[llvm] [CodeExtractor] Allow to use 0 addr space for aggregate arg (PR #66998)

[Johannes Doerfert via llvm-commits]

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

LG, but only commit it with a test, so the follow up PR. Or add a standalone test.

https://github.com/llvm/llvm-project/pull/66998