[webkit-reviews] review requested: [Bug 81074] Region can acquire an empty span by subtracting an empty Region : [Attachment 131779] Patch

[bugzilla-daemon at webkit.org]

Dana Jansens <danakj at chromium.org> has asked  for review:
Bug 81074: Region can acquire an empty span by subtracting an empty Region
https://bugs.webkit.org/show_bug.cgi?id=81074

Attachment 131779: Patch
https://bugs.webkit.org/attachment.cgi?id=131779&action=review