[llvm] [AArch64] Count the async-EH nop that follows an EH_LABEL (PR #219275)

[Eli Friedman via llvm-commits]

efriedma-quic wrote:

Please fix the title and the first message of the pull request to reflect the current version of the patch.  (And make the message a lot shorter.)  That will become the commit message.

Otherwise, I think this is okay to merge?  Please let me know when you think this is ready.

https://github.com/llvm/llvm-project/pull/219275