[clang] [flang] [llvm] [openmp] [flang][driver] rename flang-new to flang (PR #110023)

[Valentin Clement バレンタイン クレメン via cfe-commits]

clementval wrote:

> > Could you add an experimental message ("The openmp support in Flang is experimental") when compiling with OpenMP? The warning can be in the Driver code that forwards the `-fopenmp` flag to the driver.
> 
> Hm. I'm not yet fully convinced that we should be doing this. Shouldn't `-fopenacc` then also emit such a warning?

OpenACC has no codegen upstream yet so it will never produce an executable. When we start adding support for codeine/runtime, a warning is probably nice until good enough support is reached. 

https://github.com/llvm/llvm-project/pull/110023