[clang] [clang][DebugInfo][test] Adjust structured-binding.cpp expected IR names (PR #160300)

[Michał Górny via cfe-commits]

https://github.com/mgorny approved this pull request.

Thanks. I can confirm that the tests pass for me with this patch.

For the record, there is no bot. It's just me building stuff periodically in a glorified nspawn container.

https://github.com/llvm/llvm-project/pull/160300