error: matching constraint references invalid operand number

[Iain Buclaw]

On Saturday, 5 March 2022 at 10:04:43 UTC, rempas wrote:
> Thank you! This will do the trick! Do you happen to know if D 
> plans to add "registers" in the future or if it has been 
> suggested but was rejected?
>

core.attribute (or more specifically, gcc.attributes, which is 
where all the documented ones are) is the current place where 
"extensions" are thrown.  Maybe `@register("abc")` could be a 
further addition if the need is great enough.

> Also, how can I see the D specific options for GDC? Thinks like 
> how to set "versions", options like the "-fno-druntime" and 
> other specific D stuff as I'll I'm seeing in the "--help" 
> message are options that are general and the output is in 
> general the same as GCC.

With the option "--help=d"