[llvm] [FastISel][AArch64] Compare Instruction Miscompilation Fix (PR #75993)

[David Green via llvm-commits]

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

Can you use the update_llc_test_checks.py script to update the test? Then this LGTM, thanks.

https://github.com/llvm/llvm-project/pull/75993