[clang] Correctly link and optimize device libraries with -mlink-builtin-bitcode (PR #69371)

[Joseph Huber via cfe-commits]

https://github.com/jhuber6 commented:

Some comments. I remember there was a reason we couldn't use the existing linking support and needed the new pass, what was that again?

https://github.com/llvm/llvm-project/pull/69371