File: issue-22037.rs

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rustc 1.85.0%2Bdfsg3-1
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trait A {
    type Output;
    fn a(&self) -> <Self as A>::X;
    //~^ ERROR cannot find associated type `X` in trait `A`
}

impl A for u32 {
    type Output = u32;
    fn a(&self) -> u32 {
        0
    }
}

fn main() {
    let a: u32 = 0;
    let b: u32 = a.a();
}