File: normalize-alias-type.rs

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rustc 1.88.0%2Bdfsg1-1
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//@ check-pass
//@ compile-flags: -Z mir-opt-level=3
#![feature(type_alias_impl_trait)]
#![crate_type = "lib"]
pub trait Tr {
    fn get(&self) -> u32;
}

impl Tr for (u32,) {
    #[inline]
    fn get(&self) -> u32 {
        self.0
    }
}

pub fn tr1() -> impl Tr {
    (32,)
}

struct Inner {
    x: X,
}
impl Tr for Inner {
    fn get(&self) -> u32 {
        self.x.get()
    }
}

pub type X = impl Tr;

#[define_opaque(X)]
pub fn tr2() -> impl Tr {
    Inner { x: tr1() }
}