[llvm] [CodeGen][X86] Fix lowering of tailcalls when `-ms-hotpatch` is used (PR #77245)

[Sanjoy Das via llvm-commits]

sanjoy wrote:

Hi @aganea - I touched this code 7+ years back and I don't remember any details, so unfortunately I don't have any useful feedback or suggestions on this PR.

https://github.com/llvm/llvm-project/pull/77245