[clang-tools-extra] [clang-tidy] support ak_attr_info in diagnostic forwarding (PR #147503)

[Baranov Victor via cfe-commits]

vbvictor wrote:

Did any of the builders caught this, or it is some local configuration?
Asking just in case if we should create one for catching such CE's. 

https://github.com/llvm/llvm-project/pull/147503