X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FClassData.pm;h=cc90c0655b2ebb7738137709973c862f3685a223;hb=bafb7fb41dd4cbc70fc18a173841cebf850f5b35;hp=41bfaa1d9b7b77b2dbe3d695e4a1432a1e5b3fe3;hpb=67837eb659c6b7bc46c2d7efd70b555324c305c3;p=catagits%2FCatalyst-Runtime.git

diff --git a/lib/Catalyst/ClassData.pm b/lib/Catalyst/ClassData.pm
index 41bfaa1..cc90c06 100644
--- a/lib/Catalyst/ClassData.pm
+++ b/lib/Catalyst/ClassData.pm
@@ -44,17 +44,18 @@ sub mk_classdata {
     unless ref $accessor eq 'CODE';
 
   my $meta = $class->Class::MOP::Object::meta();
-  my $immutable_options;
-  if( $meta->is_immutable ){
-    $immutable_options = $meta->get_immutable_options;
-    $meta->make_mutable;
-  }
+  confess "${class}'s metaclass is not a Class::MOP::Class"
+    unless $meta->isa('Class::MOP::Class');
+
+  my $was_immutable = $meta->is_immutable;
+  $meta->make_mutable if $was_immutable;
+
   my $alias = "_${attribute}_accessor";
   $meta->add_method($alias, $accessor);
   $meta->add_method($attribute, $accessor);
-  if(defined $immutable_options){
-    $meta->make_immutable(%{ $immutable_options });
-  }
+
+  $meta->make_immutable if $was_immutable;
+
   $class->$attribute($_[2]) if(@_ > 2);
   return $accessor;
 }