What's the current status of WASM/WASI support?

[Sebastiaan Koppe]

On Sunday, 5 November 2023 at 13:29:32 UTC, Johan wrote:
> On Friday, 3 November 2023 at 23:36:45 UTC, Sebastiaan Koppe 
> wrote:
>> The d runtime port I did years ago used wasi and the 
>> wasi-libc. I ported the whole of druntime (aside from things 
>> like catching exception, fibers, etc.) but got stuck on the GC.
>
> It is really a pity that you (or someone else) never upstreamed 
> this (or related) work. I feel it is good work going to waste :/
> Let's not strive for perfect, strive for improvement. And the 
> barrier for improvement is pretty low current with a completely 
> non-working druntime with wasm (with or without wasi)...!
>
> The separate minimum druntime work is valuable, but could be 
> much more valuable if it became part of the standard druntime.
>
> The WASM work always makes me excited, although I've never used 
> it.
> Thanks!
>   Johan

The work _is_ on github though 
https://github.com/skoppe/druntime/tree/wasm but I agree its 
unfortunate it never got finished.

I did notice binaryen added a spillpointers pass which might be a 
good way to get over the GC hump, 
https://github.com/WebAssembly/binaryen/blob/main/src/passes/SpillPointers.cpp