File: normalize-param-env-1.rs

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//@ check-pass
//@ compile-flags: -Znext-solver
// Issue 108933

trait Add<Rhs> {
    type Sum;
}

impl Add<()> for () {
    type Sum = ();
}

type Unit = <() as Add<()>>::Sum;

trait Trait<C> {
    type Output;
}

fn f<T>()
where
    T: Trait<()>,
    <T as Trait<()>>::Output: Sized,
{
}

fn g<T>()
where
    T: Trait<Unit>,
    <T as Trait<()>>::Output: Sized,
{
}

fn h<T>()
where
    T: Trait<()>,
    <T as Trait<Unit>>::Output: Sized,
{
}

fn main() {}