[clang] [flang] [Flang] Adding -ffree-line-length-<value> flag (PR #192941)

[Andre Kuhlenschmidt via cfe-commits]

https://github.com/akuhlens commented:

Hmmm, I think github is in a weird state where I can't save comments on this review.

https://github.com/llvm/llvm-project/pull/192941