tests/cases/conformance/override/override6.ts(9,12): error TS4114: This member must have an 'override' modifier because it overrides a member in the base class 'B'. tests/cases/conformance/override/override6.ts(10,17): error TS4115: This parameter property must be rewritten as a property declaration with an 'override' modifier because it overrides a member in base class 'B'. tests/cases/conformance/override/override6.ts(10,37): error TS4115: This parameter property must be rewritten as a property declaration with an 'override' modifier because it overrides a member in base class 'B'. ==== tests/cases/conformance/override/override6.ts (3 errors) ==== class B { public baz: number = 1; constructor(public foo: string, public bar: number) { } } class D extends B { public bar: number = 1 ~~~ !!! error TS4114: This member must have an 'override' modifier because it overrides a member in the base class 'B'. constructor(public foo: string, public baz: number) { ~~~~~~~~~~~~~~~~~~ !!! error TS4115: This parameter property must be rewritten as a property declaration with an 'override' modifier because it overrides a member in base class 'B'. ~~~~~~~~~~~~~~~~~~ !!! error TS4115: This parameter property must be rewritten as a property declaration with an 'override' modifier because it overrides a member in base class 'B'. super(foo, 42) } }