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

[Aaron Ballman via cfe-commits]

AaronBallman wrote:

Added @plotfi as a reviewer; one drive-by question is whether adding a new LLVM tool like this requires an RFC to be posted to Discourse or not (https://llvm.org/docs/DeveloperPolicy.html#introducing-new-components-into-llvm). (I don't have any opinions on the tool; just trying to help the review move along.)

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