Using sdk-incoming-64bit, binaryen-master-64bit as per http://webassembly.org/getting-started/developers-guide/. Calling `emscripten_create_worker("wasm_worker.js")` consistently fails due to `Module['wasmBinary']` not being set. As a temporary workaround I've created the following stub: ``` // wasm_worker_loader.js var xhr = new XMLHttpRequest(); xhr.open('GET', 'wasm_worker.wasm', false); xhr.responseType = 'arraybuffer'; xhr.send(null); var Module = {'wasmBinary': xhr.response}; importScripts('wasm_worker.js'); ```