[clang] [llvm] [clang][llvm]Uncorrelate CFI and Callgraph related type metadata annotations (PR #204266)

[Prabhu Rajasekaran via cfe-commits]

Prabhuk wrote:

> Splitting these looks good to me.

@nikic -- do you think this patch can be merged in its current state? Please let me know if you'd like to see any changes.

https://github.com/llvm/llvm-project/pull/204266