rust/src/test/ui/nll/normalization-bounds.rs

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// Check that lifetime bounds get checked the right way around with NLL enabled.
//run-pass
trait Visitor<'d> {
type Value;
}
impl<'a, 'd: 'a> Visitor<'d> for &'a () {
type Value = ();
}
fn visit_seq<'d: 'a, 'a>() -> <&'a () as Visitor<'d>>::Value {}
fn main() {}