message: js: Call __wasm_call_ctors after instantiation
  Right now this function is a no-op; however in SIMD implementation it
  computes a few tables so we will need to call it sooner or later.
diff: @@ -20,6 +20,9 @@ var MeshoptDecoder = (function() {
  .then(bytes => WebAssembly.instantiate(bytes, { env }))
  .then(function(result) {
  instance = result.instance;
  + if (instance.exports.__wasm_call_ctors) {
  + instance.exports.__wasm_call_ctors();
  + }
  env.emscripten_notify_memory_growth(0);
  });
  