359ab3aebb
Introduce just the option definitions and support for their existance at a few different points in the frontend. This will be followed soon by functionality that uses it. Reviewers: bcardosolopes, jansvoboda11, AaronBallman, erichkeane, MaskRay Reviewed By: erichkeane Pull Request: https://github.com/llvm/llvm-project/pull/89030