[clang] [CUDA] work around more __noinline__ conflicts with libc++ (PR #74123)

[Artem Belevich via cfe-commits]

Artem-B wrote:

> FWIW I am not thrilled about using `__config` here. That header is an implementation detail of libc++ and defining it and relying on it is somewhat brittle.

I'm all for having it fixed in libc++ or in CUDA SDK. Barring that, working around the specific implementation details is all I can do here.  I'm open to other ideas on how this conflict can be worked around or solved in a better way.



https://github.com/llvm/llvm-project/pull/74123