[lld] wasm-ld: Implement function pointer alignment (PR #105532)

[Ethan O'Brien via llvm-commits]

ethanaobrien wrote:

>I would try to reproduce it using a simple example, and build with debug info so you can see where the crash is happening.

It would appear adjusting the first function of the table to be aligned rather than at index zero causes the crash, likely something thinks the entry function isnt where it actually is from my findings?

https://github.com/llvm/llvm-project/pull/105532