4f2d6f763b
Clang now warns about set but unused variables. It also now
recognizes -Wno-error=unused-but-set-variable so this patch moves
that option back to the general options list.
Change-Id: Id800e87eb688b9441b14380e2246ad586179f31a
[ROCm/ROCR-Runtime commit: 26808295f8]