uschindler commented on pull request #592:
URL: https://github.com/apache/lucene/pull/592#issuecomment-1009767556


   The problem here is that we just reducing the number of guard checks bit 
raising the risk to segv. Read int uses multiple atomic reads and all of those 
reads can segv.
   
   Sorry to tell this: I would not change anything here, it is too risky. Let's 
wait for MemorySegmentIndexInput, which has JVM internal checks and a guard is 
not needed.


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