Created attachment 39768 [details] Testcase The attached testcase shows a bug where items are misplaced during the opacity transition. What's special about this is that there's a zero-size item with a transform-origin, and a parent with clipping.
<rdar://problem/7235567>
Created attachment 39806 [details] Patch, testcase, changelog
Comment on attachment 39806 [details] Patch, testcase, changelog The style guidelines don't allow "!= 0". Please change that.
http://trac.webkit.org/changeset/48546 and http://trac.webkit.org/changeset/48547