[webkit-reviews] review requested: [Bug 19801] add a feature so we can tell what regular expressions are taking time : [Attachment 21988] patch

[bugzilla-daemon at webkit.org]

Darin Adler <darin at apple.com> has asked  for review:
Bug 19801: add a feature so we can tell what regular expressions are taking
time
https://bugs.webkit.org/show_bug.cgi?id=19801

Attachment 21988: patch
https://bugs.webkit.org/attachment.cgi?id=21988&action=edit