==== tests/cases/conformance/types/objectTypeLiteral/callSignatures/typeParameterUsedAsTypeParameterConstraint2.ts (18 errors) ====
    // Type parameters are in scope in their own and other type parameter lists
    // Nested local functions
    
    function foo<T, U extends T>(x: T, y: U) {
                    ~~~~~~~~~~~
!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
        function bar<V extends T, W extends U>() {
            function baz<X extends W, Y extends V>(a: X, b: Y): T {
                x = y;
                ~
!!! Type 'U' is not assignable to type 'T'.
                return y;
                       ~
!!! Type 'U' is not assignable to type 'T'.
            }
        }
    }
    
    function foo2<U extends T, T>(x: T, y: U) {
                  ~~~~~~~~~~~
!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
        function bar<V extends T, W extends U>() {
            function baz<X extends W, Y extends V>(a: X, b: Y): T {
                x = y;
                ~
!!! Type 'U' is not assignable to type 'T'.
                return y;
                       ~
!!! Type 'U' is not assignable to type 'T'.
            }
        }
    }
    
    var f = function <T, U extends T>(x: T, y: U) {
                         ~~~~~~~~~~~
!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
        function bar<V extends T, W extends U>() {
            var g = function <X extends W, Y extends V>(a: X, b: Y): T {
                x = y;
                ~
!!! Type 'U' is not assignable to type 'T'.
                return y;
                       ~
!!! Type 'U' is not assignable to type 'T'.
            }
        }
    }
    
    var f2 = function <U extends T, T>(x: T, y: U) {
                       ~~~~~~~~~~~
!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
        function bar<V extends T, W extends U>() {
            var g = function baz<X extends W, Y extends V>(a: X, b: Y): T {
                x = y;
                ~
!!! Type 'U' is not assignable to type 'T'.
                return y;
                       ~
!!! Type 'U' is not assignable to type 'T'.
            }
        }
    }
    
    var f3 = <T, U extends T>(x: T, y: U) => {
                 ~~~~~~~~~~~
!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
        function bar<V extends T, W extends U>() {
            var g = <X extends W, Y extends V>(a: X, b: Y): T => {
                x = y;
                ~
!!! Type 'U' is not assignable to type 'T'.
                return y;
                       ~
!!! Type 'U' is not assignable to type 'T'.
            }
        }
    }
    
    var f4 = <U extends T, T>(x: T, y: U) => {
              ~~~~~~~~~~~
!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
        function bar<V extends T, W extends U>() {
            var g = <X extends W, Y extends V>(a: X, b: Y): T => {
                x = y;
                ~
!!! Type 'U' is not assignable to type 'T'.
                return y;
                       ~
!!! Type 'U' is not assignable to type 'T'.
            }
        }
    }