make sure that we don't fail and instead be conservative if a class has been added after the hierarchy has been constructed
make sure that we don't fail and instead be conservative if a class has been added after the hierarchy has been constructed

anddann/soot,plast-lab/soot,cfallin/soot,mbenz89/soot,cfallin/soot,mbenz89/soot,xph906/SootNew,cfallin/soot,xph906/SootNew,xph906/SootNew,mbenz89/soot,anddann/soot,anddann/soot,xph906/SootNew,cfallin/soot,mbenz89/soot,plast-lab/soot,plast-lab/soot,anddann/soot