Using RefCounted in recursive structures and templates

[Lodovico Giaretta via Digitalmars-d-learn]

On Tuesday, 10 May 2016 at 22:10:06 UTC, ag0aep6g wrote:
> Am 10.05.2016 um 21:43 schrieb Lodovico Giaretta:
>> import std.typecons: RefCounted;
>>
>> struct S
>> {
>>      RefCounted!S s; // error: struct S no size yet for 
>> forward reference
>> }
>
> This used to work with 2.067. I've filed a phobos regression 
> for this very code, and two related dmd issues with different 
> reductions:
>
> https://issues.dlang.org/show_bug.cgi?id=16011 - [REG2.068] 
> recursive RefCounted used to work
> https://issues.dlang.org/show_bug.cgi?id=16012 - [REG2.070] 
> forward reference with alias this
> https://issues.dlang.org/show_bug.cgi?id=16013 - [REG2.072a] 
> ICE with mutually dependent structs and alias this

Thank you very much.