[libcxx-commits] [libcxx] [libc++] Fix missing 'get_new_handler()' for Windows builds (PR #150182)

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siradam7th wrote:

> If we do this it definitely requires a release note. That should include what implications this change has w.r.t. STL compatibility.

@philnik777 care to elaborate more on this? 
which part of these changes might have implications in regards to compatibility?

https://github.com/llvm/llvm-project/pull/150182