> On 19 Aug 2016, at 15:57, Min Wang <[email protected]> wrote:

> I  saw the comments in the code:
> 
> /* Variants are always initialized to an empty instance of the
>         correct type. The default '$$ = $1' action is NOT applied
> 
>         when using variants.  */
> 
> so seems we are ok.

It looks to also be the case when not using Variants. Try some test code, and 
if it works, the issue probably has been fixed.



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