1 //~ ERROR cycle detected when computing layout of `core::option::Option<S>`
2 //~| NOTE ...which requires computing layout of `S`...
3 //~| NOTE ...which requires computing layout of `core::option::Option<<S as Mirror>::It>`...
4 //~| NOTE ...which again requires computing layout of `core::option::Option<S>`, completing the cycle
5 //~| NOTE cycle used when computing layout of `core::option::Option<<S as Mirror>::It>`
10 impl<T: ?Sized> Mirror for T {
13 struct S(Option<<S as Mirror>::It>);