[llvm] [WebAssembly] Fix crash in ReplaceNodeResults for ANY_EXTEND_VECTOR_INREG (PR #178374)

[Derek Schuff via llvm-commits]

dschuff wrote:

We can [request a backport](https://llvm.org/docs/HowToReleaseLLVM.html#backport-requests) It looks like we are already past RC2 for 22.1, and according to the patch rules, only critical bugs or regressions should go after that. So maybe let's request a merge for 22.2.

https://github.com/llvm/llvm-project/pull/178374