message: Use std::iota in CUDATestDriver::target_devices
diff: #include <unittest/cuda/testframework.h>
  #include <thrust/system/cuda/memory.h>
  #include <cuda_runtime.h>
  +#include <numeric>
  __global__ void dummy_kernel() {}
  @@ -80,9 +81,7 @@ std::vector<int> CUDATestDriver::target_devices(const ArgumentMap &kwargs)
  cudaGetDeviceCount(&count);
  result.resize(count);
  - // XXX iota is not available in c++03
  - for(int i = 0; i < count; ++i)
  - result[i] = i;
  + std::iota(result.begin(), result.end(), 0);
  }
  else
  {
  