[clang] [llvm] [Coroutines] Mark parameter allocas with coro.outside.frame metadata (PR #127653)

[Reid Kleckner via llvm-commits]

https://github.com/rnk commented:

In the issue (#127499) you pointed out that this issue applies to the MSVC ABI where all parameters are destroyed in the callee. Is it reasonable to construct the analogous test case in that environment? I tried to do this locally, but can't for unrelated build configuration reasons.

https://github.com/llvm/llvm-project/pull/127653