[llvm-branch-commits] [clang] Accept `cl`-style output arguments (`/Fo`, `-Fo`) for `--fmodule-output` (PR #121046)

[Nikita Popov via llvm-branch-commits]

nikic wrote:

Why is this submitted against the release/19.x branch? Is this a backport? If so, please indicate which commit it backports.

https://github.com/llvm/llvm-project/pull/121046