WebAssembly design is done?

[Nick Sabalausky (Abscissa) via Digitalmars-d]

On 03/01/2017 03:47 AM, Ola Fosheim Grøstad wrote:
> On Wednesday, 1 March 2017 at 08:01:41 UTC, Saurabh Das wrote:
>> I'm not so up-to-date about the mechanics of WebAssembly, but it would
>> be pretty exciting to run D code in the browser.
>>
>> Is this now possible or have I completely misunderstood what
>> WebAssembly allows for?
>
> It should be possible, at least if you give up on the garbage collector.
>

Huh? Isn't webasm GC'ed? Ir is it like a D-vs-wasm CG incompatibility?