Support for Clang 15

[xairy]

It would be nice to add support for Clangs 15+ to enable building KMSAN and for better KASAN support.

LLVM provides an apt repository for Clang. An example reference of a Dockerfile can be found in syzkaller repo.

Thank you!

[a13xp0p0v]

Hello @xairy,

Got some time to work on this.

It turned out that Ubuntu 22.04 supports clang-15. I've added a new container with it.

Is it fine? Do you need a separate container with a bleeding-edge fresh clang from the LLVM apt repository?

[xairy]

Yes, Clang 15 is what I needed. Thank you a lot!