[perl #131865] [REGRESSION] Looping over a HyperSeq in sink context does nothing (for .hyper { say 2 })

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# New Ticket Created by  Aleks-Daniel Jakimenko-Aleksejev 
# Please include the string:  [perl #131865]
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# <URL: https://rt.perl.org/Ticket/Display.html?id=131865 >


Code:
for <a b c>.hyper { say 2 }

Result (2015.09-2015.06):
2
2
2

Result (9b0b9effe5,2017.07,HEAD(6745517)):
(no output)


There seems to be nothing wrong with using a for loop on .hyper or .race, so it 
should work. It starts working if you somehow use the value, for example:

Code:
do for <a b c>.hyper { say 2 }

Result (9b0b9effe5,2017.07,HEAD(6745517)):
2
2
2


Bisectable points to 
https://github.com/rakudo/rakudo/commit/9b0b9effe5fee1f35497cf97a5e7bda9bb083507