Hidden nvcc-specific pragmas from clang

auto CudaReductionFunctorWrapper( Reduction&& reduction, Arg1&& arg1, Arg2&& arg2 )

{

// let's suppress the aforementioned warning...

#ifdef __NVCC__

#pragma push

#pragma diag_suppress 2979

#endif

   return std::forward<Reduction>(reduction)( std::forward<Arg1>(arg1), std::forward<Arg2>(arg2) );

#ifdef __NVCC__

#pragma pop

#endif

}

template< int blockSize,