[v8-dev] Re: Fixed Array.prototype.reverse() behavior when array is frozen or array elements are not writable an… (issue 10453009)

[mstarzinger]

This patch is functionally correct, but it looks like it is introducing a  
huge
overhead into the inner loop of Array.prototype.reverse() using
Object.getOwnPropertyDescriptor() is too expensive for these checks. We  
need to
find a more efficient way.
https://chromiumcodereview.appspot.com/10453009/

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