/// @param LRMap When not null, this vector will map each live range in Edit
/// back to the indices returned by openIntv.
/// There may be extra indices created by dead code elimination.
- void finish(SmallVectorImpl<unsigned> *LRMap = 0);
+ void finish(SmallVectorImpl<unsigned> *LRMap = nullptr);
/// dump - print the current interval maping to dbgs().
void dump() const;