Crash caused by releasing wild pointer
In this branch during the construction, the pointer List
is not set as nullptr
https://gitlab.kitware.com/vtk/vtk/blob/master/Common/DataModel/vtkFieldData.cxx#L43
So during deconstruction, releasing a wild pointer may cause crash on some platforms https://gitlab.kitware.com/vtk/vtk/blob/master/Common/DataModel/vtkFieldData.cxx#L162
tested with unreal engine 4.22 compiled by vs2017