[DF] Cannot define custom columns with same name in two different branches of the computation graph if both of them are jitted

#include <ROOT/RDataFrame.hxx>

int main()

{

   ROOT::RDataFrame df(10);

   auto df2 = df.Define("x", "1.0");

   auto df3 = df.Define("x", "2");

   auto c = df2.Count();

   auto c2 = df3.Count();

   *c2;

   return 0;

}