Domenic Denicola wrote:
From: es-discuss [mailto:es-discuss-boun...@mozilla.org] On Behalf Of Adam Klein
> Is there any reason not to specify some precondition checking in these
algorithms and spec them to throw the RangeError without interacting with the
elements of the array if it's known a priori that the resulting length will be>
2^32-1?
ES6 adjusted the length limit upward to 2^53 - 1, IIRC...
And yet Adam cited the draft ES6 HTML-formatted spec.
Seems like two problems:
* Error-checking after mutating -- in this case in ArraySetLength from
Array [[DefineOwnProperty]] from Put 7(b)(v)(3) in 22.1.3.28 -- buried!
* The lack of 53-bit indexes, but isn't this waiting for a VM to try and
see what breaks? Cc'ing Allen.
Buggy engines too, but perhaps their maintainers will want to wait a bit
before fixing ;-).
/be
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