[llvm] [clang] [CloneFunction][DebugInfo] Avoid cloning DILocalVariables of inlined functions (PR #75385)

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zmodem wrote:

We're hitting the same assert (tracking in https://crbug.com/1518841) but don't have a good reproducer to share (it's during lto of a large binary). Jeremy's reproducer seems good though.

Can we revert this while it's being investigated, please?

https://github.com/llvm/llvm-project/pull/75385