rnk added a comment.

So, there's nothing wrong, functionally speaking, with what we do today, right? 
It's just inconvenient to test.

The difficulty of testing the driver has been a long standing problem. I think 
we might want to instead invent some new kind of alternative to `-###` for 
writing driver tests that is more FileCheck friendly. For example, we could 
print flags one-per line, without quoting. I think it would also be reasonable 
to do some dumb string post-processing to rewrite Windows-style paths to Unix 
style paths so they always look the same.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D62493/new/

https://reviews.llvm.org/D62493



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