Created attachment 39718 [details]
When running a hardware-accelerated opacity transition on an inline, we hit an assertion at:
ASSERTION FAILED: !object || object->isBox()
(/Volumes/InternalData/Development/webkit/OpenSource/WebCore/rendering/RenderBox.h:382 WebCore::RenderBox* WebCore::toRenderBox(WebCore::RenderObject*))
Created attachment 39719 [details]
Comment on attachment 39719 [details]
r=me, although a comment in the code about why an empty size is being passed in might be helpful.
I added a comment.