westonpace opened a new pull request, #33994:
URL: https://github.com/apache/arrow/pull/33994

   If the AdaptiveIntBuilder was empty it would yield a null for the values 
buffer.  The byte_size.h utilities were not expecting this which led to the 
error reported in the issue.
   
   Example:
   
   ```
   >>> pa.array([], type=pa.dictionary(pa.int32(), pa.string())).buffers()
   [None, None]
   ```


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