UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36

Steps to reproduce the problem:
Currently `await <Expression>` is supported in the devtools console. It would be nice if `for await (... of ...) { ... }` were supported as it's quite tedious to have to create wrapper functions for inspecting async iterators.

What is the expected behavior?

What went wrong?
Currently trying to use for-await-of loops in the devtools just fails with an error (SyntaxError: Unexpected reserved word).

Did this work before? No 

Chrome version: 66  Channel: dev
OS Version: 
Flash Version: 

Interestingly if you also include an await statement like so:

await null; for await (const item of someAsyncIterable) {
    console.log(item)
}

It fails with the error "SyntaxError: await is only valid in async function" instead which means this might be related to  bug #807528 .