rust/tests/ui/nll/issue-61311-normalize.rs

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// Regression test for #61311
// We would ICE after failing to normalize `Self::Proj` in the `impl` below.
// check-pass
pub struct Unit;
trait Obj {}
trait Bound {}
impl Bound for Unit {}
pub trait HasProj {
type Proj;
}
impl<T> HasProj for T {
type Proj = Unit;
}
trait HasProjFn {
type Proj;
fn the_fn(_: Self::Proj);
}
impl HasProjFn for Unit
where
Box<dyn Obj + 'static>: HasProj,
<Box<dyn Obj + 'static> as HasProj>::Proj: Bound,
{
type Proj = Unit;
fn the_fn(_: Self::Proj) {}
}
fn main() {}