error: unconstrained generic constant
  --> $DIR/variance-associated-consts.rs:14:12
   |
LL |     field: [u8; <T as Trait>::Const]
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: try adding a `where` bound
   |
LL | struct Foo<T: Trait> where [(); <T as Trait>::Const]: {
   |                      ++++++++++++++++++++++++++++++++

error: [T: o]
  --> $DIR/variance-associated-consts.rs:13:1
   |
LL | struct Foo<T: Trait> {
   | ^^^^^^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors