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// Regression test for #42602. It used to be that we had
// a dep-graph like
//
// typeck(foo) -> FnOnce -> typeck(bar)
//
// This was fixed by improving the resolution of the `FnOnce` trait
// selection node.
//@ revisions:cfail1 cfail2 cfail3
//@ compile-flags:-Zquery-dep-graph
//@ build-pass (FIXME(62277): could be check-pass?)
#![feature(rustc_attrs)]
fn main() {
a::foo();
b::bar();
}
mod a {
#[cfg(cfail1)]
pub fn foo() {
let x = vec![1, 2, 3];
let v = || ::std::mem::drop(x);
v();
}
#[cfg(not(cfail1))]
pub fn foo() {
let x = vec![1, 2, 3, 4];
let v = || ::std::mem::drop(x);
v();
}
}
mod b {
#[rustc_clean(cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
pub fn bar() {
let x = vec![1, 2, 3];
let v = || ::std::mem::drop(x);
v();
}
}
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