//@ known-bug: #116519
#![feature(generic_const_exprs)]

trait Ret {
    type R;
}

struct Cond<const PRED: bool, U, V>(std::marker::PhantomData<U>, );

struct RobinHashTable<
    const MAX_LENGTH: usize,
    CellIdx = <Cond<{  }, u16, u32> as Ret>::R,
> {}

impl<CellIdx> HashMapBase<CellIdx> for RobinHashTable<MAX_LENGTH, CellIdx> {}