controlFlowBindingPatternOrder.ts(10,11): error TS2322: Type '0 | 9' is not assignable to type '9'.
  Type '0' is not assignable to type '9'.
controlFlowBindingPatternOrder.ts(25,11): error TS2322: Type '0 | 9 | 8' is not assignable to type '0 | 8'.
  Type '9' is not assignable to type '0 | 8'.


==== controlFlowBindingPatternOrder.ts (2 errors) ====
    // https://github.com/microsoft/TypeScript/pull/41094#issuecomment-716044363
    {
        let a: 0 | 1 = 0;
        const [{ [(a = 1)]: b } = [9, a] as const] = [];
        const bb: 0 = b;
    }
    {
        let a: 0 | 1 = 1;
        const [{ [a]: b } = [9, a = 0] as const] = [];
        const bb: 9 = b;
              ~~
!!! error TS2322: Type '0 | 9' is not assignable to type '9'.
!!! error TS2322:   Type '0' is not assignable to type '9'.
    }
    {
        let a: 0 | 1 | 2 = 1;
        const [{ [a]: b } = [9, a = 0, 5] as const] = [];
        const bb: 0 | 9 = b;
    }
    {
        let a: 0 | 1 = 0;
        const [{ [(a = 1)]: b } = [9, a] as const] = [[9, 8] as const];
        const bb: 0 | 8 = b;
    }
    {
        let a: 0 | 1 = 1;
        const [{ [a]: b } = [a = 0, 9] as const] = [[8, 9] as const];
        const bb: 0 | 8 = b;
              ~~
!!! error TS2322: Type '0 | 9 | 8' is not assignable to type '0 | 8'.
!!! error TS2322:   Type '9' is not assignable to type '0 | 8'.
    }