=== tests/cases/conformance/es6/computedProperties/computedPropertyNames48_ES6.ts ===
declare function extractIndexer<T>(p: { [n: number]: T }): T;
>extractIndexer : Symbol(extractIndexer, Decl(computedPropertyNames48_ES6.ts, 0, 0))
>T : Symbol(T, Decl(computedPropertyNames48_ES6.ts, 0, 32))
>p : Symbol(p, Decl(computedPropertyNames48_ES6.ts, 0, 35))
>n : Symbol(n, Decl(computedPropertyNames48_ES6.ts, 0, 41))
>T : Symbol(T, Decl(computedPropertyNames48_ES6.ts, 0, 32))
>T : Symbol(T, Decl(computedPropertyNames48_ES6.ts, 0, 32))

enum E { x }
>E : Symbol(E, Decl(computedPropertyNames48_ES6.ts, 0, 61))
>x : Symbol(E.x, Decl(computedPropertyNames48_ES6.ts, 2, 8))

var a: any;
>a : Symbol(a, Decl(computedPropertyNames48_ES6.ts, 4, 3))

extractIndexer({
>extractIndexer : Symbol(extractIndexer, Decl(computedPropertyNames48_ES6.ts, 0, 0))

    [a]: ""
>a : Symbol(a, Decl(computedPropertyNames48_ES6.ts, 4, 3))

}); // Should return string

extractIndexer({
>extractIndexer : Symbol(extractIndexer, Decl(computedPropertyNames48_ES6.ts, 0, 0))

    [E.x]: ""
>E.x : Symbol(E.x, Decl(computedPropertyNames48_ES6.ts, 2, 8))
>E : Symbol(E, Decl(computedPropertyNames48_ES6.ts, 0, 61))
>x : Symbol(E.x, Decl(computedPropertyNames48_ES6.ts, 2, 8))

}); // Should return string

extractIndexer({
>extractIndexer : Symbol(extractIndexer, Decl(computedPropertyNames48_ES6.ts, 0, 0))

    ["" || 0]: ""
}); // Should return any (widened form of undefined)