[llvm] [DWARFVerifier] Allow overlapping ranges for ICF-merged functions (PR #117952)

[Paul T Robinson via llvm-commits]

pogo59 wrote:

The parent-child aspect would be orthogonal to the OP's complaint, which is about a non-parent-child overlap, so it would want to be a separate proposal. It makes sense to me that the parent's ranges should be a superset of the child ranges, fwiw.

https://github.com/llvm/llvm-project/pull/117952