Motivation:
4bba7526e2 introduced changes which made pooled and unpooled derived buffers inconsistent in a few ways:
- Pooled derived buffers always generated a duplicate buffer when duplicate() was called and always generated a sliced buffer when slice() was called. Unpooled derived buffers some times generated a sliced buffer when duplicate() was called.
- The indexes that were set for duplicate buffers generated from slices were not always consistent.
There were also some various bugs in the derived pooled buffer implementation.
Modifications:
- Make pooled/unpooled consistently generate duplicate buffers when duplicate() is called and sliced buffers when slice() is called.
- Fix bugs in the derived pooled buffer
Result:
More consistent behavior from the derived pooled/unpooled buffers.
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