$ perl -MO=Deparse pm_1185726_heredoc_pod.pl
Use of bare << to mean <<"" is deprecated. Its use will be fatal in Perl 5.28 at pm_1185726_heredoc_pod.pl line 1.
Can't modify scalar in scalar assignment at pm_1185726_heredoc_pod.pl line 1, near "cut;"
pm_1185726_heredoc_pod.pl had compilation errors.
my $str = "" = 'cut';
$