@Kamazyka spotted a weird case where Google displayed a search result on the desktop results with the same title tag, same meta description (snippet) but different breadcrumb trails and it goes to completely different content.
One page takes you to a page about clearing your cache and cookies, the desktop version takes you to the proper content.
Here are pictures:
Google's John Mueller said on Twitter that this is "something broader" and by that, he seems to think a more widespread bug with how Google handles certain pages.
@Kamazyka @methode Yes, it seems to have been something broader -- thanks for flagging!
— John Mueller (@JohnMu) July 2, 2015
He may have found a pretty widespread search bug.
Forum discussion at Twitter.