tests/cases/compiler/inheritanceStaticAccessorOverridingAccessor.ts(2,16): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. tests/cases/compiler/inheritanceStaticAccessorOverridingAccessor.ts(5,16): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. tests/cases/compiler/inheritanceStaticAccessorOverridingAccessor.ts(11,16): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. tests/cases/compiler/inheritanceStaticAccessorOverridingAccessor.ts(14,16): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. ==== tests/cases/compiler/inheritanceStaticAccessorOverridingAccessor.ts (4 errors) ==== class a { static get x() { ~ !!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. return "20"; } static set x(aValue: string) { ~ !!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. } } class b extends a { static get x() { ~ !!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. return "20"; } static set x(aValue: string) { ~ !!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. } }