[clang] [NFC] Updating Debug Info generation for 'this' (PR #119445)

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joaosaffran wrote:

@Michael137, currently we have this issue open: https://github.com/llvm/llvm-project/issues/118523, after some investigation, we figured that such was the same issue we have faced here https://github.com/microsoft/DirectXShaderCompiler/pull/6296, the fix we did there is the same one being added here. The issue is being caused when emitting debug info for HLSL RWBuffer type.  

@llvm-beanz and @bogner have more context than I do with this issue. Can any of you give some more detailed explanation, please?

https://github.com/llvm/llvm-project/pull/119445