[llvm] [llvm][DebugInfo] Add support for DW_OP_GNU_implicit_pointer (PR #142913)

[David Blaikie via llvm-commits]

dwblaikie wrote:

Please fix up the formatting identified by https://github.com/llvm/llvm-project/actions/runs/15470488440/job/43561147116?pr=142913 (& we'll see if the presubmit checks find anything else)

https://github.com/llvm/llvm-project/pull/142913