==== tests/cases/compiler/classdecl.ts (4 errors) ====
    class a {
        //constructor ();
        constructor (n: number);
        constructor (s: string);
        constructor (ns: any) {
    
        }
    
        public pgF() { }
    
        public pv;
        public get d() {
                   ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
            return 30;
        }
        public set d() {
                   ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
        }
    
        public static get p2() {
                          ~~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
            return { x: 30, y: 40 };
        }
    
        private static d2() {
        }
        private static get p3() {
                           ~~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
            return "string";
        }
        private pv3;
    
        private foo(n: number): string;
        private foo(s: string): string;
        private foo(ns: any) {
            return ns.toString();
        }
    }
    
    class b extends a {
    }
    
    module m1 {
        export class b {
        }
        class d {
        }
    
    
        export interface ib {
        }
    }
    
    module m2 {
    
        export module m3 {
            export class c extends b {
            }
            export class ib2 implements m1.ib {
            }
        }
    }
    
    class c extends m1.b {
    }
    
    class ib2 implements m1.ib {
    }
    
    declare class aAmbient {
        constructor (n: number);
        constructor (s: string);
        public pgF(): void;
        public pv;
        public d : number;
        static p2 : { x: number; y: number; };
        static d2();
        static p3;
        private pv3;
        private foo(s);
    }
    
    class d {
        private foo(n: number): string;
        private foo(s: string): string;
        private foo(ns: any) {
            return ns.toString();
        }    
    }
    
    class e {    
        private foo(s: string): string;
        private foo(n: number): string;
        private foo(ns: any) {
            return ns.toString();
        }
    }