=== tests/cases/conformance/types/typeRelationships/typeAndMemberIdentity/typeParametersAreIdenticalToThemselves.ts ===
// type parameters from the same declaration are identical to themself

function foo1<T>(x: T);
>foo1 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

function foo1<T>(x: T); // no error, different declaration for each T
>foo1 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

function foo1<T>(x: T) { }
>foo1 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

function foo2<T, U>(x: T);
>foo2 : { <T, U>(x: T): any; <T, U>(x: T): any; }
>T : T
>U : U
>x : T
>T : T

function foo2<T, U>(x: T); // no error, different declaration for each T
>foo2 : { <T, U>(x: T): any; <T, U>(x: T): any; }
>T : T
>U : U
>x : T
>T : T

function foo2<T, U>(x: T) { }
>foo2 : { <T, U>(x: T): any; <T, U>(x: T): any; }
>T : T
>U : U
>x : T
>T : T

function foo3<T, U>(x: T, y: U) {
>foo3 : <T, U>(x: T, y: U) => void
>T : T
>U : U
>x : T
>T : T
>y : U
>U : U

    function inner(x: T);
>inner : { (x: T): any; (x: T): any; }
>x : T
>T : T

    function inner(x: T); // error, same T
>inner : { (x: T): any; (x: T): any; }
>x : T
>T : T

    function inner(x: T) { }
>inner : { (x: T): any; (x: T): any; }
>x : T
>T : T

    function inner2(x: T);
>inner2 : { (x: T): any; <T>(x: T): any; }
>x : T
>T : T

    function inner2<T>(x: T); // no error, different T
>inner2 : { (x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

    function inner2(x: any) { }
>inner2 : { (x: T): any; <T>(x: T): any; }
>x : any
}

class C<T> {
>C : C<T>
>T : T

    foo1(x: T);
>foo1 : { (x: T): any; (x: T): any; }
>x : T
>T : T

    foo1(x: T); // error, same T
>foo1 : { (x: T): any; (x: T): any; }
>x : T
>T : T

    foo1(x: T) { }
>foo1 : { (x: T): any; (x: T): any; }
>x : T
>T : T

    foo2<U>(a: T, x: U);
>foo2 : { <U>(a: T, x: U): any; <U>(a: T, x: U): any; }
>U : U
>a : T
>T : T
>x : U
>U : U

    foo2<U>(a: T, x: U); // no error, different declaration for each U
>foo2 : { <U>(a: T, x: U): any; <U>(a: T, x: U): any; }
>U : U
>a : T
>T : T
>x : U
>U : U

    foo2<U>(a: T, x: U) { }
>foo2 : { <U>(a: T, x: U): any; <U>(a: T, x: U): any; }
>U : U
>a : T
>T : T
>x : U
>U : U

    foo3<T>(x: T);
>foo3 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

    foo3<T>(x: T); // no error, different declaration for each T
>foo3 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

    foo3<T>(x: T) { }
>foo3 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

    foo4<T extends Date>(x: T);
>foo4 : { <T extends Date>(x: T): any; <T extends Date>(x: T): any; }
>T : T
>Date : Date
>x : T
>T : T

    foo4<T extends Date>(x: T); // no error, different declaration for each T
>foo4 : { <T extends Date>(x: T): any; <T extends Date>(x: T): any; }
>T : T
>Date : Date
>x : T
>T : T

    foo4<T extends Date>(x: T) { }
>foo4 : { <T extends Date>(x: T): any; <T extends Date>(x: T): any; }
>T : T
>Date : Date
>x : T
>T : T
}

class C2<T extends Date> {
>C2 : C2<T>
>T : T
>Date : Date

    foo1(x: T);
>foo1 : { (x: T): any; (x: T): any; }
>x : T
>T : T

    foo1(x: T); // error, same T
>foo1 : { (x: T): any; (x: T): any; }
>x : T
>T : T

    foo1(x: T) { }
>foo1 : { (x: T): any; (x: T): any; }
>x : T
>T : T

    foo2<U>(a: T, x: U);
>foo2 : { <U>(a: T, x: U): any; <U>(a: T, x: U): any; }
>U : U
>a : T
>T : T
>x : U
>U : U

    foo2<U>(a: T, x: U); // no error, different declaration for each U
>foo2 : { <U>(a: T, x: U): any; <U>(a: T, x: U): any; }
>U : U
>a : T
>T : T
>x : U
>U : U

    foo2<U>(a: T, x: U) { }
>foo2 : { <U>(a: T, x: U): any; <U>(a: T, x: U): any; }
>U : U
>a : T
>T : T
>x : U
>U : U

    foo3<T>(x: T);
>foo3 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

    foo3<T>(x: T); // no error, different declaration for each T
>foo3 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

    foo3<T>(x: T) { }
>foo3 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T
}

interface I<T> {
>I : I<T>
>T : T

    foo1(x: T);
>foo1 : { (x: T): any; (x: T): any; }
>x : T
>T : T

    foo1(x: T); // error, same T
>foo1 : { (x: T): any; (x: T): any; }
>x : T
>T : T

    foo2<U>(a: T, x: U);
>foo2 : { <U>(a: T, x: U): any; <U>(a: T, x: U): any; }
>U : U
>a : T
>T : T
>x : U
>U : U

    foo2<U>(a: T, x: U); // no error, different declaration for each U
>foo2 : { <U>(a: T, x: U): any; <U>(a: T, x: U): any; }
>U : U
>a : T
>T : T
>x : U
>U : U

    foo3<T>(x: T);
>foo3 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

    foo3<T>(x: T); // no error, different declaration for each T
>foo3 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

    foo4<T extends Date>(x: T);
>foo4 : { <T extends Date>(x: T): any; <T extends Date>(x: T): any; }
>T : T
>Date : Date
>x : T
>T : T

    foo4<T extends Date>(x: T); // no error, different declaration for each T
>foo4 : { <T extends Date>(x: T): any; <T extends Date>(x: T): any; }
>T : T
>Date : Date
>x : T
>T : T
}

interface I2<T extends Date> {
>I2 : I2<T>
>T : T
>Date : Date

    foo1(x: T);
>foo1 : { (x: T): any; (x: T): any; }
>x : T
>T : T

    foo1(x: T); // error, same T
>foo1 : { (x: T): any; (x: T): any; }
>x : T
>T : T

    foo2<U>(a: T, x: U);
>foo2 : { <U>(a: T, x: U): any; <U>(a: T, x: U): any; }
>U : U
>a : T
>T : T
>x : U
>U : U

    foo2<U>(a: T, x: U); // no error, different declaration for each U
>foo2 : { <U>(a: T, x: U): any; <U>(a: T, x: U): any; }
>U : U
>a : T
>T : T
>x : U
>U : U

    foo3<T>(x: T);
>foo3 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T

    foo3<T>(x: T); // no error, different declaration for each T
>foo3 : { <T>(x: T): any; <T>(x: T): any; }
>T : T
>x : T
>T : T
}