error[E0720]: cannot resolve opaque type
  --> $DIR/issue-100075.rs:13:37
   |
LL | fn _g<T>(t: &'static T) -> &'static impl Marker {
   |                                     ^^^^^^^^^^^ recursive opaque type
...
LL |         return _g(t);
   |                ----- returning here with type `&impl Marker`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0720`.