[libcxx-commits] [libcxx] [lldb] [libcxx] adds size-based `__split_buffer` representation to unstable ABI (PR #139632)

[Christopher Di Bella via libcxx-commits]

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cjdb wrote:

You're right that it's not _strictly_ necessary, but it makes the code **substantially** simpler when they're coupled. Otherwise, we need to convert from using a size-based vector to a pointer-based `__split_buffer`, which I found to be confusing and error-prone during the development process.

https://github.com/llvm/llvm-project/pull/139632