[llvm-branch-commits] [libcxx] release/18.x: [libc++] Simplify the implementation of <stddef.h> (#86843) (PR #87374)

[Ian Anderson via llvm-branch-commits]

ian-twilightcoder wrote:

I don't think this needs a release note, it's a pretty minor change.

https://github.com/llvm/llvm-project/pull/87374