Artem-B wrote:

> Right now if someone passes -Xarch_foo --offload-arch=gfx1030 and foo doesn't 
> match it's not passed and it will print something like this. I figured that's 
> good enough.

This part SGTM, too.

However, I don't think I've seen the answer what happens when we do pass 
--offload arch to cc1.

E.g. a user may accidentally paste an argument in the wrong place and instead 
of intended `--offload-arch=sm_52 --offload-arch=sm_80 -Xarch_sm52  
--some-option-for_sm52` passes `--offload-arch=sm_52 -Xarch_sm52 
--offload-arch=sm_80 --some-option-for_sm52` ?





https://github.com/llvm/llvm-project/pull/125421
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