It isn't often where you'd see a search result show up in Google without a title to click on. But he spotted one for a search on keyword tool, which returns a google.com URL. I was not able to replicate it, but he provided a picture:
He said he has this issue on Minefield (Firefox 4.0b8pre) while searching in the UK. It is likely a browser bug and not a Google bug, but I thought it was cool enough to show.
Forum discussion at WebmasterWorld.