wasm: Implement overflow arithmetic

This implements the overflow arithmetic for unsigned and signed integers.
Meaning the following instructions:
- @addWithOverflow
- @subWithOverflow
- @shlWithOverflow
- @mulWithOverflow
3114faddd8Luuk de Gram committed on 3/27/2022, 5:00:49 PMparent406507c
1 file changedLine totals unavailable