=== tests/cases/compiler/overloadOnConstConstraintChecks1.ts ===
class Base { foo() { } }
>Base : Base
>foo : () => void

class Derived1 extends Base { bar() { } }
>Derived1 : Derived1
>Base : Base
>bar : () => void

class Derived2 extends Base { baz() { } }
>Derived2 : Derived2
>Base : Base
>baz : () => void

class Derived3 extends Base { biz() { } }
>Derived3 : Derived3
>Base : Base
>biz : () => void

interface MyDoc { // Document
>MyDoc : MyDoc

    createElement(tagName: string): Base;
>createElement : { (tagName: string): Base; (tagName: 'canvas'): Derived1; (tagName: 'div'): Derived2; (tagName: 'span'): Derived3; }
>tagName : string
>Base : Base

    createElement(tagName: 'canvas'): Derived1;
>createElement : { (tagName: string): Base; (tagName: 'canvas'): Derived1; (tagName: 'div'): Derived2; (tagName: 'span'): Derived3; }
>tagName : 'canvas'
>Derived1 : Derived1

    createElement(tagName: 'div'): Derived2;
>createElement : { (tagName: string): Base; (tagName: 'canvas'): Derived1; (tagName: 'div'): Derived2; (tagName: 'span'): Derived3; }
>tagName : 'div'
>Derived2 : Derived2

    createElement(tagName: 'span'): Derived3;
>createElement : { (tagName: string): Base; (tagName: 'canvas'): Derived1; (tagName: 'div'): Derived2; (tagName: 'span'): Derived3; }
>tagName : 'span'
>Derived3 : Derived3

    // + 100 more
}

class D implements MyDoc {
>D : D
>MyDoc : MyDoc

    createElement(tagName:string): Base;
>createElement : { (tagName: string): Base; (tagName: 'canvas'): Derived1; (tagName: 'div'): Derived2; (tagName: 'span'): Derived3; }
>tagName : string
>Base : Base

    createElement(tagName: 'canvas'): Derived1;
>createElement : { (tagName: string): Base; (tagName: 'canvas'): Derived1; (tagName: 'div'): Derived2; (tagName: 'span'): Derived3; }
>tagName : 'canvas'
>Derived1 : Derived1

    createElement(tagName: 'div'): Derived2;
>createElement : { (tagName: string): Base; (tagName: 'canvas'): Derived1; (tagName: 'div'): Derived2; (tagName: 'span'): Derived3; }
>tagName : 'div'
>Derived2 : Derived2

    createElement(tagName: 'span'): Derived3;
>createElement : { (tagName: string): Base; (tagName: 'canvas'): Derived1; (tagName: 'div'): Derived2; (tagName: 'span'): Derived3; }
>tagName : 'span'
>Derived3 : Derived3

    createElement(tagName:any): Base {
>createElement : { (tagName: string): Base; (tagName: 'canvas'): Derived1; (tagName: 'div'): Derived2; (tagName: 'span'): Derived3; }
>tagName : any
>Base : Base

        return null;
    }
}