Normative: Disallow ArrayBuffers bigger than 2**53

[dewren99]

Added an additional step to check if size is bigger than 2**53 as per #1032

I could create a test262 PR once the edit is approved.
Please let me know if any further changes are needed, thanks!

[dewren99]

I'm looking at the test262 repo and I see that there is a similar test at test/built-ins/ArrayBuffer/allocation-limit.js, however, it is set to throw RangeError at Math.pow(2, 53) - 1. The new normative change allows for Math.pow(2, 53) - 1 but not anything greater than that.

In this case, should I create a new testing js file for this behavior and delete the old file I mentioned above or edit the line to change it from Math.pow(2, 53) - 1 to Math.pow(2, 53) in the existing test file?

[michaelficarra]

@dewren99 I would update that test to only test Math.pow(2, 53) and Math.pow(2, 53) + 2. We can't reliably make any assertions about values less than that.

[michaelficarra]

Today, this PR received consensus.

[ptomato]

Test262 tests are in tc39/test262#3826.