[llvm-branch-commits] [clang][CallGraphSection] Add type id metadata to indirect call and targets (PR #117036)

[via llvm-branch-commits]

https://github.com/Prabhuk created https://github.com/llvm/llvm-project/pull/117036

Create and add generalized type identifier metadata to indirect calls,
and to functions that may be target to indirect calls.

Original RFC: https://lists.llvm.org/pipermail/llvm-dev/2021-June/151044.html
Updated RFC: https://lists.llvm.org/pipermail/llvm-dev/2021-July/151739.html