[llvm] ThinLTOBitcodeWriter: Split modules with __cfi_check and no type metadata. (PR #155930)

[Eli Friedman via llvm-commits]

https://github.com/efriedma-quic commented:

Please don't "@" people in commit messages; it interacts badly with GitHub.  Specifically, it causes a bunch of notification spam when people cherry-pick the change into various forks.

Otherwise LGTM.

https://github.com/llvm/llvm-project/pull/155930