[llvm] [DebugCounter] Add support for non-continous ranges. (PR #89470)

[Nicolai Hähnle via llvm-commits]

nhaehnle wrote:

IMHO you've given enough time to others to take a look. I'd err on the side of action here. (In rare cases, somebody may speak up in post-commit review and you do have a responsibility to address that if it comes up. But it's probably fine.)

https://github.com/llvm/llvm-project/pull/89470