Update:
after some more intensive testing with the other file (production benchmark) I have to withdraw my initial fix report.
the production benchmark is not renderable on the gpu, even with 16x16 tiles, giving the initial error again.
But if the tiles get too big, the error changes to the "not enough memory" error.
however i was able to render the agent327 sucessfully with 128x128 tiles (at 100% of original res) which was impossible before.
sorry

UPDATE:
Yesterday I installed the newest Nvidia Driver: 385.69
this seemed to fix the crash.
agent 327 renders fine on gpu even with larger tile sizes (though 256x256 lead to blender crashing completely -> other topic)

hi, I can confirm this error too.
win 10 64 bit
gtx 1080 Overclocked at ~2100MHz when rendering with overclocked VRAM
blender 2.79

if it is already in discussion somewhere, i didn't find it as i searched the bug, sry
anyway, i found a other way to my goal, though,

sry that i didnt write all these comments in my post, but i just discovered something interesting:
it only crashes with textobjects, cubes or anything else works fine....

pls do not make up your minds about the comments, i forgot to delete them, as i came across this error wehn programming a game, hence the comments