[lld] [LLD][X86] Match delayLoad thunk with MSVC (PR #149521)

[Evgenii Kudriashov via llvm-commits]

e-kud wrote:

> I think that `tailMergeUnwindInfoX64` should be adjusted to match the new code.

@cjacek thanks! Synced it with `link` as well. I've compared using `llvm-readobj`.

https://github.com/llvm/llvm-project/pull/149521