[clang] [Clang][CodeGen] Do not emit lifetime intrinsics for coro promise alloca (PR #140548)

[Weibo He via cfe-commits]

NewSigma wrote:

After further consideration, I think this is not a satisfactory solution to the issue. I may revisit it if I develop a concrete plan. Apologies for any inconvenience.

https://github.com/llvm/llvm-project/pull/140548