The workaround given is to disable the gpu sniffer until the fix is issued.
1. In the Photoshop CC folder, Ctrl-click on Adobe Photoshop CC.app
2. Choose "Show Package Contents" from the context menu.
3. Open the Contents > MacOS folder, look for "sniffer"
4. Keep that file, but rename it by placing a tilde in from of sniffer: ~sniffer
5. Close the finder and PS CC should launch normally.