[llvm] [flang][flang-rt] Add flang-rt autolabel check (PR #175240)

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

clementval wrote:

I created the label in the project so I guess we can merge this. I can do it for you. 

https://github.com/llvm/llvm-project/pull/175240