[webkit-reviews] review requested: [Bug 66571] Keep track of topCallFrame for Stack traces : [Attachment 105028] new and improved patch

[bugzilla-daemon at webkit.org]

Juan C. Montemayor <jmont at apple.com> has asked	for review:
Bug 66571: Keep track of topCallFrame for Stack traces
https://bugs.webkit.org/show_bug.cgi?id=66571

Attachment 105028: new and improved patch
https://bugs.webkit.org/attachment.cgi?id=105028&action=review

------- Additional Comments from Juan C. Montemayor <jmont at apple.com>
Removed some assert statements. I included some perfromance test results that I
ran yesterday/today. It looks like no measurable speed regression was
introduced by this patch.