[clang] (New) Add option to generate additional debug info for expression dereferencing pointer to pointers (PR #95298)

[Stephen Tozer via cfe-commits]

SLTozer wrote:

Small recommendation that the [patch](https://github.com/llvm/llvm-project/pull/91724) @pogo59 mentioned above has now landed, so before merging this you should rebase and update the test accordingly.

https://github.com/llvm/llvm-project/pull/95298