Created attachment 280324 [details]
When specifying border-top-left-radius (or any other border-radius option), with different width and height, the arc is not fully shown. When you open the attached file you can see that a small piece of the border is missing between the left and top sections.
Created attachment 280325 [details]
Screenshot of WebKit
Created attachment 280327 [details]
Screenshot of Chrome
clipBorderSidePolygon() is clipping incorrectly.
Created attachment 280864 [details]
Comment on attachment 280864 [details]
Clearing flags on attachment: 280864
Committed r201868: <http://trac.webkit.org/changeset/201868>
All reviewed patches have been landed. Closing bug.