[clang] [llvm] [DebugInfo] Emit DW_AT_bit_size for _BitInt types and others (PR #164372)

[David Stenberg via cfe-commits]

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

> How does this look?

LGTM. Thanks for picking up and completing this!

> What would you like me to put as your name/email for co-authorship? (this was based on your patch and now looks more or less exactly like it!)

You can use "David Stenberg <david.stenberg at ericsson.com>".

https://github.com/llvm/llvm-project/pull/164372