Async/Await 5.4.319

[Brandon Jonson]

Hello Folks!

I got a working build of V8 5.4.319. I clearly see the Async/Await functions have made it (sort of) and still there in this build. Unfortunately I cannot get V8 to recognize it. I've tried it with flags: --harmony --es-shipping --es-staging --experimental-extras 

I'm still getting a big old "Unexpected token function" after the async keyword. Anybody know what I'm doing wrong? 

async function testmeout () {

  var foo = new Promise(function(resolve, reject) { resolve("foo") })

  return await foo;

}

Thanks!

[Brandon Jonson]

Nevermind, I found it! 

The correct flag was --harmony-async-await. 

For some reason I thought simply using --harmony would grab them all. 

Thanks!

[Caitlin Potter]

In 5.4.319, you _should_ get async/await with `--harmony`, based on https://github.com/v8/v8/blob/5.4.319/src/flag-definitions.h#L219.

[Brandon Jonson]

Thanks for responding Caitlin! I thought that too however I explicitly had to use --harmony-async-await to get it to work. Good times!  

[Caitlin Potter]

I saw. The point is, --harmony enables staged features. There was something else going on if that did not work.

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