Wasm is already supported natively by clang. Binaryen is an optional optimizer that you can run on the emitted wasm, to make it smaller (either manually, or a

Wasm is already supported natively by clang. Binaryen is an optional optimizer that you can run on the emitted wasm, to make it smaller (either manually, or a toolchain may integrate it for you, like emscripten or wasm-pack).