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

[Vlad Serebrennikov via llvm-branch-commits]

https://github.com/Endilll commented:

> We're using LLVM_ENABLE_RUNTIMES. It uses the just built clang to build the runtimes specified.

That explains it, thank you.
There's still an outstanding question of unrelated changes to libc++ tests that are included in this PR.

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