[libcxx-commits] [libcxx] [libc++] Optimize copy construction and assignment of __tree (PR #151304)

[Louis Dionne via libcxx-commits]

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@@ -1213,6 +1213,80 @@ private:
     __node_pointer __cache_root_;
     __node_pointer __cache_elem_;
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ldionne wrote:

Can you please add a comment explaining what you learned about our `__tree` implementation? This can be a followup NFC patch, but I think it would be useful because none of it is documented at the moment.

https://github.com/llvm/llvm-project/pull/151304