From @AlexDaniel

Code​:
say (4,5,6).tail(-9999999999999999999)

¦«2015.12»​:
()

¦«2016.06»​:
()

¦«2016.12»​:
MoarVM panic​: Memory allocation failed; could not allocate 12233720368547758088 bytes «exit code = 1»

¦«2017.06»​:
Cannot unbox 64 bit wide bigint into native integer
  in block <unit> at /home/bisectable/git/whateverable/data/regressionable/15219088/snippet line 1
«exit code = 1»

¦«f72be0f130cf»​:
Cannot unbox 64 bit wide bigint into native integer
  in block <unit> at /home/bisectable/git/whateverable/data/regressionable/15219088/snippet line 1
«exit code = 1»

Possible IRC discussion​: https://irclog.perlgeek.de/perl6-dev/2017-09-26#i_15219088

Output on all releases​: https://gist.github.com/e2dcff80e1517153e8a6b8b401c9da46

No useful output from Bisectable.

I think that the behavior on 2015.12 is right. It should not throw an exception just because your negative number is slightly larger. So the right output would be “()” no matter how large or small your negative value is.

From @zoffixznet

lizmat++ fixed in rakudo/rakudo@43e7b893b1
Tests​: Raku/roast@76ed46049a

@zoffixznet - Status changed from 'new' to 'resolved'