=== tests/cases/compiler/downlevelLetConst14.ts ===
'use strict'
>'use strict' : string

declare function use(a: any);
>use : (a: any) => any
>a : any

var x = 10;
>x : number
>10 : number

var z0, z1, z2, z3;
>z0 : any
>z1 : any
>z2 : any
>z3 : any
{
    let x = 20;
>x : number
>20 : number

    use(x);
>use(x) : any
>use : (a: any) => any
>x : number

    let [z0] = [1];
>z0 : number
>[1] : [number]
>1 : number

    use(z0);
>use(z0) : any
>use : (a: any) => any
>z0 : number

    let [z1] = [1]
>z1 : number
>[1] : [number]
>1 : number

    use(z1);
>use(z1) : any
>use : (a: any) => any
>z1 : number

    let {a: z2} = { a: 1 };
>a : any
>z2 : number
>{ a: 1 } : { a: number; }
>a : number
>1 : number

    use(z2);
>use(z2) : any
>use : (a: any) => any
>z2 : number

    let {a: z3} = { a: 1 };
>a : any
>z3 : number
>{ a: 1 } : { a: number; }
>a : number
>1 : number

    use(z3);
>use(z3) : any
>use : (a: any) => any
>z3 : number
}
use(x);
>use(x) : any
>use : (a: any) => any
>x : number

use(z0);
>use(z0) : any
>use : (a: any) => any
>z0 : any

use(z1);
>use(z1) : any
>use : (a: any) => any
>z1 : any

use(z2);
>use(z2) : any
>use : (a: any) => any
>z2 : any

use(z3);
>use(z3) : any
>use : (a: any) => any
>z3 : any

var z6;
>z6 : any

var y = true;
>y : boolean
>true : boolean
{
    let y = "";
>y : string
>"" : string

    let [z6] = [true]
>z6 : boolean
>[true] : [boolean]
>true : boolean
    {
        let y = 1;
>y : number
>1 : number

        let {a: z6} = {a: 1}
>a : any
>z6 : number
>{a: 1} : { a: number; }
>a : number
>1 : number

        use(y);
>use(y) : any
>use : (a: any) => any
>y : number

        use(z6);
>use(z6) : any
>use : (a: any) => any
>z6 : number
    }
    use(y);
>use(y) : any
>use : (a: any) => any
>y : string

    use(z6);
>use(z6) : any
>use : (a: any) => any
>z6 : boolean
}
use(y);
>use(y) : any
>use : (a: any) => any
>y : boolean

use(z6);
>use(z6) : any
>use : (a: any) => any
>z6 : any

var z = false;
>z : boolean
>false : boolean

var z5 = 1;
>z5 : number
>1 : number
{
    let z = "";
>z : string
>"" : string

    let [z5] = [5];
>z5 : number
>[5] : [number]
>5 : number
    {
        let _z = 1;
>_z : number
>1 : number

        let {a: _z5} = { a: 1 };
>a : any
>_z5 : number
>{ a: 1 } : { a: number; }
>a : number
>1 : number

        // try to step on generated name
        use(_z);
>use(_z) : any
>use : (a: any) => any
>_z : number
    }
    use(z);
>use(z) : any
>use : (a: any) => any
>z : string
}
use(y);
>use(y) : any
>use : (a: any) => any
>y : boolean