[llvm] [SHT_LLVM_BB_ADDR_MAP] Encode and decode callsite offsets in a newly-introduced SHT_LLVM_BB_ADDR_MAP version. (PR #144426)

[James Henderson via llvm-commits]

https://github.com/jh7370 commented:

Looks okay from my perspective, but probably wants more feedback from people more involved in the BB stuff.

https://github.com/llvm/llvm-project/pull/144426