aaron.ballman added a comment.

This is a neat idea, but I think we should think about it carefully. In 
general, `-Xclang` is not something we want to actively recommend users use, so 
do we really want to make it easier for users to use?

One potential problem that could be caused by this change is when we have a 
driver option that the user typos but happens to match a -cc1 argument; I could 
see inattentive users going "cool, I'll add -Xclang then" instead of fixing the 
driver arg; but I've not looked through our existing options to see if that 
situation is particularly *likely* or not.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D134550/new/

https://reviews.llvm.org/D134550

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