[libcxx-commits] [libcxx] [libcxxabi] [libc++][libc++abi] Minor follow-up changes after ptrauth upstreaming (PR #87481)

[Louis Dionne via libcxx-commits]

ldionne wrote:

I believe I have applied all the comments. I will merge this once CI is green and I will cherry-pick this back to the LLVM 19 release branch.

https://github.com/llvm/llvm-project/pull/87481