[llvm] [SHT_LLVM_BB_ADDR_MAP] Remove support for versions 1 and 0 (SHT_LLVM_BB_ADDR_MAP_V0). (PR #146186)

[James Henderson via llvm-commits]

https://github.com/jh7370 approved this pull request.

Couple of suggestions for the release note. Otherwise, LGTM.

https://github.com/llvm/llvm-project/pull/146186