. -nmatsakis
fn main() { }
mod x {
#[cfg(rpass1)]
pub fn x() {
println!("1");
}
#[cfg(rpass2)]
#[rustc_dirty(label="TypeckItemBody", cfg="rpass2")]
#[rustc_dirty(label="TransCrateItem", cfg="rpass2")]
pub fn x() {
println!("2");
}
}
mod y {
use x;
// FIXME(#35078) -- when body of `x` changes, we treat it as
// though signature changed.
#[rustc_dirty(label="TypeckItemBody", cfg="rpass2")]
#[rustc_dirty(label="TransCrateItem", cfg="rpass2")]
pub fn y() {
x::x();
}
}
mod z {
use y;
#[rustc_clean(label="TypeckItemBody", cfg="rpass2")]
#[rustc_clean(label="TransCrateItem", cfg="rpass2")]
pub fn z() {
y::y();
}
}
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