tests/cases/compiler/fieldAndGetterWithSameName.ts(2,5): error TS2300: Duplicate identifier 'x'. tests/cases/compiler/fieldAndGetterWithSameName.ts(3,7): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. tests/cases/compiler/fieldAndGetterWithSameName.ts(3,7): error TS2300: Duplicate identifier 'x'. ==== tests/cases/compiler/fieldAndGetterWithSameName.ts (3 errors) ==== export class C { x: number; ~ !!! error TS2300: Duplicate identifier 'x'. get x(): number { return 1; } ~ !!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. ~ !!! error TS2300: Duplicate identifier 'x'. }