https://bugs.freedesktop.org/show_bug.cgi?id=80419
--- Comment #90 from Paulo Dias paulo.miguel.dias@gmail.com --- just to let you guys know that with latest llvm 3.8 (256187) fixes and mesa up to 50fc4a925644378c50282004304bc8fd64b95e3c, it takes much longer for xcom enemy unknown to crash the GPU, i played for two solid hours, so its getting better. if someone wants, i can test the drirc workaround for glDrawRangeElementsBaseVertex, just put a .drirc here.