=== tests/cases/conformance/es6/computedProperties/computedPropertyNames48_ES5.ts ===
declare function extractIndexer<T>(p: { [n: number]: T }): T;
>extractIndexer : <T>(p: { [n: number]: T; }) => T
>T : T
>p : { [n: number]: T; }
>n : number
>T : T
>T : T

enum E { x }
>E : E
>x : E

var a: any;
>a : any

extractIndexer({
>extractIndexer({    [a]: ""}) : string
>extractIndexer : <T>(p: { [n: number]: T; }) => T
>{    [a]: ""} : { [x: number]: string; }

    [a]: ""
>a : any
>"" : string

}); // Should return string

extractIndexer({
>extractIndexer({    [E.x]: ""}) : string
>extractIndexer : <T>(p: { [n: number]: T; }) => T
>{    [E.x]: ""} : { [x: number]: string; }

    [E.x]: ""
>E.x : E
>E : typeof E
>x : E
>"" : string

}); // Should return string

extractIndexer({
>extractIndexer({    ["" || 0]: ""}) : any
>extractIndexer : <T>(p: { [n: number]: T; }) => T
>{    ["" || 0]: ""} : { [x: number]: undefined; }

    ["" || 0]: ""
>"" || 0 : string | number
>"" : string
>0 : number
>"" : string

}); // Should return any (widened form of undefined)