Method addArray

deps/v8/test/mjsunit/wasm/wasm-module-builder.js:1565–1570

(type, mutability, supertype_idx = kNoSuperType, is_final = false,
           is_shared = false)

  }

  addArray(type, mutability, supertype_idx = kNoSuperType, is_final = false,
           is_shared = false) {
    this.types.push(
        new WasmArray(type, mutability, is_final, is_shared, supertype_idx));
    return this.types.length - 1;
  }

  addCont(type) {
    let type_index = (typeof type) == 'number' ? type : this.addType(type);