[llvm-branch-commits] [libcxx] [libcxxabi] release/19.x: [libc++][libc++abi] Minor follow-up changes after ptrauth upstreaming (#87481) (PR #100183)

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llvmbot wrote:

@ahmedbougacha What do you think about merging this PR to the release branch?

https://github.com/llvm/llvm-project/pull/100183