IR: Introduce !elf_section_properties for setting section properties.
This new metadata type may be used to set sh_type and sh_entsize on a
global's section. The intent is that it will be used to mark up
CFI jump table sections.
Reviewers: fmayer, MaskRay, nikic, efriedma-quic
Reviewed By: fmayer
Pull Request: https://github.com/llvm/llvm-project/pull/149260