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

[via llvm-commits]

MolecularMatters wrote:

@aganea @tycho @sylvain-audi If somebody could make a clang/lld build with the patch available for me, I'd be happy to run this against the Live++ test suite.

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