==== tests/cases/compiler/duplicateClassElements.ts (18 errors) ====
    class a {
        public a;
        public a;
               ~
!!! Duplicate identifier 'a'.
        public b() {
        }
        public b() {
        ~~~~~~~~~~~~
        }
    ~~~~~
!!! Duplicate function implementation.
        public x;
        get x() {
            ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
            ~
!!! Duplicate identifier 'x'.
            return 10;
        }
        set x(_x: number) {
            ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
            ~
!!! Duplicate identifier 'x'.
        }
    
        get y() {
            ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
            return "Hello";
        }
        set y(_y: string) {
            ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
        }
    
        public z() {
        }
        get z() {
            ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
            ~
!!! Duplicate identifier 'z'.
            return "Hello";
        }
        set z(_y: string) {
            ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
            ~
!!! Duplicate identifier 'z'.
        }
    
        get x2() {
            ~~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
            return 10;
        }
        set x2(_x: number) {
            ~~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
        }
        public x2;
               ~~
!!! Duplicate identifier 'x2'.
    
        get z2() {
            ~~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
            return "Hello";
        }
        set z2(_y: string) {
            ~~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
        }
        public z2() {
               ~~
!!! Duplicate identifier 'z2'.
        }
    
    }