mirror of https://github.com/rust-lang/rust
37 lines
671 B
Rust
37 lines
671 B
Rust
// Test that immediate callers have to change when callee changes, but
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// not callers' callers.
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//@ incremental
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//@ compile-flags: -Z query-dep-graph
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#![feature(rustc_attrs)]
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#![allow(dead_code)]
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fn main() { }
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mod x {
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#[rustc_if_this_changed]
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pub fn x() { }
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}
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mod y {
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use x;
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// These dependencies SHOULD exist:
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#[rustc_then_this_would_need(typeck)] //~ ERROR OK
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pub fn y() {
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x::x();
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}
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}
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mod z {
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use y;
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// These are expected to yield errors, because changes to `x`
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// affect the BODY of `y`, but not its signature.
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#[rustc_then_this_would_need(typeck)] //~ ERROR no path
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pub fn z() {
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y::y();
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}
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}
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