[clang] [DebugInfo] When referencing structured bindings use the reference's location, not the binding's declaration's location (PR #153637)

[Michael Buch via cfe-commits]

Michael137 wrote:

Can we cherry-pick this to `release/21.x`? I'm planning to pull this into the Apple LLVM fork for the 21.x release

https://github.com/llvm/llvm-project/pull/153637