//@noUnusedLocals:true
//@noUnusedParameters:true

switch (1) {
    case 0:
        let x;
        break;
    case 1:
        const c = 1;
        break;
    default:
        let z = 2;
}


switch (2) {
    case 0:
        let x;
    case 1:
        x++;
}