[llvm-branch-commits] [WebAssembly] Port WebAssemblyExceptionAnalysis (PR #210246)

[Aiden Grossman via llvm-branch-commits]

https://github.com/boomanaiden154 created https://github.com/llvm/llvm-project/pull/210246

Similar to the LegacyPM version, but we need to add a move constructor
to WebAssemblyExceptionInfo and set up some invalidation for the NewPM
given we don't need to invalidate if the CFG doesn't change.