[RFC] Emit SARIF Diagnostics via -fdiagnostics-format=sarif

Ping.

Are there any other objections or comments on this RFC?

Original message rendered here: https://gist.github.com/envp/3a5fdd33115b91c391c22e5e8a5210f4

I also support option 2. Unless you see someone objecting, feel free to start submitting patches for review.

Cheers,
Gabor