==== tests/cases/conformance/classes/members/inheritanceAndOverriding/derivedClassFunctionOverridesBaseClassAccessor.ts (4 errors) ====
    class Base {
        get x() {
            ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
            return 1;
        }
        set x(v) {
            ~
!!! Accessors are only available when targeting ECMAScript 5 and higher.
        }
    }
    
    // error
    class Derived extends Base {
          ~~~~~~~
!!! Class 'Derived' incorrectly extends base class 'Base':
!!!   Types of property 'x' are incompatible:
!!!     Type '() => number' is not assignable to type 'number'.
        x() {
        ~
!!! Class 'Base' defines instance member accessor 'x', but extended class 'Derived' defines it as instance member function.
            return 1;
        }
    }