message: AliFemtoCorrFctnQ3D - Add a check for nullptr
diff: @@ -208,10 +208,6 @@ protected:
  TH3* fDenominatorW; ///<!< Qinv-Weighted denominator
  };
  -#ifdef SINGLE_WQINV
  -#undef fNumeratorW
  -#undef fDenominatorW
  -#endif
  template <typename T>
  AliFemtoCorrFctnQ3D<T>::AliFemtoCorrFctnQ3D(const char* title,
  @@ -272,7 +268,7 @@ AliFemtoCorrFctnQ3D<T>::AliFemtoCorrFctnQ3D(const AliFemtoCorrFctnQ3D<T>& orig)
  , fNumerator(new TH3F(*orig.fNumerator))
  , fDenominator(new TH3F(*orig.fDenominator))
  , fNumeratorW(static_cast<TH3*>(orig.fNumeratorW->Clone()))
  - , fDenominatorW(static_cast<TH3*>(orig.fDenominatorW->Clone()))
  + , fDenominatorW(static_cast<TH3*>(orig.fDenominatorW ? orig.fDenominatorW->Clone() : nullptr))
  {
  }
  