[llvm] [WebAssembly] Update generic and bleeding-edge CPUs (PR #96584)

[Derek Schuff via llvm-commits]

dschuff wrote:

Can you say more about what the bundlers are doing, and how they are doing it?
I don't want to be breaking people, but also we surely can't freeze LLVM forever just because some other tool is unmaintained. We are actually planning to enable bulk memory and nontrapping-fptoint soon as well.

https://github.com/llvm/llvm-project/pull/96584