==== tests/cases/compiler/callOverloads1.ts (3 errors) ====
    class Foo {    
        bar1() { /*WScript.Echo("bar1");*/ }
    
        constructor(x: any) {
            // WScript.Echo("Constructor function has executed");
        }
    }
    
    function Foo(); // error
             ~~~
!!! Function implementation is missing or not immediately following the declaration.
             ~~~
!!! Duplicate identifier 'Foo'.
    function F1(s:string);
    function F1(a:any) { return a;}
    
    var f1 = new Foo("hey");
    
    
    f1.bar1();
    Foo();
    ~~~~~
!!! Value of type 'typeof Foo' is not callable. Did you mean to include 'new'?