[clang] [llvm] [Clang-Repl] Add support for out-of-process execution. (PR #110418)

[Vassil Vassilev via cfe-commits]

vgvassilev wrote:

> Ah, so it isn't failing only for me. Apparently, it blows away all the environments where ORC is deliberately disabled.

We probably need a `host-supports-oop-jit` similar to what we have in `host-supports-jit`...

https://github.com/llvm/llvm-project/pull/110418