[llvm] [SPIR-V] Support for multiple DebugCompilationUnit in DI (PR #109645)

[Michal Paszkowski via llvm-commits]

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

LGTM! Thanks for the pull request! If there are no more review comments, I will merge the change by tomorrow's SPIR-V Backend WG meeting time.

https://github.com/llvm/llvm-project/pull/109645