This seems to be resolved now: $ ./perl6-j --version This is Rakudo version 2017.08-104-g76f1d8970 built on JVM implementing Perl 6.c.
$ ./perl6-j -e 'say (2).combinations(0)' (()) Since there are tests for this behaviour in S32-list/combinations.t, I'm closing this ticket as 'resolved' without adding another test.
