[flang-commits] [flang] [clang] [flang][driver] Rename `flang-new` as `flang` (PR #74377)

[Thorsten Schütt via flang-commits]

tschuett wrote:

Clang PRs often update the release notes and features.

ala: The LLVM 19 release will not contain flang-new.

https://github.com/llvm/llvm-project/pull/74377