Circular reference error gone after inspecting members

[Yuxuan Shui]

On Saturday, 25 August 2018 at 14:13:18 UTC, rikki cattermole 
wrote:
> On 26/08/2018 2:10 AM, Yuxuan Shui wrote:
>> The offending code base is a little big and hard to reduce. 
>> I'll try if code is required, but here is the gist of the 
>> problem:
>> 
>> This snippet of code in my project:
>> 
>>      ...
>>      alias tmp = genCode!T;
>>      enum str = tmp.str; // This line here
>>      ...
>> 
>> Generate a circular reference error.
>> 
>> However, if I do:
>> 
>>      ...
>>      alias tmp = genCode!T;
>>      pragma(msg, __traits(allMembers, tmp));
>>      enum str = tmp.str; // This line here
>>      ...
>> 
>> Then the error is gone.
>> 
>> Anyone has any idea what could the problem be?
>
> If that pragma(msg) does indeed make it disappear (check -v to 
> confirm), then its a bug.

Alright then. I'll spend sometime and see if I can make a minimal 
example.