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

[Heejin Ahn via llvm-commits]

https://github.com/aheejin commented:

Sorry for the long delay; I was OOO for a while.

Sorry again; I'm still having a hard time understanding what this PR is trying to achieve. See inline comments.

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