[llvm] [RemoveDIs] Make verify-uselistorder preserve the input debug info format (PR #87789)

[Orlando Cazalet-Hyams via llvm-commits]

OCHyams wrote:

Does the commit "[Enumerate values used by debug records in verify-uselistorder](https://github.com/llvm/llvm-project/pull/87789/commits/2ac013f0a55be7459012989f7a2f89d490e558f1)" mean that it now supports DbgRecords? If so, my previous comment:

> These used to be asserts (checking we're not using the new mode). IMO we should consider adding those back in again until verify-uselistorder actually supports the new format, as AFAIUI right now the DbgRecords are just ignored (not mapped, i.e., their ordering isn't checked by verify-uselistorder). WDYT?

is nullified and can be ignored.

https://github.com/llvm/llvm-project/pull/87789