[clang] [clang-format] Allow array alignment on non-rectangular arrays (PR #143781)

[via cfe-commits]

https://github.com/mydeveloperday requested changes to this pull request.

We can change all these tests, we might even think we are doing the right thing now, the problem is users will complain they upgrade and the default behavior as changed

https://github.com/llvm/llvm-project/pull/143781