File: issue-8783.rs

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//@ run-pass
#![allow(unused_variables)]
//@ pretty-expanded FIXME #23616

struct X { pub x: usize }
impl Default for X {
    fn default() -> X {
        X { x: 42 }
    }
}

struct Y<T> { pub y: T }
impl<T: Default> Default for Y<T> {
    fn default() -> Y<T> {
        Y { y: Default::default() }
    }
}

fn main() {
    let X { x: _ } = Default::default();
    let Y { y: X { x } } = Default::default();
}