https://en.wikipedia.org/wiki/Birbal has 3 references; https://en.wikipedia.org/wiki/Birbal?veaction=edit has 24.
They both have 21 references now. :P
I see there were three references around the time of the bug entry
We need to figure out how to make this problem reproducible.
(bug 50521 looks similar, and might provide some clues on how to cause the renderer to get into this odd state)