error[E0391]: cycle detected when computing the bounds for type parameter `T`
  --> $DIR/cycle-projection-based-on-where-clause.rs:27:19
   |
LL |           T : Add<T::Item>
   |                   ^^^^^^^
   |
   = note: ...which again requires computing the bounds for type parameter `T`, completing the cycle
note: cycle used when processing `A`
  --> $DIR/cycle-projection-based-on-where-clause.rs:27:19
   |
LL |           T : Add<T::Item>
   |                   ^^^^^^^

error[E0220]: associated type `Item` not found for `T`
  --> $DIR/cycle-projection-based-on-where-clause.rs:27:19
   |
LL |           T : Add<T::Item>
   |                   ^^^^^^^ associated type `Item` not found

error: aborting due to 2 previous errors

Some errors occurred: E0220, E0391.
For more information about an error, try `rustc --explain E0220`.