[webkit-reviews] review requested: [Bug 25202] Improve performance of repeated callbacks into the VM : [Attachment 29490] Call caching

[bugzilla-daemon at webkit.org]

Oliver Hunt <oliver at apple.com> has asked  for review:
Bug 25202: Improve performance of repeated callbacks into the VM
https://bugs.webkit.org/show_bug.cgi?id=25202

Attachment 29490: Call caching
https://bugs.webkit.org/attachment.cgi?id=29490&action=review

------- Additional Comments from Oliver Hunt <oliver at apple.com>
Implement basic infrastructure for vm reentry caching, use
Array.prototype.filter as the test implementation.