error[E0277]: the size for values of type `[isize]` cannot be known at compilation time
  --> $DIR/dst-bad-deep.rs:13:34
   |
LL |     let h: &Fat<Fat<[isize]>> = &Fat { ptr: *g };
   |                                  ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
   |
   = help: within `Fat<Fat<[isize]>>`, the trait `Sized` is not implemented for `[isize]`
note: required because it appears within the type `Fat<[isize]>`
  --> $DIR/dst-bad-deep.rs:6:8
   |
LL | struct Fat<T: ?Sized> {
   |        ^^^
   = note: structs must have a statically known size to be initialized

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.