=== tests/cases/conformance/es6/Symbols/symbolType19.ts ===
enum E { }
>E : E

var x: symbol | E;
>x : symbol | E
>E : E

x;
>x : symbol | E

if (typeof x === "number") {
>typeof x === "number" : boolean
>typeof x : string
>x : symbol | E

    x;
>x : E
}
else {
    x;
>x : symbol
}