Duh, that should be obvious. The only reason they would have failed is if they were DOA or smoked when I plugged them in or something else was defective or the lamp fell over; bulbs that are supposed to last tens or hundreds of thousands of hours that I put in this year haven't had time to fail.
CFLs are different - they've been out a few years now, and I've had plenty of them fail, and worried about whether dead ones break before I get them out of the house and over to the recyclers.
My most recent not-really-energy-saving bulbs failed in 2-3 months. They were little red night-light bulbs from the dollar store post-Christmas discount, and one can argue that they're "energy-saving" because they're only a few watts (3 or 10 or something), but they were incandescents, not LEDs, so they're really not. I've replaced a couple of them with LEDs that haven't failed yet.