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

[via cfe-commits]

dyung wrote:

@huangjd, I'm not sure the buildbot emails on failure are working, but the test you added seems to be failing on many bots. Can you take a look and revert if you need time to investigate?

- https://lab.llvm.org/buildbot/#/builders/144/builds/163
- https://lab.llvm.org/buildbot/#/builders/46/builds/93
- https://lab.llvm.org/buildbot/#/builders/174/builds/92
- https://lab.llvm.org/buildbot/#/builders/190/builds/108
- https://lab.llvm.org/buildbot/#/builders/23/builds/56

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