@SuppressWarnings("unchecked")
protected void handleExplicitThrowEdges()
{
MHGDominatorTree dom = new MHGDominatorTree(new MHGDominatorsFinder<Unit>(this));
MHGDominatorTree pdom = new MHGDominatorTree(new MHGPostDominatorsFinder(this));
//this keeps a map from the entry of a try-catch-block to a selected merge point
Hashtable<Unit, Unit> x2mergePoint = new Hashtable<Unit, Unit>();
List<Unit> tails = this.getTails();