src/test/ui/recursion/issue-26548-recursion-via-normalize.stderr

   1 error[E0391]: cycle detected when computing layout of `S`
   2    |
   3    = note: ...which requires computing layout of `std::option::Option<<S as Mirror>::It>`...
   4    = note: ...which requires computing layout of `std::option::Option<S>`...
   5    = note: ...which again requires computing layout of `S`, completing the cycle
   6    = note: cycle used when computing layout of `std::option::Option<S>`
   7
   8 error: aborting due to previous error
   9
  10 For more information about this error, try `rustc --explain E0391`.