error: extern type bounds are not implemented yet
 --> $DIR/extern_type_bound.rs:4:22
  |
4 |         type Opaque: PartialEq + PartialOrd;
  |                      ^^^^^^^^^^^^^^^^^^^^^^

error: unsupported trait
  --> $DIR/extern_type_bound.rs:11:22
   |
11 |         type Opaque: for<'de> Deserialize<'de>;
   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^
