[llvm] [DebugInfo][DWARF] Emit Per-Function Line Table Offsets and End Sequences (PR #110192)

[via llvm-commits]

alx32 wrote:

The latest change is possibility Nr.1 presented in [the above comment](https://github.com/llvm/llvm-project/pull/110192#issuecomment-2438594169) - similar to David's proposal [here](https://github.com/llvm/llvm-project/pull/110192#discussion_r1809635007) where we simply insert a line label and have that terminate the current sequence. 

https://github.com/llvm/llvm-project/pull/110192