ices/63355.rs: fixed with errors

=== stdout ===
=== stderr ===
error[E0271]: type mismatch resolving `<() as Bar>::Foo == ()`
  --> /home/runner/work/glacier/glacier/ices/63355.rs:30:20
   |
29 | pub type FooImpl = impl Foo;
   |                    -------- the expected opaque type
30 | pub type BarImpl = impl Bar<Foo = FooImpl>;
   |                    ^^^^^^^^^^^^^^^^^^^^^^^ expected opaque type, found `()`
   |
   = note: expected opaque type `impl Foo`
                found unit type `()`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0271`.
==============

Author: rustbot