[llvm] Ensure NoTrapAfterNoreturn is false for the wasm backend (PR #65876)

[Nikita Popov via llvm-commits]

nikic wrote:

This looks generally fine to me, but I think for the new `-no-trap-after-noreturn` option we should introduce that in a separate PR that actually tests the behavior in a case where it does something. It's weird to only test the option in a place where it doesn't actually do anything.

https://github.com/llvm/llvm-project/pull/65876