[webkit-reviews] review requested: [Bug 12440] repaints inconsistent or draw incorrect with fixed position elements : [Attachment 29344] Better patch that doesn't turn off the optimization.

[bugzilla-daemon at webkit.org]

Dave Hyatt <hyatt at apple.com> has asked	for review:
Bug 12440: repaints inconsistent or draw incorrect with fixed position elements
https://bugs.webkit.org/show_bug.cgi?id=12440

Attachment 29344: Better patch that doesn't turn off the optimization.
https://bugs.webkit.org/attachment.cgi?id=29344&action=review