[clang] [llvm] Add option to generate additional debug info for expression dereferencing pointer to pointers. (PR #81545)

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dyung wrote:

Hi, the test debug-info-ptr-to-ptr.cpp is still failing on a Mac bot. Can you take a look? 

https://lab.llvm.org/buildbot/#/builders/280/builds/4515

https://github.com/llvm/llvm-project/pull/81545