tests/cases/compiler/inheritanceStaticAccessorOverridingProperty.ts(6,16): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. tests/cases/compiler/inheritanceStaticAccessorOverridingProperty.ts(9,16): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. ==== tests/cases/compiler/inheritanceStaticAccessorOverridingProperty.ts (2 errors) ==== class a { static x: string; } 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. } }