[llvm-branch-commits] [CI] Use LLVM_ENABLE_RUNTIMES for runtimes builds on Linux (PR #142694)

[Vlad Serebrennikov via llvm-branch-commits]

Endilll wrote:

I just opened 9e3490b51f85d1aff3978dc32aadde4531363774 in my local git, and yes, all libc++ changes are there alongside changes to `monolithic-linux.sh` that we're interested in

https://github.com/llvm/llvm-project/pull/142694