Perl::Critic::Policy::BuiltinFunctions::RequireBlockMap(3pm) on Linux
The text bddfa2380cad, as Debian 5.0 (Lenny) shipped it.
Write "map { $_ =~ /$pattern/ } @list" instead of "map /$pattern/, @list".
Perl::Critic::Policy::BuiltinFunctions::RequireBlockMap(3pm) on Linux now