[llvm] [InstCombine] Allow load to store forwarding for scalable structs (PR #123908)

[David Green via llvm-commits]

davemgreen wrote:

I can give that a try. It looks like it should be do-able.

I was thinking that sroa could be another alternative, but would have to handle scalable types too and as this is a regression since last release was hoping for something on the simpler side.

https://github.com/llvm/llvm-project/pull/123908