[perl #129247] [CONC][BUG] Wait on a Supply after begin tap is hanging

[Jan-Olof Hendig via RT]

On Thu, 13 Jul 2017 16:49:00 -0700, ug...@cpan.org wrote:
> Resolved in: https://github.com/rakudo/rakudo/commit/32b72cd
> 
> Tests: https://github.com/perl6/roast/commit/927b026

Bug fixed and tests added, closing issue.