sub _extend_meta {
my ($class, $type, $rel, $val) = @_;
- my %hash = %{ Clone::clone($class->__meta_info || {}) };
+
+### Explicitly not using the deep cloner as Clone exhibits specific behavior
+### wrt CODE references - it simply passes them as-is to the new structure
+### (without deparse/eval cycles). There likely is code that relies on this
+### so we just let sleeping dogs lie.
+ my $hash = Clone::clone($class->__meta_info || {});
$val->{self_class} = $class;
$val->{type} = $type;
$val->{accessor} = $rel;
- $hash{$type}{$rel} = DBIx::Class::CDBICompat::Relationship->new($val);
- $class->__meta_info(\%hash);
+ $hash->{$type}{$rel} = DBIx::Class::CDBICompat::Relationship->new($val);
+ $class->__meta_info($hash);
}