[webkit-reviews] review requested: [Bug 99890] Fix a hang when combining tile cache layers with preserve-3d or reflections : [Attachment 169728] Patch

[bugzilla-daemon at webkit.org]

Simon Fraser (smfr) <simon.fraser at apple.com> has asked	for review:
Bug 99890: Fix a hang when combining tile cache layers with preserve-3d or
reflections
https://bugs.webkit.org/show_bug.cgi?id=99890

Attachment 169728: Patch
https://bugs.webkit.org/attachment.cgi?id=169728&action=review