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// Copyright 2012-2014 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.
// Test that immediate callers have to change when callee changes, but
// not callers' callers.
// compile-flags: -Z query-dep-graph
#![feature(rustc_attrs)]
#![allow(dead_code)]
fn main() { }
mod x {
#[rustc_if_this_changed]
pub fn x() { }
}
mod y {
use x;
// These dependencies SHOULD exist:
#[rustc_then_this_would_need(TypeckTables)] //~ ERROR OK
pub fn y() {
x::x();
}
}
mod z {
use y;
// These are expected to yield errors, because changes to `x`
// affect the BODY of `y`, but not its signature.
#[rustc_then_this_would_need(TypeckTables)] //~ ERROR no path
pub fn z() {
y::y();
}
}
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