Lazier return in UnionType->isSuperTypeOfWithReason() (~40% faster)
          
            #8333
        
      | Job | Run time | 
|---|---|
| 8s | |
| 8s | 
UnionType->isSuperTypeOfWithReason() (~40% faster)
          
            #8333
        
| Job | Run time | 
|---|---|
| 8s | |
| 8s |