[llvm-branch-commits] [llvm] RuntimeLibcalls: Add mustprogress to common function attributes (PR #167080)

[Simon Pilgrim via llvm-branch-commits]

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

LGTM - but I don't know all the idiosyncrasies of mustprogress tbh, but the language reference suggests this should be fine.

https://github.com/llvm/llvm-project/pull/167080