==== tests/cases/compiler/assertInWrapSomeTypeParameter.ts (2 errors) ====
    class C<T extends C<T>> {
            ~~~~~~~~~~~~~~
!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
        foo<U extends C<C<T>>(x: U) {
                             ~
!!! '>' expected.
            return null;
        }
    }