Linus Groh 83f61748a5 LibJS: Don't treat 2^32 - 1 as numeric PropertyName ...

10.4.2 Array Exotic Objects
    https://tc39.es/ecma262/#sec-array-exotic-objects

    A String property name P is an array index if and only if
    ToString(ToUint32(P)) equals P and ToUint32(P) is not the same value
    as 𝔽(2^32 - 1).

2021-07-06 17:29:12 +01:00

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