title: Does AnyEvent work with perl 5.26?
body: <p>I've met the following error::</p>
  
  <p><code>
  Can't use an undefined value as a subroutine reference at /home/basiliscos/perl5/perlbrew/perls/perl-5.26.0/lib/site_perl/5.26.0/x86_64-linux/AnyEvent/Loop.pm line 248
  </code></p>
  
  <p>when I run my program under perl 5.26.0, meanwhile under 5.20.3 it runs fine. </p>
  
  <p>Any ideas where I should dig to?</p>