[PATCH] D135076: [Clang] Make offloading flags accept '-' and '--'

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added a comment.

Another idea is to reject multiple `-o` if some are used as the `Joined` form. Note: multiple `Separate` `-o` should be allowed.
It will not catch `-offload-*` when `-o output` is not specified, but is probably useful enough.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D135076/new/

https://reviews.llvm.org/D135076