[clang-tools-extra] llvm-canon (PR #68176)

[Michal Paszkowski via cfe-commits]

michalpaszkowski wrote:

Thank you @justinfargnoli and @AidanGoldfarb for taking over this work and reaching out! I will review your changes in the coming week.

CC @ChrisCummins FYI

https://github.com/llvm/llvm-project/pull/68176