[clang] [Clang] [Driver] Ensure `-fms-volatile` is set for x86 for `*-windows-msvc` triple on non cl driver modes (PR #107509)

[Nico Weber via cfe-commits]

nico wrote:

For this patch here, I don't know if gcc even has a `fms-volatile`. If not, this here seems less surprising to me than the strict aliasing patch.

https://github.com/llvm/llvm-project/pull/107509