[llvm] [Dexter] Implement DexStepFunction and DexContinue (PR #152721)

[Orlando Cazalet-Hyams via llvm-commits]

OCHyams wrote:

Thanks, that would be handy.

@SLTozer found an issue that sounds suspiciously similar and has a fix for that coming shortly. We have reason to hope it's the same issue 🤞 .

https://github.com/llvm/llvm-project/pull/152721