[llvm-branch-commits] [llvm] [llvm][cmake] Turn runtime in PROJECTS warnings into FATAL_ERROR (PR #152302)

[Tobias Hieta via llvm-branch-commits]

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

LGTM, but I think we should make sure there is a release note for this as well, since I expect it to break some peoples build configurations.

https://github.com/llvm/llvm-project/pull/152302