[clang] [llvm] [ARM] Emit an error when the hard-float ABI is enabled but can't be used (PR #111334)

[Peter Smith via cfe-commits]

https://github.com/smithp35 approved this pull request.

Thanks for the updates. This looks good to me. I remember that you don't have merge permissions. If there are no objections I'll merge this on Monday next week. That way if there are some unforeseen problems with projects not caught by precommit, we'll have more time to react.

https://github.com/llvm/llvm-project/pull/111334