[flang-commits] [flang] [Flang] Move non-Common headers to FortranSupport (PR #124416)

[Joseph Huber via flang-commits]

https://github.com/jhuber6 approved this pull request.

This is really straightforward. I don't think we need to bikeshed about which side requires utilities for now, we can easily amend that once we move over to the separate runtimes build.

https://github.com/llvm/llvm-project/pull/124416