[clang] [llvm] [clang][LTO] Emit symbols for global inline assembly as module flags (PR #174995)

[Paul Kirth via cfe-commits]

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

Other than some rather minor nits in the test I think this is basically OK. Do get approval from @MaskRay before landing to make sure there's nothing concerning that I've overlooked.

https://github.com/llvm/llvm-project/pull/174995