[llvm] [CodeGen][X86] Honor LargeEHEncoding when selecting x86-64 EH encoding (PR #210109)

[Jessica Clarke via llvm-commits]

jrtc27 wrote:

(Also, please avoid `@foo` in commit messages, i.e. the PR summary for LLVM's PR workflow; see https://discourse.llvm.org/t/forbidding-username-in-commits/86997)

https://github.com/llvm/llvm-project/pull/210109