Eli Friedman found a case that was not handled correctly by #154833 where
we failed to split the module if it contained a __cfi_check function but
no type metadata. Handle this case correctly by checking for __cfi_check
when deciding whether to split.
Reviewers: teresajohnson, efriedma-quic
Reviewed By: efriedma-quic
Pull Request: https://github.com/llvm/llvm-project/pull/155930
43c85afce9