error: this bound is already specified as the supertrait of `PartialOrd`
  --> $DIR/ice-11422.rs:6:31
   |
LL | fn gen() -> impl PartialOrd + PartialEq + Debug {}
   |                               ^^^^^^^^^
   |
   = note: `-D clippy::implied-bounds-in-impls` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::implied_bounds_in_impls)]`
help: try removing this bound
   |
LL - fn gen() -> impl PartialOrd + PartialEq + Debug {}
LL + fn gen() -> impl PartialOrd + Debug {}
   |

error: aborting due to previous error