[llvm] Reapply [TLI] Fix replace-with-veclib crash with invalid arguments (PR #77945)

[Alexandros Lamprineas via llvm-commits]

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

I am only reviewing the makefile change here. The rest is identical to the original (reverted) commit. LGTM.

https://github.com/llvm/llvm-project/pull/77945