[llvm] Implements PGOBBAddrMap in Object and ObjectYAML with tests [1/5] (PR #71750)

[Rahman Lavaee via llvm-commits]

rlavaee wrote:

Also, please add the "[SHT_LLVM_BB_ADDR_MAP]"  tag to the commit message.

https://github.com/llvm/llvm-project/pull/71750