==== tests/cases/compiler/recursiveIdenticalAssignment.ts (1 errors) ====
    interface A<T> {
        x: A<T>
    }
    
    interface B<T extends B<B<T>>> { // error, constraint referencing itself
                ~~~~~~~~~~~~~~~~~
!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
        x: B<T>
    }
    
    var a: A<A<any>>
    var b: B<B<any>> = a // Error, any does not satisfy constraint B<B<T>>