[llvm] [LoopInfo] Pointer to stack object may not be loop invariant in a coroutine function (PR #149936)

[Eli Friedman via llvm-commits]

efriedma-quic wrote:

> This particular hack is pretty nasty, though: we use isLoopInvariant all over the place, and I'm concerned you'll end up causing a cascade of issues in passes like SCEV. Can we contain this to LICM, specifically?

https://github.com/llvm/llvm-project/pull/149936