==== tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithGenericCallSignatures4.ts (2 errors) ====
    // some complex cases of assignment compat of generic signatures.
    
    interface I2<T> {
        p: T
    }
    
    var x: <T extends I2<T>>(z: T) => void
            ~~~~~~~~~~~~~~~
!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
    var y: <T extends I2<I2<T>>>(z: T) => void
            ~~~~~~~~~~~~~~~~~~~
!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
    
    // These both do not make sense as we would eventually be comparing I2<T> to I2<I2<T>>, and they are self referencing anyway
    x = y 
    y = x