[clang] [compiler-rt] [XRay] Add support for instrumentation of DSOs on x86_64 (PR #90959)

[Sebastian Kreutzer via llvm-commits]

sebastiankreutzer wrote:

> You might want to get approval from someone else - I'm not even remotely close to a maintainer here.

Will do - thanks for taking the time to review!

https://github.com/llvm/llvm-project/pull/90959