[clang] [coroutines][coro_lifetimebound] Detect lifetime issues with lambda captures (PR #77066)

[Ilya Biryukov via cfe-commits]

https://github.com/ilya-biryukov approved this pull request.

I'm ok with the changes, but I left a suggestion about naming the function that I think we should follow.

https://github.com/llvm/llvm-project/pull/77066