[llvm-branch-commits] [llvm] release/19.x: [Metadata] Try to merge the first and last ranges. (#101860) (PR #101875)

[Nikita Popov via llvm-branch-commits]

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

@tru This is a bug fix to prevent emission of invalid IR.

https://github.com/llvm/llvm-project/pull/101875