The VM doesn’t support atomic read/write of flattened values yet.    When the atomic read/write of flattened values is supported, the current Unsafe implementation for atomic CAS APIs is a temporary workaround (that synchronizes on a global lock for atomicity) that shall be replaced.
            
- relates to
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                    JDK-8317767 Standard library implementation of null-restricted value class types -           
- Open
 
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 P3
  P3