File: issue-26681.rs

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rustc 1.88.0%2Bdfsg1-1
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#![feature(associated_type_defaults)]

// This is a partial regression test for #26681, which used to fail to resolve
// `Self` in the assoc. constant, and now fails with a type mismatch because
// `Self::Fv` cannot be assumed to equal `u8` inside the trait.

trait Foo {
    type Bar;
}

impl Foo for u8 {
    type Bar = ();
}

trait Baz {
    type Fv: Foo = u8;
    const C: <Self::Fv as Foo>::Bar = 6665;  //~ error: mismatched types
}

fn main() {}