[llvm] [llvm] revisions to `LLVM_ABI` export macro definitions (PR #144598)

[Nikita Popov via llvm-commits]

nikic wrote:

I'm not sure what exactly is being proposed in that regard, but at least on Linux the standard dylib configuration produces *both* static libraries and dylibs, and that must continue working without having to recompile everything twice.

https://github.com/llvm/llvm-project/pull/144598