Perl::Critic::Policy::BuiltinFunctions::RequireBlockMap(3pm) on Linux
The text 1d8febd2a611, as Debian 8 (Jessie) shipped it.
Write "map { /$pattern/ } @list" instead of "map /$pattern/, @list".
Perl::Critic::Policy::BuiltinFunctions::RequireBlockMap(3pm) on Linux now