error: unconstrained generic constant
  --> $DIR/issue-84659.rs:9:15
   |
LL |     type Baz: Bar<{ Self::N }>;
   |               ^^^^^^^^^^^^^^^^
   |
help: try adding a `where` bound
   |
LL |     type Baz: Bar<{ Self::N }> where [(); { Self::N }]:;
   |                                ++++++++++++++++++++++++

error: aborting due to 1 previous error