[llvm] [DebugInfo][RemoveDIs] Support DPValues in HWAsan (PR #78731)

[Orlando Cazalet-Hyams via llvm-commits]

OCHyams wrote:

> How will this interact with https://github.com/llvm/llvm-project/pull/78606

@jmorse I'm happy for you to land this patch first, and then I will incorporate DPVAssign updates into mine?

https://github.com/llvm/llvm-project/pull/78731