434     iterator OutIt = begin();  in join()  local
435     OutIt->valno = NewVNInfo[LHSValNoAssignments[OutIt->valno->id]];  in join()
436     for (iterator I = llvm::next(OutIt), E = end(); I != E; ++I) {  in join()
443       if (OutIt->valno == nextValNo && OutIt->end == I->start) {  in join()
444         OutIt->end = I->end;  in join()
447         ++OutIt;  in join()
448         OutIt->valno = nextValNo;  in join()
449         if (OutIt != I) {  in join()
450           OutIt->start = I->start;  in join()
451           OutIt->end = I->end;  in join()
456     ++OutIt;  in join()
457     segments.erase(OutIt, end());  in join()