error: unconstrained generic constant
  --> $DIR/evaluatable-bounds.rs:16:5
   |
LL |     const ARRAY: [i32; Self::LEN];
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: try adding a `where` bound
   |
LL |     const ARRAY: [i32; Self::LEN] where [(); Self::LEN]:;
   |                                   ++++++++++++++++++++++

error: aborting due to 1 previous error