[TDF] Entry loss executing multiple event loops on the same Range'd TDataFrame

#include <ROOT/TDataFrame.hxx>

#include <iostream>

using namespace ROOT::Experimental;

int main() {

  auto d = TDataFrame(100);

  auto d_0_30 = d.Range(0, 30);

  std::cout << *d_0_30.Count() << std::endl;

  std::cout << *d_0_30.Count() << std::endl;

  return 0;

}

30

1