Re: Org element cache in indirect buffers

[Ihor Radchenko <yantar92@posteo.net>]

[Adding Org ML back to CC]

Sebastian <s.walinder@gmail.com> writes:

> Thank you so much for the detailed explanation!
>
> Maybe memory-report is counting what's at the end of the reference, and
> your change fixes it.

memory-report is counting buffer data separately, even when buffer-local
variables reference to the same data objects.
I just reported this upstream: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=64050

My change simply clears the references to AVL-tree roots that are copied
over when Emacs clones the buffer. The edge cases I was talking about
are when the main AVL-tree changes its root. That would make indirect
buffer actually keep reference to obsolete root and the rest of the
obsolete AVL-tree, preventing it from being garbage-collected.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
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