[clang] [Clang] Add fake use emission to Clang with -fextend-lifetimes (PR #110102)

[Stephen Tozer via cfe-commits]

SLTozer wrote:

> Commented on the commit but I'm not sure if that sends notifications.

I saw it, thanks - I'll likely update the tests afterwards, though for now I'm keeping an eye on the bots/merge to make sure things turn/stay green.



https://github.com/llvm/llvm-project/pull/110102