Support -falignment-sanitisation in the wasm NCG
Currently, the wasm NCG doesn't support compiling with -falignment-sanitisation. It's not used by normal users, but may come in handy when debugging, plus it seems rather easy to implement anyway.
Currently, the wasm NCG doesn't support compiling with -falignment-sanitisation. It's not used by normal users, but may come in handy when debugging, plus it seems rather easy to implement anyway.