Add new builder configuration to test use of LLVM dylib across all tools

[serge-sans-paille]

[serge-sans-paille]

This is an alternate approach to #37, I think there's value in testing both config.

[tstellar]

What's being tested with the compiler-rt build?

[serge-sans-paille]

On Wed, Jul 12, 2023 at 01:27:28PM +0000, Tom Stellard wrote:

What's being tested with the compiler-rt build?

I can't tell exactly, but compiler-rt/test contains a lot of reference to %llvm* and %clang* that are going to use libLLVM.

[tstellar]

@serge-sans-paille What's the advantage of having two separate builders?

[gkistanova]

The patch itself looks fine. But the question https://github.com/llvm/llvm-zorg/pull/39#issuecomment-1633855171 needs the answer.