[TTreeReader] Wrong value read when multiple TTreeReaderValues read the same branch

#include <TTreeReader.h>

#include <TTreeReaderValue.h>

#include <TFile.h>

int main()

{

   TFile f("M1200.root");

   TTreeReader r("fullmassplane", &f);

   TTreeReaderValue<int> v1(r, "event.truth_type");

   TTreeReaderValue<int> v2(r, "event.truth_type");

   TTreeReaderValue<int> v3(r, "event.truth_type");

   r.Next();

   std::cout << *v1 << " " << *v2 << " " << *v3 << std::endl;

   return 0;

}

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