[PATCH] D152090: [clang][Driver] Add -fcaret-diagnostics-max-lines as a driver option

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added a comment.

`def fcaret_diagnostics_max_lines` in `Options.td` has the `NoDriverOption` flag. Move it to other places with `BooleainFFlag` should work. 
Then in `Clang.cpp` you can just write `Args.AddLastArg(...)`

Can you add some description that this is related to D147875 <https://reviews.llvm.org/D147875> ?


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  https://reviews.llvm.org/D152090/new/

https://reviews.llvm.org/D152090