[clang] [codegen] Emit missing cleanups for stmt-expr and coro suspensions [take-2] (PR #85398)

[Utkarsh Saxena via cfe-commits]

usx95 wrote:

> Perhaps we want this test to live in CodeGen rather than CodeGenCoroutines given that it covers so many non-coroutine test cases as well?
Makes sense. I split the tests into coroutine and stmt-expr (didn't want to depend on "Inputs/coroutine.h" from CodegenCXX).



https://github.com/llvm/llvm-project/pull/85398