Try the following on any version of Perl: 
my @h = 1..10;
bad(@h);

sub bad { 
  undef @h;
  print for @_;
}

[download]
This apparently has something to do with iterating over aliased values that have been garbage-collected. Is this a known issue? 
   MeowChow                                   
               s aamecha.s a..a\u$&owag.print

In reply to Segfaulty by MeowChow

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