src/test/ui/issues/issue-72554.stderr

   1 error[E0072]: recursive type `ElemDerived` has infinite size
   2   --> $DIR/issue-72554.rs:4:1
   3    |
   4 LL | pub enum ElemDerived {
   5    | ^^^^^^^^^^^^^^^^^^^^ recursive type has infinite size
   6 ...
   7 LL |     A(ElemDerived)
   8    |       ----------- recursive without indirection
   9    |
  10 help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `ElemDerived` representable
  11    |
  12 LL |     A(Box<ElemDerived>)
  13    |       ++++           +
  14
  15 error[E0391]: cycle detected when computing drop-check constraints for `ElemDerived`
  16   --> $DIR/issue-72554.rs:4:1
  17    |
  18 LL | pub enum ElemDerived {
  19    | ^^^^^^^^^^^^^^^^^^^^
  20    |
  21    = note: ...which immediately requires computing drop-check constraints for `ElemDerived` again
  22 note: cycle used when computing drop-check constraints for `Elem`
  23   --> $DIR/issue-72554.rs:11:1
  24    |
  25 LL | pub enum Elem {
  26    | ^^^^^^^^^^^^^
  27
  28 error: aborting due to 2 previous errors
  29
  30 Some errors have detailed explanations: E0072, E0391.
  31 For more information about an error, try `rustc --explain E0072`.