For technical reasons adding compiler flags to do that is fairly hard. You'd need to handle a lot of things like compiling to the sandboxed format, system libra

For technical reasons adding compiler flags to do that is fairly hard. You'd need to handle a lot of things like compiling to the sandboxed format, system library support, the FFI to normal code, etc. It would be possible to do all that, but wasm has already done it - so compiling to wasm as an intermediary step is the most practical solution. (See also https://news.ycombinator.com/item?id=29460766 https://news.ycombinator.com/item?id=29460766)