[clang] [llvm] [clang][DebugInfo] Emit DW_AT_object_pointer on function declarations with explicit `this` (PR #122928)

[Michael Buch via llvm-commits]

Michael137 wrote:

@mgorny thanks for the ping. I relanded in https://github.com/llvm/llvm-project/commit/a5fb2bbb2ad8488482843e2298fbe6f6a1d45bbd. Confirmed that the OCaml bindings build and tests pass.

https://github.com/llvm/llvm-project/pull/122928