[llvm] [mir-strip-debug] Fix debug location info strip for bundled instructions (PR #113676)

[Daniel Sanders via llvm-commits]

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

LGTM, thanks

Would you be willing to (in a different PR) add doxygen comments to .instrs() highlighting the difference that .instrs() makes for bundles compared to just iterating over the block?

https://github.com/llvm/llvm-project/pull/113676