[perl #127778] negative $n in “combinations” (combinations -999999999999999999, 2)

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# New Ticket Created by  Alex Jakimenko 
# Please include the string:  [perl #127778]
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Code:
.say for combinations -999999999999999999, 2

Result:
(no output)

↑ That's fine!


Code:
.say for combinations -9999999999999999999, 2

Result:
(0 1)
(0 2)
(0 3)
(0 4)
(0 5)
… and so on…

↑ now that's a problem.