#include <omp.h>

int main()
{
  double time0, time1;
#pragma omp target map(from: time0, time1)
  {
    // calls to wtime should not be folded together
   time0 = omp_get_wtime();
   time1 = omp_get_wtime();
  }

   double delta = time1 - time0;
   return delta == 0.; // success if they differ
}