Fixed with 796d6e1 , no tests needed (at least not in roast, as dd is not Perl 6 but Rakudo specific).
> On 27 Dec 2016, at 21:01, Aleks-Daniel Jakimenko-Aleksejev (via RT) > <perl6-bugs-follo...@perl.org> wrote: > > # New Ticket Created by Aleks-Daniel Jakimenko-Aleksejev > # Please include the string: [perl #130416] > # in the subject line of all future correspondence about this issue. > # <URL: https://rt.perl.org/Ticket/Display.html?id=130416 > > > > Code: > dd (0..*).list > > Result: > (0, 1, 2, 3, 4, 5, 6, 7, 8, 9... (lazy list) > > > The first “(” is not matched. https://xkcd.com/859/